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<p class="MsoNormal"><span style="color:#1F497D">Keshava,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">This sounds like you’re asking how you might do service function chaining with Neutron.  Is that a fair way to characterize your thoughts? I think the concept of service chain provisioning in Neutron is worth
 some discussion, keeping in mind Neutron is not a fabric controller.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">-Ryan<o:p></o:p></span></p>
<p class="MsoNormal"><span style="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""> A, Keshava
<br>
<b>Sent:</b> Tuesday, November 04, 2014 11:28 PM<br>
<b>To:</b> OpenStack Development Mailing List (not for usage questions); Singh, Gangadhar S<br>
<b>Subject:</b> [openstack-dev] openstack-dev] [neutron] [nfv]<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal">I am thinking loud here, about NFV Service VM and OpenStack infrastructure.<o:p></o:p></p>
<p class="MsoNormal">Please let me know does the below scenario analysis make sense.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">NFV Service VM’s are hosted on cloud (OpenStack)  where in there are  2 Tenants with different Service order of execution.<o:p></o:p></p>
<p class="MsoNormal">(Service order what I have mentioned here is  just an example ..)<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in"><span style="font-family:Symbol">·</span><span style="font-size:7.0pt;font-family:"Times New Roman","serif"">        
</span>Does OpenStack controls the order of Service execution for every packet ?  <o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in"><span style="font-family:Symbol">·</span><span style="font-size:7.0pt;font-family:"Times New Roman","serif"">        
</span>Does OpenStack will have different Service-Tag for different Service ? <o:p>
</o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in"><span style="font-family:Symbol">·</span><span style="font-size:7.0pt;font-family:"Times New Roman","serif"">        
</span>If there are multiple features with in a Service-VM, how Service-Execution is controlled in that  VM ?<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in"><span style="font-family:Symbol">·</span><span style="font-size:7.0pt;font-family:"Times New Roman","serif"">        
</span>After completion of a particular Service ,  how the next Service will be invoked ?
<o:p></o:p></p>
<p class="MsoListParagraph">Will there be pre-configured flows from OpenStack  to invoke next service for tagged packet from Service-VM ?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks & regards,<o:p></o:p></p>
<p class="MsoNormal">keshava<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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