<div dir="ltr">Hi Keshava,<div><br></div><div>Please find my response iniline.</div><div><br></div><div>Thanks</div><div>Vikram<br><div class="gmail_extra"><br><div class="gmail_quote">On Tue, May 19, 2015 at 10:10 PM, A, Keshava <span dir="ltr"><<a href="mailto:keshava.a@hp.com" target="_blank">keshava.a@hp.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
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<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Hi Vikarm<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p>
<p><u></u><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><span>1.<span style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7pt;line-height:normal;font-family:'Times New Roman'">
</span></span></span><u></u><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">What are the use case of “ Dynamic Routing Framework” ? <u></u><u></u></span></p>
<p><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><a href="https://blueprints.launchpad.net/neutron/+spec/bgp-dynamic-routing" target="_blank">https://blueprints.launchpad.net/neutron/+spec/bgp-dynamic-routing</a><u></u><u></u></span></p>
<p><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">You are thinking of running both IGP and BGP in the same neutron ?</span></p></div></div></blockquote><div>>>>> Vikram: I didn't get you question. Can you please elaborate.</div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div lang="EN-US" link="blue" vlink="purple"><div><p><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">
<u></u><u></u></span></p>
<p><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">In which kind of scenario we need this ? It is better have more information.</span></p></div></div></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div lang="EN-US" link="blue" vlink="purple"><div><p><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">We also need to think do we really need IGP with in the cloud, or we only need BGP for external connectivity .<u></u><u></u></span></p>
<p><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">In that scenario, we may not go for Routing Framework, and not to complicate things too much.<u></u><u></u></span></p>
<p><i><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">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.</span></i></p></div></div></blockquote><div>>>>> Vikram Usecase is discussed in "<a href="https://review.openstack.org/#/c/125401/">https://review.openstack.org/#/c/125401/</a>" </div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div lang="EN-US" link="blue" vlink="purple"><div><p><i><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u></span></i></p>
<p><u></u><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><span>2.<span style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7pt;line-height:normal;font-family:'Times New Roman'">
</span></span></span><u></u><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">What is the use case of “Prefix Clashing” ? You are thinking of running multiple routing protocol and they will learn “same prefix + Route” ?<u></u><u></u></span></p>
<p><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><a href="https://blueprints.launchpad.net/neutron/+spec/prefix-clashing-issue-with-dynamic-routing-protocol" target="_blank">https://blueprints.launchpad.net/neutron/+spec/prefix-clashing-issue-with-dynamic-routing-protocol</a><u></u><u></u></span></p>
<p><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">In my opinion, with in the cloud we may not such deployment scenario.<u></u><u></u></span></p>
<p><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> </span></p></div></div></blockquote><div>>>>> Vikram Usecase is discussed in "<a href="https://review.openstack.org/#/c/180267/">https://review.openstack.org/#/c/180267/</a>" </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div lang="EN-US" link="blue" vlink="purple"><div><p><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">
<i>Let us not mix underlay network with overlay network . Both will go as different solution provider, so different business domain.<u></u><u></u></i></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"> This is my thoughts .<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">keshava<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p>
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<p class="MsoNormal"><b><span style="font-size:11pt;font-family:Calibri,sans-serif">From:</span></b><span style="font-size:11pt;font-family:Calibri,sans-serif"> Vikram Choudhary [mailto:<a href="mailto:vikram.choudhary@huawei.com" target="_blank">vikram.choudhary@huawei.com</a>]
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<b>Sent:</b> Wednesday, May 06, 2015 10:45 AM<br>
<b>To:</b> <a href="mailto:pc@michali.net" target="_blank">pc@michali.net</a>; <a href="mailto:openstack-dev@lists.openstack.org" target="_blank">openstack-dev@lists.openstack.org</a><br>
<b>Cc:</b> Kalyankumar Asangi<br>
<b>Subject:</b> Re: [openstack-dev] [neutron] How should edge services APIs integrate into Neutron?<u></u><u></u></span></p>
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<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Hi Paul,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Thanks for starting this mail thread. We are also eyeing for supporting MPBGP in neutron and will like to actively participate in this discussion.
<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Please let me know about the IRC channels which we will be following for this discussion.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Currently, I am following below BP’s for this work.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><a href="https://blueprints.launchpad.net/neutron/+spec/edge-vpn" target="_blank">https://blueprints.launchpad.net/neutron/+spec/edge-vpn</a><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><a href="https://blueprints.launchpad.net/neutron/+spec/bgp-dynamic-routing" target="_blank">https://blueprints.launchpad.net/neutron/+spec/bgp-dynamic-routing</a><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><a href="https://blueprints.launchpad.net/neutron/+spec/dynamic-routing-framework" target="_blank">https://blueprints.launchpad.net/neutron/+spec/dynamic-routing-framework</a><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><a href="https://blueprints.launchpad.net/neutron/+spec/prefix-clashing-issue-with-dynamic-routing-protocol" target="_blank">https://blueprints.launchpad.net/neutron/+spec/prefix-clashing-issue-with-dynamic-routing-protocol</a><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">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.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><a href="https://blueprints.launchpad.net/neutron/+spec/intent-based-service-chaining" target="_blank">https://blueprints.launchpad.net/neutron/+spec/intent-based-service-chaining</a><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Thanks<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Vikram<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p>
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<p class="MsoNormal"><b><span style="font-size:10pt;font-family:Tahoma,sans-serif">From:</span></b><span style="font-size:10pt;font-family:Tahoma,sans-serif"> Paul Michali [<a href="mailto:pc@michali.net" target="_blank">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?<u></u><u></u></span></p>
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<p class="MsoNormal"><u></u> <u></u></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...<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></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?<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></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.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></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.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></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.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></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.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">I'm assuming that the python-neutronclient would also need to be updated.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><u></u> <u></u></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.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Thanks in advance,<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Paul Michali (pc_m)<u></u><u></u></p>
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