<html><body><div style="font-family: times new roman, new york, times, serif; font-size: 12pt; color: #000000"><div><br></div><div><br></div><hr id="zwchr"><blockquote style="border-left:2px solid #1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>From: </b>"PAUL CARVER" <pc2929@att.com><br><b>To: </b>"Dan Wendlandt" <dwendlandt@vmware.com>, "Rajshree Thorat" <rajshree.thorat@gslab.com><br><b>Cc: </b>openstack@lists.openstack.org<br><b>Sent: </b>Friday, March 14, 2014 2:23:21 PM<br><b>Subject: </b>RE: [Openstack] ESXi in production with Neutron<br><div><br></div><style><!--
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--></style><div class="WordSection1"><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Dan Wendlandt wrote:</span></p><div><div><p class="MsoNormal"><span style="color:black"> </span></p></div><div><p class="MsoNormal"><span style="color:#1F497D">></span><span style="color:black">In my experience working with customers, people typically either dip their toe in to start by just running ESXi/vSphere with
</span></p><p class="MsoNormal"><span style="color:#1F497D">></span><span style="color:black">nova-network, or they have decided on NSX from the get-go and start with Neutron. If you're just looking for nova-network,
</span></p><p class="MsoNormal"><span style="color:#1F497D">></span><span style="color:black">VOVA makes it really easy to do a basic nova-network setup: <a href="https://communities.vmware.com/docs/DOC-24626" target="_blank">https://communities.vmware.com/docs/DOC-24626</a></span></p></div><div><p class="MsoNormal"><span style="color:black"> </span></p></div><div><p class="MsoNormal"><span style="color:#1F497D">We’re running Quantum (in Grizzly) with OvS+GRE overlay networking with KVM only. NSX and VMWare/Nicira are among the SDN vendors who claim to be able to integrate ESXi with KVM in a multi-hypervisor OpenStack
cloud, but they’re not the only one. There are a number of other vendors who claim they can also integrate ESXi with KVM in a common virtual network.</span></p></div></div></div></blockquote><div><div>Yes, I'm aware of people proposing approaches that involve using virtual appliances for packet forwarding instead of the in-kernel vSwitch. Perhaps there are other approaches as well (e.g., SR-IOV + HW). </div><div><br></div><div>I focused on NSX + nova-network because I started the email by saying "<span style="font-family: Calibri, sans-serif; font-size: 15px; background-color: #fdfdfd;" data-mce-style="font-family: Calibri, sans-serif; font-size: 15px; background-color: #fdfdfd;">In my experience working with customers...", and I have never seen anything other than those two options running in production.</span></div><div><span style="font-family: Calibri, sans-serif; font-size: 15px; background-color: #fdfdfd;" data-mce-style="font-family: Calibri, sans-serif; font-size: 15px; background-color: #fdfdfd;"> </span></div><div><span style="font-family: Calibri, sans-serif; font-size: 15px; background-color: #fdfdfd;" data-mce-style="font-family: Calibri, sans-serif; font-size: 15px; background-color: #fdfdfd;">Dan </span></div></div><div><br></div><div><br></div><blockquote style="border-left:2px solid #1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><div class="WordSection1"><div><div><p class="MsoNormal"><span style="color:#1F497D"> </span></p><p class="MsoNormal"><span style="color:#1F497D">We’re not ready to just decide to go with VMWare/Nicira without first evaluating all the options.</span></p><p class="MsoNormal"><span style="color:#1F497D"> </span></p><p class="MsoNormal"><span style="color:#1F497D">However, we’re getting some pressure to support ESXi in a timeframe that doesn’t allow for completing the SDN evaluation. I’m trying to figure out if we can integrate ESXi into our KVM based OvS+GRE/Neutron (post-upgrade
from Grizzly) cloud in the interim, or if we need to push back and say that we simply can’t support ESXi in the requested timeframe.</span></p></div></div></div></blockquote><div><br></div></div></body></html>