<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On 13 June 2016 at 10:35, Daniel P. Berrange <span dir="ltr"><<a href="mailto:berrange@redhat.com" target="_blank">berrange@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On Thu, Jun 09, 2016 at 05:31:13PM -0600, Carl Baldwin wrote:<br>
> Hi,<br>
><br>
> You may or may not be aware of the vlan-aware-vms effort [1] in<br>
> Neutron. If not, there is a spec and a fair number of patches in<br>
> progress for this. Essentially, the goal is to allow a VM to connect<br>
> to multiple Neutron networks by tagging traffic on a single port with<br>
> VLAN tags.<br>
><br>
> This effort will have some effect on vif plugging because the datapath<br>
> will include some changes that will effect how vif plugging is done<br>
> today.<br>
><br>
> The design proposal for trunk ports with OVS adds a new bridge for<br>
> each trunk port. This bridge will demux the traffic and then connect<br>
> to br-int with patch ports for each of the networks. Rawlin Peters<br>
> has some ideas for expanding the vif capability to include this<br>
> wiring.<br>
><br>
> There is also a proposal for connecting to linux bridges by using<br>
> kernel vlan interfaces.<br>
><br>
> This effort is pretty important to Neutron in the Newton timeframe. I<br>
> wanted to send this out to start rounding up the reviewers and other<br>
> participants we need to see how we can start putting together a plan<br>
> for nova integration of this feature (via os-vif?).<br>
<br>
</span>I've not taken a look at the proposal, but on the timing side of things<br>
it is really way to late to start this email thread asking for design<br>
input from os-vif or nova. We're way past the spec proposal deadline<br>
for Nova in the Newton cycle, so nothing is going to happen until the<br>
Ocata cycle no matter what Neutron want in Newton. </blockquote><div><br></div><div>For sake of clarity, does this mean that the management of the os-vif project matches exactly Nova's, e.g. same deadlines and processes apply, even though the core team and its release model are different from Nova's? I may have erroneously implied that it wasn't, also from past talks I had with johnthetubaguy.</div><div><br></div><div>Perhaps the answer to this question is clearly stated somewhere else, but I must have missed it. I want to make sure I ask explicitly now to avoid future confusion.</div><div><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">For os-vif our<br>
focus right now is exclusively on getting existing functionality ported<br>
over, and integrated into Nova in Newton. So again we're not really looking<br>
to spend time on further os-vif design work right now.<br>
<br>
In the Ocata cycle we'll be looking to integrate os-vif into Neutron to<br>
let it directly serialize VIF objects and send them over to Nova, instead<br>
of using the ad-hoc port-binding dicts. From the Nova side, we're not<br>
likely to want to support any new functionality that affects port-binding<br>
data until after Neutron is converted to os-vif. So Ocata at the earliest,<br>
but probably more like Pxxxx, unless the Neutron conversion to os-vif gets<br>
completed unexpectedly quickly.<br>
<br>
Regards,<br>
Daniel<br>
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