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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal">After talking to several customers, we noticed that there is a solid requirement that choosing a compute node would take into account other attributes as NIC’s attributes and capabilities ( speed, RDAM enable, <span class="pln">supported</span><span class="pun">
</span><span class="pln">link</span><span class="pun"> </span><span class="pln">modes and etc… )</span>.<o:p></o:p></p>
<p class="MsoNormal">I was searching around old BP, and was thinking on several options to implement it:<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]><span dir="LTR"></span>Nova compute would recognize and report its Nic’s capabilities, and Nova’s filter or scheduler will take them into consideration.<o:p></o:p></p>
<p class="MsoListParagraph">(There is a nova blueprint for link state awareness
<a href="https://review.openstack.org/#/c/87978/3/specs/juno/nic-state-aware-scheduling.rst">
https://review.openstack.org/#/c/87978/3/specs/juno/nic-state-aware-scheduling.rst</a>, but here the idea is just NIC’s capabilities without the link state.)<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]><span dir="LTR"></span>New Neutron physical topology service(service plugin) that will retrieve this information and store it in Neutron either by L2 Agents or SDN driver, and a Nova filter that will query Neutron [1].<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">[1] <a href="https://review.openstack.org/#/c/91275/19/specs/juno/physical-network-topology.rst">
https://review.openstack.org/#/c/91275/19/specs/juno/physical-network-topology.rst</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Please share your thoughts and feel free to comment.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Best Regard, <o:p></o:p></p>
<p class="MsoNormal" style="text-indent:.5in">Moshe Levi <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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