<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On 13 May 2016 at 16:01, Cathy Zhang <span dir="ltr"><<a href="mailto:Cathy.H.Zhang@huawei.com" target="_blank">Cathy.H.Zhang@huawei.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Hi Uri,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Current networking-sfc API allows the user to specify the data path SFC encapsulation mechanism and NSH could be one of the encapsulation options.
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">But since OVS release has not supported the NSH yet, we have to wait until NSH is added into OVS and then start to support the NSH encapsulation mechanism
in the data path.</span></p></div></div></blockquote><div><br></div><div>One can support NSH whichever way they see fit. NSH in OVS is not something Neutron can do anything about. Neutron is about defining abstractions that can apply to a variety of technologies and experiment with what open source component is available on the shelves. Anyone can take the abstraction and deliver whatever technology stack they want with it and we'd happily gather any feedback to iterate on the abstraction to address more and more use case.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-US" link="blue" vlink="purple"><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> <u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">AFAIK, it is the position of Neutron to have any OVS related new features developed inside the OVS community.
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Thanks,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Cathy<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></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""> Elzur, Uri [mailto:<a href="mailto:uri.elzur@intel.com" target="_blank">uri.elzur@intel.com</a>]
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<b>Sent:</b> Friday, May 13, 2016 3:02 PM<br>
<b>To:</b> OpenStack Development Mailing List (not for usage questions); Armando M<br>
<b>Subject:</b> [openstack-dev] [Neutron] support of NSH in networking-SFC<u></u><u></u></span></p>
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<p class="MsoNormal"><a name="m_5375375125506740348__MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Hi Armando</span></a><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">As an industry we are working on SFC for 3 years or so (more?). Still to date, we are told we can’t get Neutron or even a Stadium project e.g. networking-SFC
to support NSH (in IETF LC phase) because OvS has not supported NSH. Is this an official position of Neutron that OvS is the gold standard to support any new feature?<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">We have seen OvS support other overlays that are not ahead of VXLAN-gpe in the IETF.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Thx<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Uri (“Oo-Ree”)<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">C: <a href="tel:949-378-7568" value="+19493787568" target="_blank">949-378-7568</a></span>
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