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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Hi Vikarm<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"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">What are the use case of “ Dynamic Routing Framework” ? <o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><a href="https://blueprints.launchpad.net/neutron/+spec/bgp-dynamic-routing">https://blueprints.launchpad.net/neutron/+spec/bgp-dynamic-routing</a><o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">You are thinking of running both IGP and BGP in the same neutron ?
<o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">In which kind of scenario we need this ? It is better have more information.
<o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">We also need to think do we really need IGP with in the cloud, or we only need BGP for external connectivity .<o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">In that scenario, we may not go for Routing Framework, and not to complicate things too much.<o:p></o:p></span></p>
<p class="MsoListParagraph"><i><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">If some things works well with L2 with in the cloud lets not touch those area. We may need to see where there are real problem.<o:p></o:p></span></i></p>
<p class="MsoListParagraph"><i><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></i></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">What is the use case of “Prefix Clashing” ? You are thinking of running multiple routing protocol and they will learn “same prefix + Route” ?<o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><a href="https://blueprints.launchpad.net/neutron/+spec/prefix-clashing-issue-with-dynamic-routing-protocol">https://blueprints.launchpad.net/neutron/+spec/prefix-clashing-issue-with-dynamic-routing-protocol</a><o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">In my opinion, with in the cloud we may not such deployment scenario.<o:p></o:p></span></p>
<p class="MsoListParagraph"><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">
<i>Let us not mix underlay network with overlay network . Both will go as different solution provider, so different business domain.<o:p></o:p></i></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"> This is my thoughts .<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">keshava<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>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Vikram Choudhary [mailto:vikram.choudhary@huawei.com]
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<b>Sent:</b> Wednesday, May 06, 2015 10:45 AM<br>
<b>To:</b> pc@michali.net; openstack-dev@lists.openstack.org<br>
<b>Cc:</b> Kalyankumar Asangi<br>
<b>Subject:</b> Re: [openstack-dev] [neutron] How should edge services APIs integrate into Neutron?<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Hi Paul,<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 for starting this mail thread. We are also eyeing for supporting MPBGP in neutron and will like to actively participate in this discussion.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Please let me know about the IRC channels which we will be following for this discussion.<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">Currently, I am following below BP’s for this work.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><a href="https://blueprints.launchpad.net/neutron/+spec/edge-vpn">https://blueprints.launchpad.net/neutron/+spec/edge-vpn</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><a href="https://blueprints.launchpad.net/neutron/+spec/bgp-dynamic-routing">https://blueprints.launchpad.net/neutron/+spec/bgp-dynamic-routing</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><a href="https://blueprints.launchpad.net/neutron/+spec/dynamic-routing-framework">https://blueprints.launchpad.net/neutron/+spec/dynamic-routing-framework</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><a href="https://blueprints.launchpad.net/neutron/+spec/prefix-clashing-issue-with-dynamic-routing-protocol">https://blueprints.launchpad.net/neutron/+spec/prefix-clashing-issue-with-dynamic-routing-protocol</a><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">Moreover, a similar kind of work is being headed by Cathy for defining an intent framework which can extended for various use case. Currently it will be leveraged
for SFC but I feel the same can be used for providing intend VPN use case.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><a href="https://blueprints.launchpad.net/neutron/+spec/intent-based-service-chaining">https://blueprints.launchpad.net/neutron/+spec/intent-based-service-chaining</a><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">Vikram<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>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif"> Paul Michali [<a href="mailto:pc@michali.net">mailto:pc@michali.net</a>]
<br>
<b>Sent:</b> 06 May 2015 01:38<br>
<b>To:</b> OpenStack Development Mailing List (not for usage questions)<br>
<b>Subject:</b> [openstack-dev] [neutron] How should edge services APIs integrate into Neutron?<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">There's been talk in VPN land about new services, like BGP VPN and DM VPN. I suspect there are similar things in other Advanced Services. I talked to Salvatore today, and he suggested starting a ML thread on this...<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Can someone elaborate on how we should integrate these API extensions into Neutron, both today, and in the future, assuming the proposal that Salvatore has is adopted?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I could see two cases. The first, and simplest, is when a feature has an entirely new API that doesn't leverage off of an existing API.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">The other case would be when the feature's API would dovetail into the existing service API. For example, one may use the existing vpn_service API to create the service, but then create BGP VPN or DM VPN connections for that service, instead
of the IPSec connections we have today.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">If there are examples already of how to extend an existing API extension that would help in understanding how to do this.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I see that there are RESOURCE_ATTRIBUTE_MAPs with the information on the API, and I see that the plugin has a supported_extension_aliases, but beyond that, I'm not really sure how it all hooks up, and how to extend an existing extension.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I'm assuming that the python-neutronclient would also need to be updated.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">So... the intent here is to start some discussion on how we do this, such that we have some things figured out before the summit and can save some time.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thanks in advance,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Paul Michali (pc_m)<o:p></o:p></p>
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