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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi John,<o:p></o:p></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Please see Inline.<o:p></o:p></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks,<o:p></o:p></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Cathy<o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black"> discuss [<a href="mailto:discuss-bounces@openvswitch.org">mailto:discuss-bounces@openvswitch.org</a>]

<b>On Behalf Of </b>John McDowall<br>

<b>Sent:</b> Wednesday, June 15, 2016 3:51 PM<br>

<b>To:</b> Na Zhu<br>

<b>Cc:</b> Srilatha Tangirala; OpenStack Development Mailing List (not for usage questions); discuss<br>

<b>Subject:</b> Re: [ovs-discuss] [openstack-dev] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">Juno,</span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">Apologies – I see your issue now, also I have got nothing done today – got sucked into an all day meeting. I was thinking very much from a  ovs/ovn perspective

 and also my first prototype was very simple. </span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">So while in networking=sfc/ovn the port-cahin does not have a switch I think port-chain needs a lswitch context as that is where the port-chain table is created.

 Let me try and lay this out. I am not sure if I am getting this right but it is a starting point for discussion and comment by the community.</span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">The first thing is that there could be three different types of VNF’s, L3, L2, and Bump in the Wire (BITW). I am not sure if it would be possible to mix and match

 these different types in a series of port-pair-groups. </span><span style="color:black"><o:p></o:p></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="color:black"><o:p></o:p></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Cathy> A port-pair-group is introduced to group one or more functional like VNFs for load balancing purpose. So we should not mix and match different types

 of VNFs in a port-pair-group.</span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#007F00">JED> Agreed </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif""><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="color:black"><o:p></o:p></span></p>

<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">Also as a first phase I have been trying to remove the need for the VNF to participate in the service chain (or be aware of it). In addition I also wanted to

 remove the need for any “proxy” as documented in the NSH model, by moving a lot of the functionality to the ovn-northd.</span><span style="color:black"><o:p></o:p></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="color:black"><o:p></o:p></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Cathy> VNF should not need to participate in the service chain stitching/forwarding operation. From service chain point of view, the VNFs are just a pair of

 Neutron ports and the OVN control plane ( the OVN Driver, DB, and OVN local controller) should take care of setting the hop-by-hop forwarding path of the chain, similar to how OVS driver and OVS Agent do it.

</span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">Mode 1: BITW</span><span style="color:black"><o:p></o:p></span></p>

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<li class="MsoNormal" style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l2 level1 lfo3">

<span style="font-size:10.5pt;font-family:"Calibri","sans-serif"">Port-Pairs: The logical ports need to be on the same logical switch</span><o:p></o:p></li><li class="MsoNormal" style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l2 level1 lfo3">

<span style="font-size:10.5pt;font-family:"Calibri","sans-serif"">Port-pair-groups: They are made up of sets of port-pairs, until we see the load-balancing proposal for ovs/ovn not sure if port-pairs can be on different logical switches or not. This translates

 to a set of rules in the port-chain table that chains output ports of one VNF to the input port of the next VNF, until the last VNF when the traffic is forwarded to the final destination of the packet. If the port-chain is bi-directional then the rule set

 has to be implemented in reverse (many VNF’s Firewalls, Load Balancers etc need to see both legs of the traffic).</span><o:p></o:p></li><li class="MsoNormal" style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l2 level1 lfo3">

<span style="font-size:10.5pt;font-family:"Calibri","sans-serif"">Flow-classifier: Is a set of rules that are set as an ACL rule with first logical port of the first pair in the first port-pair-group.

</span><o:p></o:p></li></ol>

<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Cathy> Not sure what you mean by “with first logical port of the first pair”. The classification

 attributes/rules for the flow classifier has nothing to do with the first logical port of the first pair in the first port-pair-group. The specification of flow classifier is separated from the specification of the port pair, port pair group, port chain. A

 port chain can be dynamically associated with zero, one, or more flow classifier. Note that the source Neutron port defined in the flow classifier refers to the Neutron port of the source VM, not the Neutron port of the port-pair/VNF. Maybe I misunderstand

 what you mean?</span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>

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<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif";color:#007F00">JED> Yes, I got it wrong the flow-classifier steers the traffic to the first port of the first port-pair-group.  We are in agreement.</span><o:p></o:p></p>

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<p class="MsoNormal"><o:p> </o:p></p>

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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">

<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">Likewise if the port-chain is bi-directional then the rules have to be symmetric to steer the traffic in both directions.</span><span style="color:black"><o:p></o:p></span></p>

<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="color:black"><o:p></o:p></span></p>

<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Cathy> we are adding symmetric support in the API.</span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#007F00">JED> Thought so - great</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif""><o:p></o:p></span></p>

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<li class="MsoNormal" style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l2 level1 lfo3">

<span style="font-size:10.5pt;font-family:"Calibri","sans-serif"">Port-chain: defined on the same logical switch as the first logical-source-port of the flow-classifier, as this is where the port-chain table is created and the rules for traffic steering are

 inserted.</span><o:p></o:p></li></ol>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">Mode 2: L2</span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">I think this would be similar to the BITH case but instead of steering by logical ports the steering would be done by VLAN tags. This would also mean that the

 VNFs would have to be aware of the steering rules and be able to manipulate VLAN tags.</span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="color:black"><o:p></o:p></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Cathy> OVN should program the OVS with

</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">a

</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">proper next hop port and vlan tag so as to steer</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> the packet</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">

 to the next hop VNF properly.</span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><o:p> </o:p></p>

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<p class="MsoNormal"><span style="color:#007F00">JED> For both L2  and L3 mode I see the problem from the VNF POV. When the VNF is supporting L2/L3 mode it is acting on the packets as if it is a switch or a router. It is deciding which output interface to send the

 packet to and how to modify the packet. If we decide that the VNF will always act as a BITW then there is not an issue. Does this make sense?</span><o:p></o:p></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#7030A0">Cathy> I think we can not assume that all VNFs will act as a BITW. Also from a generic service chain design point of view, we need to accommodate different

 types of VNFs (such as L2, L3, BITW) and maybe different flavors of VNF implementations. Since we can not control the behavior of a VNF, what we can do is to design the control plane to program the OVS’s flow table, properly modify the packet’s source and

 destination header so that the packet will be properly forwarded to the next hop. Need some good thought on the approach that works for all situations</span><span style="font-size:11.0pt;font-family:Wingdings;color:#7030A0">J</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#7030A0"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">Mode 3: L3</span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">This would require the VNF’s to be aware of the routing rules and set static routes/net hop rules for each step in the service chain. </span><span style="color:black"><o:p></o:p></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="color:black"><o:p></o:p></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Cathy>Same thing. I think we should try to see what the OVN driver, Controller can do to set up the hop rules instead of requiring VNF to set the rules.</span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="color:#007F00">JED> But would need to set the next hop rules on the VNF too, if it is acting as routing aware.</span><span style="color:#1F497D"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">Modes 2 & 3 would require a much more sophisticated control plane to program both OVN and the VNFs.</span><span style="color:black"><o:p></o:p></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="color:black"><o:p></o:p></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Cathy> Yes, agree that it needs quite some thought on how the control plane should program the data forwarding path.

</span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="color:#007F00">JED> Agreed</span><o:p></o:p></p>

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<p class="MsoNormal"><o:p> </o:p></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">Thoughts?</span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">John</span><span style="color:black"><o:p></o:p></span></p>

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<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">

<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">From:

</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">Na Zhu <<a href="mailto:nazhu@cn.ibm.com">nazhu@cn.ibm.com</a>><br>

<b>Date: </b>Tuesday, June 14, 2016 at 9:41 PM<br>

<b>To: </b>John McDowall <<a href="mailto:jmcdowall@paloaltonetworks.com">jmcdowall@paloaltonetworks.com</a>><br>

<b>Cc: </b>discuss <<a href="mailto:discuss@openvswitch.org">discuss@openvswitch.org</a>>, "OpenStack Development Mailing List (not for usage questions)" <<a href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>>, Srilatha Tangirala

 <<a href="mailto:srilatta@us.ibm.com">srilatta@us.ibm.com</a>><br>

<b>Subject: </b>Re: [openstack-dev] [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="color:black"><o:p></o:p></span></p>

</div>

<div>

<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span><span style="color:black"><o:p></o:p></span></p>

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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">John,</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

<br>

</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">I am not taking about your script.</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">I am talking about the SFC configuration in neutron, the steps are

</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">1, create flow-classifer<br>

2, create port-pairs<br>

3, create port-pair-group with port-pairs<br>

4, create port-chain with flow-classifer and port-pair-groups</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

<br>

</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">So when create port-chain in neutron, the networking-sfc ovn driver call networking-ovn idl APIs to write port-chain parameters to northbound db,</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">you can see that the port-chain is not related with network, so how to get the lswitch in ovn driver and then write port-chain to lswitch table?<br>

<br>

<br>

<br>

<br>

Regards,<br>

Juno Zhu<br>

IBM China Development Labs (CDL) Cloud IaaS Lab<br>

Email: <a href="mailto:nazhu@cn.ibm.com">nazhu@cn.ibm.com</a><br>

5F, Building 10, 399 Keyuan Road, Zhangjiang Hi-Tech Park, Pudong New District, Shanghai, China (201203)</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

<br>

<br>

<br>

</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F">From:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">John McDowall <<a href="mailto:jmcdowall@paloaltonetworks.com">jmcdowall@paloaltonetworks.com</a>></span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F">To:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Na Zhu/China/IBM@IBMCN</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F">Cc:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">discuss <<a href="mailto:discuss@openvswitch.org">discuss@openvswitch.org</a>>,

 "OpenStack Development Mailing List (not for usage questions)" <<a href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>>, "Srilatha Tangirala" <<a href="mailto:srilatta@us.ibm.com">srilatta@us.ibm.com</a>></span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F">Date:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">2016/06/15 11:53</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F">Subject:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Re: [openstack-dev] [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC

 andOVN</span><span style="color:black"><o:p></o:p></span></p>

<div class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">

<hr size="2" width="100%" noshade="" style="color:#A0A0A0" align="center">

</span></div>

<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

<br>

<br>

</span><span style="font-family:"Calibri","sans-serif";color:black">Juno,</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

<br>

</span><span style="font-family:"Calibri","sans-serif";color:black">Little different - the script I sent:</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

<br>

</span><span style="font-family:"Calibri","sans-serif";color:black">Create port-chain attached to a switch</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

</span><span style="font-family:"Calibri","sans-serif";color:black">Create a port-pair in a switch</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

</span><span style="font-family:"Calibri","sans-serif";color:black">Create a port-pair-chain attached to port-chain</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

</span><span style="font-family:"Calibri","sans-serif";color:black">Add a port-pair to port-pair-group</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

</span><span style="font-family:"Calibri","sans-serif";color:black">Create a flow-classifier added to a port-chain

</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

</span><span style="font-family:"Calibri","sans-serif";color:black">Should have a fully functional port-chain</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

<br>

</span><span style="font-family:"Calibri","sans-serif";color:black">I will add the code to steer traffic tomorrow

</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

<br>

</span><span style="font-family:"Calibri","sans-serif";color:black">Regards</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

<br>

</span><span style="font-family:"Calibri","sans-serif";color:black">John</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

<br>

<br>

</span><span style="font-family:"Calibri","sans-serif";color:black"><br>

Sent from my iPhone</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

</span><span style="font-family:"Calibri","sans-serif";color:black"><br>

On Jun 14, 2016, at 8:41 PM, Na Zhu <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:12.0pt">nazhu@cn.ibm.com</span></a></span><span style="font-family:"Calibri","sans-serif";color:black">>

 wrote:<br>

</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>

</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">John,</span><span style="font-family:"Calibri","sans-serif";color:black"><br>

</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

Here is the steps to configure sfc,<br>

1, create flow-classifer<br>

2, create port-pairs<br>

3, create port-pair-group with port-pairs<br>

4, create port-chain with flow-classifer and port-pair-groups</span><span style="font-family:"Calibri","sans-serif";color:black"><br>

</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

You can see that the port-chain is not related to network, my question is how to get the lswitch for networking-sfc and write it to database?

<br>

<br>

<br>

<br>

Regards,<br>

Juno Zhu<br>

IBM China Development Labs (CDL) Cloud IaaS Lab<br>

Email: </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

5F, Building 10, 399 Keyuan Road, Zhangjiang Hi-Tech Park, Pudong New District, Shanghai, China (201203)</span><span style="font-family:"Calibri","sans-serif";color:black"><br>

<br>

<br>

</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

From:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

To:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Na Zhu/China/IBM@IBMCN</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Cc:        <span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">discuss <<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</a><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "OpenStack Development Mailing List (not for usage questions)" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "Srilatha Tangirala" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">srilatta@us.ibm.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Date:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">2016/06/15 11:31</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Subject:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Re: [openstack-dev] [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="color:black"><o:p></o:p></span></p>

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<hr size="2" width="100%" noshade="" style="color:#A0A0A0" align="center">

</span></div>

<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif";color:black"><br>

<br>

<br>

Juno,<br>

<br>

It is a container for port-pair-groups and flow-classifier. I imagine there could be more the than one port-chain per switch. Also we may want to extend the model beyond a single lswitch

<br>

<br>

Regards<br>

<br>

John<br>

<br>

Sent from my iPhone<br>

<br>

On Jun 14, 2016, at 8:09 PM, Na Zhu <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:12.0pt">nazhu@cn.ibm.com</span></a></span><span style="font-family:"Calibri","sans-serif";color:black">>

 wrote:<br>

</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

Hi John,<br>

<br>

Another question, I think port-chain is irrelevant with lswitch, one port-chain includes multiple port-pair-groups and one flow-classifier, how to get the lswitch by port-chain?<br>

<br>

<br>

<br>

<br>

Regards,<br>

Juno Zhu<br>

IBM China Development Labs (CDL) Cloud IaaS Lab<br>

Email: </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

5F, Building 10, 399 Keyuan Road, Zhangjiang Hi-Tech Park, Pudong New District, Shanghai, China (201203)</span><span style="font-family:"Calibri","sans-serif";color:black"><br>

<br>

</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

<br>

From:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

To:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Na Zhu/China/IBM@IBMCN</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Cc:        <span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">discuss <<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</a><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "OpenStack Development Mailing List (not for usage questions)" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "Srilatha Tangirala" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">srilatta@us.ibm.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Date:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">2016/06/15 11:04</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Subject:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Re: [openstack-dev] [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="color:black"><o:p></o:p></span></p>

<div class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">

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<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif";color:black"><br>

<br>

<br>

The reason I did that was to be able to create reusable VNF's<br>

<br>

Regards<br>

<br>

John<br>

<br>

Sent from my iPhone<br>

<br>

On Jun 14, 2016, at 7:15 PM, Na Zhu <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:12.0pt">nazhu@cn.ibm.com</span></a></span><span style="font-family:"Calibri","sans-serif";color:black">>

 wrote:</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

<br>

John,<br>

<br>

Since you have port-chain as child of lswitch, do you need port-pairs as child of lswitch any more?<br>

<br>

<br>

<br>

<br>

<br>

Regards,<br>

Juno Zhu<br>

IBM China Development Labs (CDL) Cloud IaaS Lab<br>

Email: </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

5F, Building 10, 399 Keyuan Road, Zhangjiang Hi-Tech Park, Pudong New District, Shanghai, China (201203)</span><span style="font-family:"Calibri","sans-serif";color:black"><br>

</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

<br>

<br>

From:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Na Zhu/China/IBM</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

To:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Cc:        <span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">discuss <<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</a><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "OpenStack Development Mailing List (not for usage questions)" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "Srilatha Tangirala" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">srilatta@us.ibm.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Date:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">2016/06/15 09:11</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Subject:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Re: [openstack-dev] [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="color:black"><o:p></o:p></span></p>

<div class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">

<hr size="2" width="100%" noshade="" style="color:#A0A0A0" align="center">

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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

<br>

John,<br>

<br>

OK, I will change networking-ovn IDL to align with the new schema.<br>

<br>

<br>

<br>

<br>

Regards,<br>

Juno Zhu<br>

IBM China Development Labs (CDL) Cloud IaaS Lab<br>

Email: </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

5F, Building 10, 399 Keyuan Road, Zhangjiang Hi-Tech Park, Pudong New District, Shanghai, China (201203)</span><span style="font-family:"Calibri","sans-serif";color:black"><br>

<br>

</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

<br>

<br>

From:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

To:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Na Zhu/China/IBM@IBMCN</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Cc:        <span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">discuss <<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</a><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "OpenStack Development Mailing List (not for usage questions)" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "Srilatha Tangirala" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">srilatta@us.ibm.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Date:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">2016/06/15 08:30</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Subject:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Re: [openstack-dev] [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="color:black"><o:p></o:p></span></p>

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</span></div>

<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black"><br>

<br>

<br>

Juno,<br>

<br>

I worked on ovs/ovn today and re-structured the schema. I could not figure out how to make this work without have lport-chains as a child of lswitch. So I have got the basics working – attached a simple shell script that creates and shows the port-chains. I

 tried to merge with the upstream master but there are a bunch of changes that while minor would have taken sometime to merge in, so I skipped it for now.<br>

<br>

The new schema will break the networking-ovn IDL, apologies.  The areas I can think of are:<br>

<br>

Port-chain is now a child of lswitch so needs that as a parameter.<br>

Flow-classifier is now a child of port-chain only so need to change from lswitch to lport-chain<br>

<br>

If you can work on the changes to networking-ovn great (I promise not to change the schema again until we have had a wider review). If not I will get to it tomorrow.

<br>

<br>

Regards<br>

<br>

John<b><br>

<br>

From: </b>Na Zhu <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Date: </b>Monday, June 13, 2016 at 9:57 PM<b><br>

To: </b>John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Cc: discuss <<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</a><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 "OpenStack Development Mailing List (not for usage questions)" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:10.0pt">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Srilatha Tangirala <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:10.0pt">srilatta@us.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Subject: </b>Re: [openstack-dev] [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

<br>

Hi John,<br>

<br>

OK, I also find the column "port_pairs" and "flow_classifiers" can not be wrote by idl APIs, I will try to fix it.<br>

If any update, i will send you email.<br>

<br>

<br>

<br>

Regards,<br>

Juno Zhu<br>

IBM China Development Labs (CDL) Cloud IaaS Lab<br>

Email: </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

5F, Building 10, 399 Keyuan Road, Zhangjiang Hi-Tech Park, Pudong New District, Shanghai, China (201203)</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

<br>

<br>

<br>

From:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

To:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Na Zhu/China/IBM@IBMCN</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Cc:        <span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">"OpenStack Development Mailing List (not for usage questions)" <<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">openstack-dev@lists.openstack.org</a><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 discuss <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 Srilatha Tangirala <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">srilatta@us.ibm.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Date:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">2016/06/14 12:17</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Subject:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Re: [openstack-dev] [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="color:black"><o:p></o:p></span></p>

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<hr size="2" width="100%" noshade="" style="color:#A0A0A0" align="center">

</span></div>

<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif";color:black"><br>

<br>

<br>

Juno,<br>

<br>

Trying to implement this today showed that this will not work for OVN. I am going back to RussellB 's original model with port-chain as a child of lswitch.

<br>

<br>

I can make this work and then we can evolve from there. It will require some re-write of the idl code - hopefully I will get it done tomorrow.<br>

<br>

Regards<br>

<br>

John<br>

<br>

Sent from my iPhone<br>

<br>

On Jun 13, 2016, at 8:41 PM, Na Zhu <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:12.0pt">nazhu@cn.ibm.com</span></a></span><span style="font-family:"Calibri","sans-serif";color:black">>

 wrote:</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

<br>

Hi John,<br>

<br>

I see you add column "port_pairs" and "flow_classifiers" to table Logical_Switch, I am not clear about it, the port-pair ingress port and egress port can be the same, they also can be different and in same/different network, and the flow classifier is not per

 network neither, can you explain why you do that?<br>

<br>

<br>

<br>

<br>

Regards,<br>

Juno Zhu<br>

IBM China Development Labs (CDL) Cloud IaaS Lab<br>

Email: </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

5F, Building 10, 399 Keyuan Road, Zhangjiang Hi-Tech Park, Pudong New District, Shanghai, China (201203)</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

<br>

<br>

<br>

From:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Na Zhu/China/IBM@IBMCN</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

To:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Cc:        <span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Srilatha Tangirala <<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">srilatta@us.ibm.com</a><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "OpenStack Development Mailing List \(not for usage questions\)" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 discuss <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Date:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">2016/06/14 10:44</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Subject:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Re: [openstack-dev] [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="color:black"><o:p></o:p></span></p>

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<br>

<br>

Hi John,<br>

<br>

My github account is JunoZhu, pls add me as member of your private repo.<br>

If you submit WIP patch today, then i can update your WIP patch, no need to update your private repo.<br>

If not, i will update your private repo.<br>

<br>

Thanks.<br>

<br>

<br>

<br>

Regards,<br>

Juno Zhu<br>

IBM China Development Labs (CDL) Cloud IaaS Lab<br>

Email: </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

5F, Building 10, 399 Keyuan Road, Zhangjiang Hi-Tech Park, Pudong New District, Shanghai, China (201203)</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

<br>

<br>

<br>

From:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

To:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Na Zhu/China/IBM@IBMCN</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Cc:        <span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">discuss <<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</a><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 Srilatha Tangirala <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">srilatta@us.ibm.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "OpenStack Development Mailing List (not for usage questions)" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Date:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">2016/06/13 23:55</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Subject:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Re: [openstack-dev] [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="color:black"><o:p></o:p></span></p>

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<br>

<br>

Juno,<br>

<br>

What ever is easiest for you – I can submit WIP patches today for networking-ovn and networking-ovs. If you send me your github login I will add you as a collaborator to my private repo.

<br>

<br>

I am currently working on getting the changes into ovs/ovn ovn-northd.c to support the new schema – hopefully today or tomorrow. Most of the IDL is in and I can get info from networking-sfc to ovs/ovn northd.<br>

<br>

Regards<br>

<br>

John<b><br>

From: </b>Na Zhu <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Date: </b>Monday, June 13, 2016 at 6:25 AM<b><br>

To: </b>John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Cc: discuss <<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</a><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Srilatha Tangirala <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:10.0pt">srilatta@us.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 "OpenStack Development Mailing List (not for usage questions)" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:10.0pt">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Subject: </b>Re: [openstack-dev] [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

<br>

Hi John,<br>

<br>

I know you are busy recently, sorry to disturb you. I want to ask you whether I can submit patch to your private repo, I test your code changes and find some minor errors, I think we can work together to make the debug work done faster, then you can submit

 the WIP patch.<br>

<br>

What do you think? <br>

<br>

<br>

<br>

<br>

Regards,<br>

Juno Zhu<br>

IBM China Development Labs (CDL) Cloud IaaS Lab<br>

Email: </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

5F, Building 10, 399 Keyuan Road, Zhangjiang Hi-Tech Park, Pudong New District, Shanghai, China (201203)</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

<br>

<br>

<br>

From:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Na Zhu/China/IBM@IBMCN</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

To:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Cc:        <span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Srilatha Tangirala <<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">srilatta@us.ibm.com</a><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "OpenStack Development Mailing List \(not for usage questions\)" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 discuss <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Date:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">2016/06/09 16:18</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Subject:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Re: [openstack-dev] [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="color:black"><o:p></o:p></span></p>

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<br>

<br>

Hi John,<br>

<br>

I know most of the OVN driver codes are copied from OVS driver, OVN driver is different from OVS driver. For OVS driver, it should build the sfc flows and send to ovs agent, while OVN controller does not need to do it, OVN controller only need send the sfc

 parameters to OVN northbound DB, then ovn-controller can build the sfc flow.<br>

<br>

networking-sfc defines some common APIs for each driver, see networking_sfc/services/sfc/drivers/base.py, I think for OVN, we only need write the methods about port-chain create/update/delete, and leave other method empty, What do you think?

<br>

If you agree with me, you have to refactor the OVN sfc driver, do you want me to do it?<br>

<br>

<br>

<br>

Regards,<br>

Juno Zhu<br>

IBM China Development Labs (CDL) Cloud IaaS Lab<br>

Email: </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

5F, Building 10, 399 Keyuan Road, Zhangjiang Hi-Tech Park, Pudong New District, Shanghai, China (201203)</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

<br>

<br>

<br>

From:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

To:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Amitabha Biswas <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:azbiswas@gmail.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">azbiswas@gmail.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Cc:        <span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Na Zhu/China/IBM@IBMCN, Srilatha Tangirala <<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">srilatta@us.ibm.com</a><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "OpenStack Development Mailing List (not for usage questions)" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 discuss <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Date:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">2016/06/09 00:53</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Subject:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Re: [ovs-discuss] [openstack-dev] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="color:black"><o:p></o:p></span></p>

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<br>

<br>

Amitabha,<br>

<br>

Thanks for looking at it . I took the suggestion from Juno and implemented it. I think it is a good solution as it minimizes impact on both networking-ovn and networking-sfc. I have updated my repos, if you have suggestions for improvements let me know.<br>

<br>

I agree that there needs to be some refactoring of the networking-sfc driver code. I think the team did a good job with it as it was easy for me to create the OVN driver ( copy and paste). As more drivers are created I think the model will get polished and

 refactored.<br>

<br>

Regards<br>

<br>

John<b><br>

<br>

From: </b>Amitabha Biswas <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:azbiswas@gmail.com"><span style="font-size:10.0pt">azbiswas@gmail.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Date: </b>Tuesday, June 7, 2016 at 11:36 PM<b><br>

To: </b>John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Cc: Na Zhu <<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt">nazhu@cn.ibm.com</a><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Srilatha Tangirala <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:10.0pt">srilatta@us.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 "OpenStack Development Mailing List (not for usage questions)" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:10.0pt">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 discuss <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Subject: </b>Re: [ovs-discuss] [openstack-dev] [OVN] [networking-ovn] [networking-sfc] SFC andOVN<br>

<br>

Hi John, <br>

<br>

Looking at the code with Srilatha, it seems like the </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_doonhammer_networking&d=CwMF-g&c=V9IgWpI5PvzTw83UyHGVSoW3Uc1MFWe5J8PTfkrzVSo&r=vZ6VUDaavDpfOdPQrz1ED54jEjvAE36A8TVJroVlrOQ&m=HkxBkhm69SxTBQTw2-s5MvEDiFsrOjXero1F3DeFO88&s=0qATypbGGShogPxjkRq8oKnjHMUvVwiWLAY17gBr6iM&e="><span style="font-size:10.0pt">https://github.com/doonhammer/networking</span></a></span><u><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:blue">-ovn</span></u><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">repo

 has gone down the path of having a sfc_ovn.py file in the networking-ovn/ovsdb directory. This file deals with the SFC specific OVSDB transactions in OVN. So to answer your question of invoking OVS-IDL, we can import the src_ovn.py file from networking_sfc/services/src/drivers/ovn/driver.py

 and invoke calls into IDL.<br>

<br>

Another aspect from a networking-sfc point of view is the duplication of code between networking_sfc/services/src/drivers/ovn/driver.py and networking_sfc/services/src/drivers/ovs/driver.py in the

<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_doonhammer_networking-2Dsfc&d=CwMF-g&c=V9IgWpI5PvzTw83UyHGVSoW3Uc1MFWe5J8PTfkrzVSo&r=vZ6VUDaavDpfOdPQrz1ED54jEjvAE36A8TVJroVlrOQ&m=HkxBkhm69SxTBQTw2-s5MvEDiFsrOjXero1F3DeFO88&s=8ftwwsdvSwYTc3WSmDDad9L9dwV6CwaIuOwtoN5FwqA&e="><span style="font-size:10.0pt">https://github.com/doonhammer/networking-sfc</a><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">repo.

 There should be a mechanism to coalesce the common code and invoke the OVS and OVN specific parts separately.<br>

<br>

Regards<br>

Amitabha<br>

<br>

On Jun 7, 2016, at 9:54 PM, John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>

 wrote:<br>

<br>

Juno, Srilatha,<br>

<br>

I need some help – I have fixed most of the obvious typo’s in the three repos and merged them with mainline. There is still a problem with the build I think in mech_driver.py but I will fix it asap in the am.<br>

<br>

However I am not sure of the best way to interface between sfc and ovn.<br>

<br>

In networking_sfc/services/src/drivers/ovn/driver.py there is a function that creates a deep copy of the port-chain dict, create_port_chain(self,contact,port_chain).

<br>

<br>

Looking at networking-ovn I think it should use mech_driver.py so we can call the OVS-IDL to send the parameters to ovn. However I am not sure of the best way to do it. Could you make some suggestions or send me some sample code showing the best approach?<br>

<br>

I will get the ovs/ovn cleaned up and ready. Also Louis from the networking-sfc has posted a draft blueprint.<br>

<br>

Regards<br>

<br>

John<b><br>

<br>

From: </b>Na Zhu <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Date: </b>Monday, June 6, 2016 at 7:54 PM<b><br>

To: John McDowall <<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</a><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Ryan Moats <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:rmoats@us.ibm.com"><span style="font-size:10.0pt">rmoats@us.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Cc: </b>"</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">"

 <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 "OpenStack Development Mailing List (not for usage questions)" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:10.0pt">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Srilatha Tangirala <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:10.0pt">srilatta@us.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Subject: </b>Re: [openstack-dev] [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

<br>

Hi John,<br>

<br>

I do not know any better approach, I think it is good to write all the parameters in the creation of a port chain, this can avoid saving many data in northbound db which are not used. We can do it in that way currently, if the community has opposite ideas,

 we can change, what do you think?<br>

<br>

Hi Ryan,<br>

<br>

Do you agree with that?<br>

<br>

<br>

<br>

Regards,<br>

Juno Zhu<br>

IBM China Development Labs (CDL) Cloud IaaS Lab<br>

Email: </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

5F, Building 10, 399 Keyuan Road, Zhangjiang Hi-Tech Park, Pudong New District, Shanghai, China (201203)</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

<br>

<br>

<br>

From:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

To:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Na Zhu/China/IBM@IBMCN</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Cc:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">"</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">"

 <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 Ryan Moats <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:rmoats@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">rmoats@us.ibm.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 Srilatha Tangirala <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">srilatta@us.ibm.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "OpenStack Development Mailing List (not for usage questions)" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Date:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">2016/06/06 23:36</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Subject:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Re: [openstack-dev] [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="color:black"><o:p></o:p></span></p>

<div class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">

<hr size="2" width="100%" noshade="" style="color:#A0A0A0" align="center">

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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black"><br>

<br>

<br>

Juno,<br>

<br>

Let me check – my intention was that the networking-sfc OVNB driver would configure all aspects of the port-chain and add the parameters to the networking-sfc db. Once all the parameters were in the creation of a port-chain would call networking-ovn (passing

 a deep copy of the port-chain dict). Here I see networking-ovn acting only as a bridge into ovs/ovn (I did not add anything in the ovn plugin – not sure if that is the right approach). Networking-ovn calls into ovs/ovn and inserts the entire port-chain.<br>

<br>

Thoughts?<br>

<br>

j<b><br>

<br>

From: </b>Na Zhu <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Date: </b>Monday, June 6, 2016 at 5:49 AM<b><br>

To: </b>John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Cc: </b>"</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">"

 <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Ryan Moats <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:rmoats@us.ibm.com"><span style="font-size:10.0pt">rmoats@us.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Srilatha Tangirala <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:10.0pt">srilatta@us.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 "OpenStack Development Mailing List (not for usage questions)" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:10.0pt">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Subject: </b>Re: [openstack-dev] [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

<br>

Hi John,<br>

<br>

One question need confirm with you, I think the ovn flow classifier driver and ovn port chain driver should call the APIs which you add to networking-ovn to configure the northbound db sfc tables, right? I see your networking-sfc ovn drivers, they does not

 call the APIs you add to networking-ovn, do you miss that?<br>

<br>

<br>

<br>

Regards,<br>

Juno Zhu<br>

IBM China Development Labs (CDL) Cloud IaaS Lab<br>

Email: </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

5F, Building 10, 399 Keyuan Road, Zhangjiang Hi-Tech Park, Pudong New District, Shanghai, China (201203)</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

<br>

<br>

<br>

From:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Na Zhu/China/IBM@IBMCN</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

To:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Cc:        <span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Srilatha Tangirala <<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">srilatta@us.ibm.com</a><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 OpenStack Development Mailing List <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 Ryan Moats <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:rmoats@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">rmoats@us.ibm.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">"

 <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Date:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">2016/06/06 14:28</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Subject:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Re: [openstack-dev] [ovs-discuss] [OVN] [networking-ovn]        [networking-sfc] SFC andOVN</span><span style="color:black"><o:p></o:p></span></p>

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</span></div>

<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

<br>

<br>

John,<br>

<br>

Thanks your working overtime in last weekend, now we have the following works to do:<br>

1, submit design spec to networking-sfc<br>

2, submit the RFC to ovs community<br>

3, debug end-to-end about your code changes.<br>

4, submit the initial patch to networking-sfc<br>

5, submit the initial patch to ovs community<br>

6, submit the initial patch to networking-ovn <br>

<br>

Do you have plan to start #1 and #2 now? I think it can be done in parallel with the other tasks.<br>

Srilatha and I can start #4 and #6, we need to look at your code changes and write the unit test scripts for your code changes and then submit to community, what do you think?<br>

<br>

<br>

<br>

<br>

Regards,<br>

Juno Zhu<br>

IBM China Development Labs (CDL) Cloud IaaS Lab<br>

Email: </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

5F, Building 10, 399 Keyuan Road, Zhangjiang Hi-Tech Park, Pudong New District, Shanghai, China (201203)</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

<br>

<br>

<br>

From:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

To:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Na Zhu/China/IBM@IBMCN</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Cc:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">"</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">"

 <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "OpenStack Development Mailing List" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 Ryan Moats <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:rmoats@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">rmoats@us.ibm.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 Srilatha Tangirala <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">srilatta@us.ibm.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Date:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">2016/06/06 11:35</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Subject:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Re: [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="color:black"><o:p></o:p></span></p>

<div class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">

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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black"><br>

<br>

<br>

Juno and team,<br>

<br>

I have written and compiled (but not tested ) the ovs/ovn interface to networking-ovn and similarly I have written but not tested the IDL interfaces on the networking-ovn side. I will put it all together tomorrow and start debugging end to end. I know I am

 going to find a lot of issues as it is a major rewrite from my original interface to networking-sfc – it is the right path (IMHO) just a little more work than I expected.<br>

<br>

I have merged my repos with the upstream masters and I will keep them sync’ed so if you want to take a look and start thinking where you can help it would be really appreciated.<br>

<br>

Regards<br>

<br>

John<b><br>

<br>

From: </b>Na Zhu <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Date: </b>Saturday, June 4, 2016 at 6:30 AM<b><br>

To: </b>John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Cc: </b>"</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">"

 <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 OpenStack Development Mailing List <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:10.0pt">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Ryan Moats <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:rmoats@us.ibm.com"><span style="font-size:10.0pt">rmoats@us.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Srilatha Tangirala <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:10.0pt">srilatta@us.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Subject: </b>Re: [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

<br>

Hi John,<br>

<br>

OK, please keep me posted once you done, thanks very much.<br>

<br>

<br>

<br>

<br>

Regards,<br>

Juno Zhu<br>

IBM China Development Labs (CDL) Cloud IaaS Lab<br>

Email: </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

5F, Building 10, 399 Keyuan Road, Zhangjiang Hi-Tech Park, Pudong New District, Shanghai, China (201203)</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

<br>

<br>

<br>

From:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

To:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Na Zhu/China/IBM@IBMCN</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Cc:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">"</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">"

 <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "OpenStack Development Mailing List" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 Ryan Moats <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:rmoats@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">rmoats@us.ibm.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 Srilatha Tangirala <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">srilatta@us.ibm.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Date:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">2016/06/03 13:15</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Subject:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Re: [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="color:black"><o:p></o:p></span></p>

<div class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">

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<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif";color:black"><br>

<br>

<br>

Juno <br>

<br>

Whatever gets it done faster- let me get the three repos aligned. I need to get the ovs/ovn work done so networking-ovn can call it, and the networking-sfc can call networking-ovn.<br>

<br>

Hopefully I will have it done tomorrow or over the weekend - let's touch base Monday or Sunday night.<br>

<br>

Regards <br>

<br>

John<br>

<br>

Sent from my iPhone<br>

<br>

On Jun 2, 2016, at 6:30 PM, Na Zhu <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:12.0pt">nazhu@cn.ibm.com</span></a></span><span style="font-family:"Calibri","sans-serif";color:black">>

 wrote:</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

<br>

Hi John,<br>

<br>

I agree with submitting WIP patches to community, because you already did many works on networking-sfc and networking-ovn, it is better that you submit the initial patches about networking-sfc and networking-ovn, then me and Srilatha take over the patches.

 Do you have time to do it? if not, me and Srilatha can help to do it and you are always the co-author.<br>

<br>

<br>

<br>

<br>

Regards,<br>

Juno Zhu<br>

IBM China Development Labs (CDL) Cloud IaaS Lab<br>

Email: </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

5F, Building 10, 399 Keyuan Road, Zhangjiang Hi-Tech Park, Pudong New District, Shanghai, China (201203)</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

<br>

<br>

<br>

From:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

To:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Na Zhu/China/IBM@IBMCN</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Cc:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">"</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">"

 <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "OpenStack Development Mailing List" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 Ryan Moats <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:rmoats@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">rmoats@us.ibm.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 Srilatha Tangirala <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">srilatta@us.ibm.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Date:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">2016/06/03 00:08</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Subject:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Re: [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="color:black"><o:p></o:p></span></p>

<div class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">

<hr size="2" width="100%" noshade="" style="color:#A0A0A0" align="center">

</span></div>

<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black"><br>

<br>

<br>

Juno,<br>

<br>

Sure make sense. I will have ovs/ovn in rough shape by end of week (hopefully) that will allow you to call the interfaces from networking-ovn. Ryan has asked that we submit WIP patches etc so hopefully that will kickstart the review process.<br>

Also, hopefully some of the networking-sfc team will also be able to help – I will let them speak for themselves.<br>

<br>

Regards<br>

<br>

John<b><br>

<br>

From: </b>Na Zhu <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Date: </b>Wednesday, June 1, 2016 at 7:02 PM<b><br>

To: </b>John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Cc: </b>"</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">"

 <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 OpenStack Development Mailing List <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:10.0pt">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Ryan Moats <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:rmoats@us.ibm.com"><span style="font-size:10.0pt">rmoats@us.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Srilatha Tangirala <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:10.0pt">srilatta@us.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Subject: </b>Re: [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

<br>

Hi John,<br>

<br>

Thanks your reply.<br>

<br>

Seems you have covered everything :)<br>

The development work can be broken down in 3 parts:<br>

1, add ovn driver to networking-sfc<br>

2, provide APIs in networking-ovn for networking-sfc <br>

3, implement the sfc in ovn<br>

<br>

So what about we take part 1 and part 2, and you take part 3? because we are familiar with networking-sfc and networking-ovn and we can do it faster:)<br>

<br>

<br>

<br>

<br>

<br>

Regards,<br>

Juno Zhu<br>

IBM China Development Labs (CDL) Cloud IaaS Lab<br>

Email: </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

5F, Building 10, 399 Keyuan Road, Zhangjiang Hi-Tech Park, Pudong New District, Shanghai, China (201203)</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

<br>

<br>

<br>

From:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

To:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Na Zhu/China/IBM@IBMCN</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Cc:        <span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Ryan Moats <<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:rmoats@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">rmoats@us.ibm.com</a><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 OpenStack Development Mailing List <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">"

 <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 Srilatha Tangirala <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">srilatta@us.ibm.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Date:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">2016/06/01 23:26</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Subject:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Re: [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="color:black"><o:p></o:p></span></p>

<div class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">

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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black"><br>

<br>

<br>

Na/Srilatha,<br>

<br>

Great, I am working from three repos:</span><u><span style="font-family:"Calibri","sans-serif";color:blue"><br>

<br>

</span></u><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_doonhammer_networking-2Dsfc&d=CwMFoQ&c=V9IgWpI5PvzTw83UyHGVSoW3Uc1MFWe5J8PTfkrzVSo&r=vZ6VUDaavDpfOdPQrz1ED54jEjvAE36A8TVJroVlrOQ&m=lb7sZo6o-vFSQLHy4n1Z15SjFlZHXBjYRDDXk9di20M&s=-ddZLbnKqv3LwRqTTveuebbVLL9e2A1xRCQBQO--nc0&e="><span style="font-size:10.0pt">https://github.com/doonhammer/networking-sfc</span></a></span><u><span style="font-family:"Calibri","sans-serif";color:blue"><br>

</span></u><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_doonhammer_networking-2Dovn&d=CwMFoQ&c=V9IgWpI5PvzTw83UyHGVSoW3Uc1MFWe5J8PTfkrzVSo&r=vZ6VUDaavDpfOdPQrz1ED54jEjvAE36A8TVJroVlrOQ&m=lb7sZo6o-vFSQLHy4n1Z15SjFlZHXBjYRDDXk9di20M&s=4XnntcfVxo4fQdni-WOsfqIeRA0x8jagW77y_XgPyUQ&e="><span style="font-size:10.0pt">https://github.com/doonhammer/networking-ovn</span></a></span><u><span style="font-family:"Calibri","sans-serif";color:blue"><br>

</span></u><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_doonhammer_ovs&d=CwMFoQ&c=V9IgWpI5PvzTw83UyHGVSoW3Uc1MFWe5J8PTfkrzVSo&r=vZ6VUDaavDpfOdPQrz1ED54jEjvAE36A8TVJroVlrOQ&m=lb7sZo6o-vFSQLHy4n1Z15SjFlZHXBjYRDDXk9di20M&s=vPrUbDdQZ1mIswNv5U8VorIkCU_J5Aze8xGz5DLn_s8&e="><span style="font-size:10.0pt">https://github.com/doonhammer/ovs</span></a></span><span style="font-family:"Calibri","sans-serif";color:black"><br>

<br>

I had an original prototype working that used an API I created. Since then, based on feedback from everyone I have been moving the API to the networking-sfc model and then supporting that API in networking-ovn and ovs/ovn. I have created a new driver in networking-sfc

 for ovn.</span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black"><br>

<br>

I am in the process of moving networking-ovn and ovs to support the sfc model. Basically I am intending to pass a deep copy of the port-chain (sample attached, sfc_dict.py) from the ovn driver in networking-sfc to networking-ovn.  This , as Ryan pointed out

 will minimize the dependancies between networking-sfc and networking-ovn. I have created additional schema for ovs/ovn (attached) that will provide the linkage between networking-ovn and ovs/ovn. I have the schema in ovs/ovn and I am in the process of  updating

 my code to support it.<br>

<br>

Not sure where you guys want to jump in – but I can help in any way you need.<br>

<br>

Regards<br>

<br>

John<b><br>

<br>

From: </b>Na Zhu <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Date: </b>Tuesday, May 31, 2016 at 9:02 PM<b><br>

To: </b>John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Cc: Ryan Moats <<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:rmoats@us.ibm.com"><span style="font-size:10.0pt">rmoats@us.ibm.com</a><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 OpenStack Development Mailing List <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:10.0pt">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 "</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">"

 <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Srilatha Tangirala <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:10.0pt">srilatta@us.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Subject: </b>Re: [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC andOVN</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

<br>

+ Add Srilatha.<br>

<br>

<br>

<br>

Regards,<br>

Juno Zhu<br>

IBM China Development Labs (CDL) Cloud IaaS Lab<br>

Email: </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

5F, Building 10, 399 Keyuan Road, Zhangjiang Hi-Tech Park, Pudong New District, Shanghai, China (201203)</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

<br>

<br>

<br>

From:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Na Zhu/China/IBM</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

To:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Cc:        <span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Ryan Moats <<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:rmoats@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">rmoats@us.ibm.com</a><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 OpenStack Development Mailing List <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">"

 <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Date:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">2016/06/01 12:01</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Subject:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Re: [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC and        OVN</span><span style="color:black"><o:p></o:p></span></p>

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</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

John,<br>

<br>

Thanks.<br>

<br>

Me and Srilatha (</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:srilatta@us.ibm.com"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">srilatta@us.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">)

 want to working together with you, I know you already did some development works.<br>

Can you tell me what you have done and put the latest code in your private repo?<br>

Can we work out a plan and the remaining work?<br>

<br>

<br>

<br>

<br>

Regards,<br>

Juno Zhu<br>

IBM China Development Labs (CDL) Cloud IaaS Lab<br>

Email: </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:nazhu@cn.ibm.com"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">nazhu@cn.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>

5F, Building 10, 399 Keyuan Road, Zhangjiang Hi-Tech Park, Pudong New District, Shanghai, China (201203)</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

<br>

<br>

<br>

<br>

From:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

To:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Ryan Moats <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:rmoats@us.ibm.com"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">rmoats@us.ibm.com</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Cc:        <span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">OpenStack Development Mailing List <<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">openstack-dev@lists.openstack.org</a><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">>,

 "</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">"

 <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Date:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">2016/06/01 08:58</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Subject:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">Re: [ovs-discuss] [OVN] [networking-ovn] [networking-sfc] SFC and        OVN</span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F"><br>

Sent by:        </span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">"discuss" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss-bounces@openvswitch.org"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">discuss-bounces@openvswitch.org</span></a></span><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">></span><span style="color:black"><o:p></o:p></span></p>

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<br>

<br>

Ryan,<br>

<br>

More help is always great :-). As far as who to collaborate, what ever Is easiest for everyone – I am pretty flexible.<br>

<br>

Regards<br>

<br>

John<b><br>

<br>

From: </b>Ryan Moats <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:rmoats@us.ibm.com"><span style="font-size:10.0pt">rmoats@us.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Date: </b>Tuesday, May 31, 2016 at 1:59 PM<b><br>

To: </b>John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Cc: Ben Pfaff <<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:blp@ovn.org"><span style="font-size:10.0pt">blp@ovn.org</a><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 "</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">"

 <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Justin Pettit <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jpettit@ovn.org"><span style="font-size:10.0pt">jpettit@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 OpenStack Development Mailing List <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:10.0pt">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Russell Bryant <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:russell@ovn.org"><span style="font-size:10.0pt">russell@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><b><br>

Subject: </b>Re: [OVN] [networking-ovn] [networking-sfc] SFC and OVN</span><span style="color:black"><o:p></o:p></span></p>

<p><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>

 wrote on 05/31/2016 03:21:30 PM:<br>

<br>

> From: John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> To: Ryan Moats/Omaha/IBM@IBMUS<br>

> Cc: Ben Pfaff <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:blp@ovn.org"><span style="font-size:10.0pt">blp@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 "</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">"

<br>

> <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Justin Pettit <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jpettit@ovn.org"><span style="font-size:10.0pt">jpettit@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

<br>

> "OpenStack Development Mailing List" <openstack-<br>

> </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:dev@lists.openstack.org"><span style="font-size:10.0pt">dev@lists.openstack.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Russell Bryant <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:russell@ovn.org"><span style="font-size:10.0pt">russell@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> Date: 05/31/2016 03:22 PM<br>

> Subject: Re: [OVN] [networking-ovn] [networking-sfc] SFC and OVN<br>

> <br>

> Ryan,<br>

> <br>

> Let me add the tables to OVN for SFC. That will give us a working <br>

> system to prototype the flow classifier approach on. Hopefully I can<br>

> get something done by end of week.<br>

> <br>

> Regards<br>

> <br>

> John<br>

<br>

I've got some internal folks that are willing to help with writing code (as<br>

I will be once I clear my current firefights) so the question of how to<br>

collaborate with code now arises...<br>

<br>

Are you comfortable with putting the changes on r.o.o as WiP and patchworks<br>

as RFC and work through the review process or would you rather work via<br>

forks and pull requests in github?<br>

<br>

Ryan<br>

<br>

> From: Ryan Moats <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:rmoats@us.ibm.com"><span style="font-size:10.0pt">rmoats@us.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> Date: Tuesday, May 31, 2016 at 10:17 AM<br>

> To: John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> Cc: Ben Pfaff <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:blp@ovn.org"><span style="font-size:10.0pt">blp@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 "</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">"

 <<br>

> </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Justin Pettit <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jpettit@ovn.org"><span style="font-size:10.0pt">jpettit@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 OpenStack<br>

> Development Mailing List <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:10.0pt">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Russell Bryant <<br>

> </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:russell@ovn.org"><span style="font-size:10.0pt">russell@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> Subject: Re: [OVN] [networking-ovn] [networking-sfc] SFC and OVN<br>

> <br>

> John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>

 wrote on 05/26/2016 <br>

> 11:08:43 AM:<br>

> <br>

> > From: John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> > To: Ryan Moats/Omaha/IBM@IBMUS<br>

> > Cc: Ben Pfaff <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:blp@ovn.org"><span style="font-size:10.0pt">blp@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 "</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">"

<br>

> > <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Justin Pettit <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jpettit@ovn.org"><span style="font-size:10.0pt">jpettit@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

<br>

> > "OpenStack Development Mailing List" <openstack-<br>

> > </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:dev@lists.openstack.org"><span style="font-size:10.0pt">dev@lists.openstack.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Russell Bryant <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:russell@ovn.org"><span style="font-size:10.0pt">russell@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> > Date: 05/26/2016 11:09 AM<br>

> > Subject: Re: [OVN] [networking-ovn] [networking-sfc] SFC and OVN<br>

> > <br>

> > Ryan,<br>

> > <br>

> > My (incomplete) throughts about the flow-classifier are:<br>

> > <br>

> > 1)  ACL’s are more about denying access, while the flow classifier <br>

> > is more about steering selected traffic to a path, so we would need <br>

> > to deny-all except allowed flows.<br>

> > 2)  The networking-sfc team has done a nice job with the drivers so <br>

> > ovn has its own flow-classifier driver which allows us to align the <br>

> > flow-classifier with the matches supported in ovs/ovn, which could <br>

> > be an advantage.<br>

> <br>

> The ACL table has a very simple flow-classifier structure and I'd<br>

> like to see if that can be re-used for the purpose of the SFC classifier<br>

> (read that I feel the Logical_Flow_Classifier table is too complex).<br>

> My initial thoughts were to look at extending the action column and<br>

> using the external-ids field to differentiate between legacy ACLs and<br>

> those that are used to intercept traffic and route it to an SFC.<br>

> <br>

> > <br>

> > What were your thoughts on the schema it adds a lot of tables and a <br>

> > lot of commands – cannot think of anyway around it<br>

> <br>

> In this case, I think that the other tables are reasonable and I'm <br>

> uncomfortable trying to stretch the existing tables to cover that<br>

> information...<br>

> <br>

> Ryan<br>

> <br>

> > <br>

> > Regards<br>

> > <br>

> > John<br>

> > <br>

> > From: Ryan Moats <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:rmoats@us.ibm.com"><span style="font-size:10.0pt">rmoats@us.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> > Date: Wednesday, May 25, 2016 at 9:12 PM<br>

> > To: John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> > Cc: Ben Pfaff <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:blp@ovn.org"><span style="font-size:10.0pt">blp@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 "</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">"

 <<br>

> > </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Justin Pettit <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jpettit@ovn.org"><span style="font-size:10.0pt">jpettit@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 OpenStack<br>

> > Development Mailing List <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:10.0pt">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

<br>

> Russell Bryant <<br>

> > </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:russell@ovn.org"><span style="font-size:10.0pt">russell@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> > Subject: Re: [OVN] [networking-ovn] [networking-sfc] SFC and OVN<br>

> > <br>

> > John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>

 wrote on 05/25/2016 <br>

> > 07:27:46 PM:<br>

> > <br>

> > > From: John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> > > To: Ryan Moats/Omaha/IBM@IBMUS<br>

> > > Cc: "</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">"

 <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 "OpenStack <br>

> > > Development Mailing List" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:10.0pt">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Ben <br>

> > > Pfaff <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:blp@ovn.org"><span style="font-size:10.0pt">blp@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Justin Pettit <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jpettit@ovn.org"><span style="font-size:10.0pt">jpettit@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Russell Bryant<br>

> > > <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:russell@ovn.org"><span style="font-size:10.0pt">russell@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> > > Date: 05/25/2016 07:28 PM<br>

> > > Subject: Re: [OVN] [networking-ovn] [networking-sfc] SFC and OVN<br>

> > > <br>

> > > Ryan,<br>

> > > <br>

> > > Ok – I will let the experts weigh in on load balancing.<br>

> > > <br>

> > > In the meantime I have attached a couple of files to show where I am<br>

> > > going. The first is sfc_dict.py and is a representation of the dict <br>

> > > I am passing from SFC to OVN. This will then translate to the <br>

> > > attached ovn-nb schema file.<br>

> > > <br>

> > > One of my concerns is that SFC almost doubles the size of the ovn-nb<br>

> > > schema but I could not think of any other way of doing it.<br>

> > > <br>

> > > Thoughts?<br>

> > > <br>

> > > John<br>

> > <br>

> > The dictionary looks fine for a starting point, and the more I look<br>

> > at the classifier, the more I wonder if we can't do something with<br>

> > the current ACL table to avoid duplication in the NB database<br>

> > definition...<br>

> > <br>

> > Ryan<br>

> > <br>

> > > From: Ryan Moats <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:rmoats@us.ibm.com"><span style="font-size:10.0pt">rmoats@us.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> > > Date: Wednesday, May 25, 2016 at 7:27 AM<br>

> > > To: John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> > > Cc: "</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">"

 <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 OpenStack <br>

> > > Development Mailing List <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:10.0pt">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Ben Pfaff <<br>

> > > </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:blp@ovn.org"><span style="font-size:10.0pt">blp@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Justin Pettit <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jpettit@ovn.org"><span style="font-size:10.0pt">jpettit@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 Russell Bryant <<br>

> > </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:russell@ovn.org"><span style="font-size:10.0pt">russell@ovn.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black"><br>

> > > ><br>

> > > Subject: Re: [OVN] [networking-ovn] [networking-sfc] SFC and OVN<br>

> > > <br>

> > > John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>

 wrote on 05/24/2016 <br>

> > > 06:33:05 PM:<br>

> > > <br>

> > > > From: John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> > > > To: Ryan Moats/Omaha/IBM@IBMUS<br>

> > > > Cc: "</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">"

 <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 "OpenStack <br>

> > > > Development Mailing List" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:10.0pt">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> > > > Date: 05/24/2016 06:33 PM<br>

> > > > Subject: Re: [OVN] [networking-ovn] [networking-sfc] SFC and OVN<br>

> > > > <br>

> > > > Ryan,<br>

> > > > <br>

> > > > Thanks for getting back to me and pointing me in a more OVS like <br>

> > > > direction. What you say makes sense, let me hack something together.<br>

> > > > I have been a little distracted getting some use cases together. The<br>

> > > > other area is how to better map the flow-classifier I have been <br>

> > > > thinking about it a little, but I will leave it till after we get <br>

> > > > the chains done.<br>

> > > > <br>

> > > > Your load-balancing comment was very interesting – I saw some <br>

> > > > patches for load-balancing a few months ago but nothing since. It <br>

> > > > would be great if we could align with load-balancing as that would <br>

> > > > make a really powerful solution.<br>

> > > > <br>

> > > > Regards<br>

> > > > <br>

> > > > John<br>

> > > <br>

> > > John-<br>

> > > <br>

> > > For the load balancing, I believe that you'll want to look at<br>

> > > openvswitch's select group, as that should let you set up multiple<br>

> > > buckets for each egress port in the port pairs that make up a port<br>

> > > group.<br>

> > > <br>

> > > As I understand it, Table 0 identifies the logical port and logical<br>

> > > flow. I'm worried that this means we'll end up with separate bucket<br>

> > > rules for each ingress port of the port pairs that make up a port<br>

> > > group, leading to a cardinality product in the number of rules.<br>

> > > I'm trying to think of a way where Table 0 could identify the packet<br>

> > > as being part of a particular port group, and then I'd only need one<br>

> > > set of bucket rules to figure out the egress side.  However, the<br>

> > > amount of free metadata space is limited and so before we go down<br>

> > > this path, I'm going to pull Justin, Ben and Russell in to see if<br>

> > > they buy into this idea or if they can think of an alternative.<br>

> > > <br>

> > > Ryan<br>

> > > <br>

> > > > <br>

> > > > From: Ryan Moats <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:rmoats@us.ibm.com"><span style="font-size:10.0pt">rmoats@us.ibm.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> > > > Date: Monday, May 23, 2016 at 9:06 PM<br>

> > > > To: John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> > > > Cc: "</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">"

 <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 OpenStack <br>

> > > > Development Mailing List <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:10.0pt">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> > > > Subject: Re: [OVN] [networking-ovn] [networking-sfc] SFC and OVN<br>

> > > > <br>

> > > > John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>

 wrote on 05/18/2016 <br>

> > > > 03:55:14 PM:<br>

> > > > <br>

> > > > > From: John McDowall <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:jmcdowall@paloaltonetworks.com"><span style="font-size:10.0pt">jmcdowall@paloaltonetworks.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> > > > > To: Ryan Moats/Omaha/IBM@IBMUS<br>

> > > > > Cc: "</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">"

 <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">>,

 "OpenStack <br>

> > > > > Development Mailing List" <</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:openstack-dev@lists.openstack.org"><span style="font-size:10.0pt">openstack-dev@lists.openstack.org</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">><br>

> > > > > Date: 05/18/2016 03:55 PM<br>

> > > > > Subject: Re: [OVN] [networking-ovn] [networking-sfc] SFC and OVN<br>

> > > > > <br>

> > > > > Ryan,<br>

> > > > > <br>

> > > > > OK all three repos and now aligned with their masters. I have done <br>

> > > > > some simple level system tests and I can steer traffic to a single <br>

> > > > > VNF.  Note: some additional changes to networking-sfc to catch-up <br>

> > > > > with their changes.<br>

> > > > > <br>

> > > > > </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_doonhammer_networking-2Dsfc&d=CwMGaQ&c=V9IgWpI5PvzTw83UyHGVSoW3Uc1MFWe5J8PTfkrzVSo&r=vZ6VUDaavDpfOdPQrz1ED54jEjvAE36A8TVJroVlrOQ&m=mLaxHI6XiGcUfgsL5Egu3aC0QR-xI7L_QuffCoTwtz8&s=8QaDNJ9iUOwW-TDDioAlHYpO-WM2a7-bMuP7qJTezaw&e="><span style="font-size:10.0pt">https://github.com/doonhammer/networking-sfc</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black"><br>

> > > > > </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_doonhammer_networking-2Dovn&d=CwMGaQ&c=V9IgWpI5PvzTw83UyHGVSoW3Uc1MFWe5J8PTfkrzVSo&r=vZ6VUDaavDpfOdPQrz1ED54jEjvAE36A8TVJroVlrOQ&m=mLaxHI6XiGcUfgsL5Egu3aC0QR-xI7L_QuffCoTwtz8&s=ITWWb5V3L60kdiwK5QIbo-YEcIvGkdKDW4xl6uNj_3g&e="><span style="font-size:10.0pt">https://github.com/doonhammer/networking-ovn</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black"><br>

> > > > > </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_doonhammer_ovs&d=CwMGaQ&c=V9IgWpI5PvzTw83UyHGVSoW3Uc1MFWe5J8PTfkrzVSo&r=vZ6VUDaavDpfOdPQrz1ED54jEjvAE36A8TVJroVlrOQ&m=mLaxHI6XiGcUfgsL5Egu3aC0QR-xI7L_QuffCoTwtz8&s=bBOpCVRnF1ntciYqKMTLupX4eagWaWVXoKRWAwAio2I&e="><span style="font-size:10.0pt">https://github.com/doonhammer/ovs</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black"><br>

> > > > > <br>

> > > > > The next tasks I see are:<br>

> > > > > <br>

> > > > > 1. Decouple networking-sfc and networking-ovn. I am thinking that I <br>

> > > > > will pass a nested port-chain dictionary holding port-pairs/port-<br>

> > > > > pair-groups/flow-classifiers from networking-sfc to networking-ovn.<br>

> > > > > 2. Align the interface between networking-ovn and ovs/ovn to match <br>

> > > > > the nested dictionary in 1.<br>

> > > > > 3. Modify the ovn-nb schema and ovn-northd.c to march the port-<br>

> > > chain model.<br>

> > > > > 4. Add ability to support chain of port-pairs<br>

> > > > > 5. Think about flow-classifiers and how best to map them, today I <br>

> > > > > just map the logical-port and ignore everything else.<br>

> > > > > <br>

> > > > > Any other suggestions/feedback?<br>

> > > > > <br>

> > > > > Regards<br>

> > > > > <br>

> > > > > John<br>

> > > > <br>

> > > > John-<br>

> > > > <br>

> > > > (Sorry for sending this twice, but I forgot that text/html is not liked<br>

> > > > by the mailing lists ...)<br>

> > > >  <br>

> > > > My apologies for not answering this sooner - I was giving a two day<br>

> > > > training on Tues/Wed last week and came back to my son graduating<br>

> > > > from HS the next day, so things have been a bit of a whirlwind here.<br>

> > > >  <br>

> > > > Looking at the github repos, I like the idea of passing a dictionary<br>

> > > > from networking-sfc to networking-ovn. The flow classifiers should<br>

> > > > be relatively straightforward to map to ovs match rules (famous last<br>

> > > > words)...<br>

> > > >  <br>

> > > > I've probably missed an orbit here, but in the ovn-northd <br>

> implementation,<br>

> > > > I was expecting to find service chains in the egress and <br>

> router pipelines<br>

> > > > in addition to the ingress pipeline (see below for why I thinka service<br>

> > > > chain stage in the egress pipeline makes sense ...)<br>

> > > >  <br>

> > > > Also, in the ovn-northd implementation, I'm a little disturbedto see the<br>

> > > > ingress side of the service chain sending packets to output ports - I<br>

> > > > think that a more scalable (and more "ovs-like" approach) would be to<br>

> > > > match the egress side of a port pair in the chaining stage of the<br>

> > > > ingress pipeline, with an action that  set the input port register.<br>

> > > > Then the egress pipeline would have a chaining stage where the output<br>

> > > > port register would be set based on the ingress port of the next port<br>

> > > > pair in the chain and the packet being punted to the proper output port<br>

> > > > in the last table.  That should automagically build your function chain<br>

> > > > and provide the basis for bucketizing multiple ingress ports for the<br>

> > > > next port group to support hash based load balancing.<br>

> > > >  <br>

> > > > Does that make sense?<br>

> > > >  <br>

> > > > Ryan[attachment "ovn-nb.ovsschema.sfc" deleted by Ryan Moats/<br>

> > > Omaha/IBM] [attachment "sfc_dict.py" deleted by Ryan Moats/Omaha/IBM] _______________________________________________<br>

discuss mailing list</span><u><span style="font-family:"Calibri","sans-serif";color:blue"><br>

</span></u><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="mailto:discuss@openvswitch.org"><span style="font-size:10.0pt">discuss@openvswitch.org</span></a></span><u><span style="font-family:"Calibri","sans-serif";color:blue"><br>

</span></u><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__openvswitch.org_mailman_listinfo_discuss&d=CwMFoQ&c=V9IgWpI5PvzTw83UyHGVSoW3Uc1MFWe5J8PTfkrzVSo&r=vZ6VUDaavDpfOdPQrz1ED54jEjvAE36A8TVJroVlrOQ&m=VCIo4C63txe7y9jwS2U5ebuYWzlLk4MF1mIa2Hx1A2s&s=9J7cT2z1rc3u2I2LIa-2Hk-qWyVf-Kwd8ge5ywYK-nE&e="><span style="font-size:10.0pt">http://openvswitch.org/mailman/listinfo/discuss</span></a></span><span style="color:black"><o:p></o:p></span></p>

<p><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">[attachment "ovn-nb.ovsschema.sfc" deleted by Na Zhu/China/IBM] [attachment "sfc_dict.py" deleted by Na Zhu/China/IBM]

</span><span style="color:black"><o:p></o:p></span></p>

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<p><span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:black">[attachment "ovn_config.sh" deleted by Na Zhu/China/IBM]

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