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<p class="MsoNormal">Ian/Brent/Matt,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We did analysis about the Network trunk related patches for StartingX upstream, below are the suggestions for upstreaming, could you please help to review and comment? Thanks much!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">1.  ba9d9f60a7a2665194cacb92a05e0acd2dc3de41: Add rpc notification for trunk updates<o:p></o:p></p>
<p class="MsoNormal">     <b>Function</b>: sent notification to the agent when a trunk is updated<o:p></o:p></p>
<p class="MsoNormal">     <b>Analysis</b>:<o:p></o:p></p>
<p class="MsoNormalCxSpMiddle">      (1)Trunk’s AFTER_UPDATE event is generated for API call: PUT /v2.0/trunks/{trunk-id}<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:.25in"><i><span lang="EN" style="font-size:10.0pt;font-family:"Segoe UI",sans-serif;color:#333333">The update request is only for changing fields like name, description or admin_state_up. Setting the admin_state_up to
 False locks the trunk in that it prevents operations such as adding/removing subports.<o:p></o:p></span></i></p>
<p class="MsoNormal" style="text-indent:.25in">In Neutron upstream, admin_state_up is used in server side, e.g. add_subports, remove subports, delete_trunk and not used in agent side<o:p></o:p></p>
<p class="MsoNormalCxSpMiddle">      (2)OVS trunk agent driver uses OVSDB event to handle trunk event, no need to manually trigger trunk update event<o:p></o:p></p>
<p class="MsoNormal">     (3)Linux trunk agent driver will handle trunk update event triggered by server, while it will need apply the patch only in case admin_state_up update need to be handled<o:p></o:p></p>
<p class="MsoNormal">     <b>Suggestion: </b>Not a bug for Neutron upstream, suggest not to upstream<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">2. 6955351c5eca6e37061fb0140d11ea53693fe0e1: Add support to delete bound network<o:p></o:p></p>
<p class="MsoNormal">     <b>Function</b>: enable delete trunk if it is can_be_trunked (not bounded or driver’s can_trunk_bound_port=true)<o:p></o:p></p>
<p class="MsoNormal">     <b>Analysis</b>: Applied for LinuxBridge Driver and AVS bridge Driver (can_trunk_bound_port=True), no impact for OVSTrunkDriver (can_trunk_bound_port=False). workaround also available for linux bridge (e.g. unbind the port first then
 delete the trunk)<o:p></o:p></p>
<p class="MsoNormal">     <b>Suggestion</b>: it is a low priority bug for Neutron upstream (only applied for linux bridge and workround available), suggest not to upstream<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">3. 43a684946e781a25d21a4f50b8dc67d61be42809: Enable trunk service by default<o:p></o:p></p>
<p class="MsoNormal">     <b>Function</b>: add “trunk” in DEFAULT_SERVICE_PLUGINS<o:p></o:p></p>
<p class="MsoNormal">     <b>Analysis</b>: It is a deploy configuration for downstream product<o:p></o:p></p>
<p class="MsoNormal">     <b>Suggestion</b>: Not a bug for Neutron upstream, suggest not to upstream<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">4. c54d804792f10b7f505de6794274c4df4768f6f0: Include trunk presence in port details<o:p></o:p></p>
<p class="MsoNormal">     <b>Function</b>: add trunk_port (bool) flag in port_details to identify whether this port is a parent port for a trunk<o:p></o:p></p>
<p class="MsoNormal">     <b>Analysis</b>: It is a performance improvement for AVS agent by reducing RPC call from agent to server. OVS agent has different implementation with no improvement by introducing this field<o:p></o:p></p>
<p class="MsoNormal">     <b>Suggestion</b>: Not a bug for Neutron upstream, suggest not to upstream<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">5. 3eed837ebd236e6b1959ea88d9ab5322c9eef6b9: Ignore trunk subports on same vlan as vlan-subnet ports<o:p></o:p></p>
<p class="MsoNormal">     <b>Function</b>: Ignore trunk subports on same vlan as vlan-subnet ports<o:p></o:p></p>
<p class="MsoNormal">     <b>Analysis</b>: It is a bug fix for AVS agent<o:p></o:p></p>
<p class="MsoNormal">     <b>Suggestion</b>: Not a bug for Neutron upstream, suggest not to upstream<o:p></o:p></p>
<p class="MsoNormal"><b><i><o:p> </o:p></i></b></p>
<p class="MsoNormal"><b><i>Best Regards,<o:p></o:p></i></b></p>
<p class="MsoNormal"><b><i>Le, Huifeng</i></b><span style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="color:#1F497D"> </span><span lang="EN-CA"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="color:#1F497D"> </span><span lang="EN-CA"><o:p></o:p></span></p>
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