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<div>For use case 2, ability to "pin" an admin/operator owned VM to a particular tenant can be useful.</div>
<div>I.e., the service VMs are owned by the operator but a particular service VM will only allow service instances from a single tenant.</div>
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<div>Thanks,</div>
<div>Bob</div>
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<span style="font-weight:bold">From: </span><Regnier>, Greg J <<a href="mailto:greg.j.regnier@intel.com">greg.j.regnier@intel.com</a>><br>
<span style="font-weight:bold">Reply-To: </span>OpenStack Development Mailing List <<a href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>><br>
<span style="font-weight:bold">Date: </span>tisdag 8 oktober 2013 23:48<br>
<span style="font-weight:bold">To: </span>"<a href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>" <<a href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>><br>
<span style="font-weight:bold">Subject: </span>[openstack-dev] [Neutron] Service VM discussion - Use Cases<br>
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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Re: blueprint: <a href="https://blueprints.launchpad.net/neutron/+spec/adv-services-in-vms">
https://blueprints.launchpad.net/neutron/+spec/adv-services-in-vms</a><o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Before going into more detail on the mechanics, would like to nail down use cases.
<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Based on input and feedback, here is what I see so far.
<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Assumptions:<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> <o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size: 11pt; font-family: Calibri, sans-serif; ">- a 'Service VM' hosts one or more 'Service Instances'<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size: 11pt; font-family: Calibri, sans-serif; ">- each Service Instance has one or more Data Ports that plug into Neutron networks<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size: 11pt; font-family: Calibri, sans-serif; ">- each Service Instance has a Service Management i/f for Service management (e.g. FW rules)<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size: 11pt; font-family: Calibri, sans-serif; ">- each Service Instance has a VM Management i/f for VM management (e.g. health monitor)<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> <o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Use case 1: Private Service VM
<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Owned by tenant<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size: 11pt; font-family: Calibri, sans-serif; ">VM hosts one or more service instances<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Ports of each service instance only plug into network(s) owned by tenant<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> <o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Use case 2: Shared Service VM<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Owned by admin/operator<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size: 11pt; font-family: Calibri, sans-serif; ">VM hosts multiple service instances<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size: 11pt; font-family: Calibri, sans-serif; ">The ports of each service instance plug into one tenants network(s)<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Service instance provides isolation from other service instances within VM<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size: 11pt; font-family: Calibri, sans-serif; "> <o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Use case 3: Multi-Service VM<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Either Private or Shared Service VM<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size: 11pt; font-family: Calibri, sans-serif; ">Support multiple service types (e.g. FW, LB, …)<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoListParagraph" style="margin-left:.75in;text-indent:-.25in;mso-list:l0 level1 lfo1">
<!--[if !supportLists]--><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><!--[endif]-->Greg<o:p></o:p></p>
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