<div dir="ltr">Hello Greg,<div><br></div><div style>Blueprint you have put together is very much in line what we have done in openContrail virtual services implementation.</div><div style><br></div><div style>One thing that we have done is "Service instance" is a single type of service provided by virtual appliance.</div>
<div style>e.g. firewall or load-balancer etc</div><div style>"Service instance" itself can be made up one or more virtual machines. This will usually be case when you need to scale out services for performance reasons</div>
<div style><br></div><div style>Another thing that we have done is introduced a concept of service template. Service template describes how the service can be deployed. Image specified in the template can also be snapshot of VM with cookie cutter configuration.</div>
<div style><br></div><div style>service templates can be created by admins.Service instances are created by tenants (if allowed) using a service templates.</div><div style><br></div><div style>So a a single firewall instance from vendor can be packaged as transparent L2 firewall in one template and in network L3 firewall in another template.</div>
<div style><br></div><div style>Regards</div><div style>-Harshad</div><div style><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Oct 8, 2013 at 2:48 PM, Regnier, Greg J <span dir="ltr"><<a href="mailto:greg.j.regnier@intel.com" target="_blank">greg.j.regnier@intel.com</a>></span> wrote:<br>
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<p class="MsoNormal">Hi,<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Re: blueprint:  <a href="https://blueprints.launchpad.net/neutron/+spec/adv-services-in-vms" target="_blank">
https://blueprints.launchpad.net/neutron/+spec/adv-services-in-vms</a><u></u><u></u></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Before going into more detail on the mechanics, would like to nail down use cases. 
<u></u><u></u></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Based on input and feedback, here is what I see so far. 
<u></u><u></u></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><u></u> <u></u></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Assumptions:<u></u><u></u></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <u></u><u></u></span></p>
<p style="margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">- a 'Service VM' hosts one or more 'Service Instances'<u></u><u></u></span></p>
<p style="margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">- each Service Instance has one or more Data Ports that plug into Neutron networks<u></u><u></u></span></p>
<p style="margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">- each Service Instance has a Service Management i/f for Service management (e.g. FW rules)<u></u><u></u></span></p>
<p style="margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">- each Service Instance has a VM Management i/f for VM management (e.g. health monitor)<u></u><u></u></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <u></u><u></u></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Use case 1: Private Service VM
<u></u><u></u></span></p>
<p style="margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Owned by tenant<u></u><u></u></span></p>
<p style="margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">VM hosts one or more service instances<u></u><u></u></span></p>
<p style="margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Ports of each service instance only plug into network(s) owned by tenant<u></u><u></u></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <u></u><u></u></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Use case 2: Shared Service VM<u></u><u></u></span></p>
<p style="margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Owned by admin/operator<u></u><u></u></span></p>
<p style="margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">VM hosts multiple service instances<u></u><u></u></span></p>
<p style="margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">The ports of each service instance plug into one tenants network(s)<u></u><u></u></span></p>
<p style="margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Service instance provides isolation from other service instances within VM<u></u><u></u></span></p>
<p style="margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <u></u><u></u></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Use case 3: Multi-Service VM<u></u><u></u></span></p>
<p style="margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Either Private or Shared Service VM<u></u><u></u></span></p>
<p style="margin-right:0in;margin-bottom:0in;margin-left:27.0pt;margin-bottom:.0001pt">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Support multiple service types (e.g. FW, LB, …)<span class="HOEnZb"><font color="#888888"><u></u><u></u></font></span></span></p><span class="HOEnZb"><font color="#888888">
<p class="MsoNormal"><u></u> <u></u></p>
<p style="margin-left:.75in">
<u></u><span>-<span style="font:7.0pt "Times New Roman"">         
</span></span><u></u>Greg<u></u><u></u></p>
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