[openstack-dev] [Neutron][kuryr] mutihost networking with nova vm as docker host

Vikas Choudhary choudharyvikas16 at gmail.com
Thu Nov 5 09:38:43 UTC 2015


++[Neutron] tag

On Thu, Nov 5, 2015 at 11:33 AM, Vikas Choudhary <choudharyvikas16 at gmail.com
> wrote:

> Hi All,
>
> I would appreciate inputs on following queries:
> 1. Are we assuming nova bm nodes to be docker host for now?
>
> If Not:
>          - Assuming nova vm as docker host and ovs as networking plugin:
>             This line is from the etherpad[1], "Eachdriver would have an
> executable that receives the name of the veth pair that has to be bound to
> the overlay" .
>             Query 1:  As per current ovs binding proposals by Feisky[2]
> and Diga[3], vif seems to be binding with br-int on vm. I am unable to
> understand how overlay will work. AFAICT , neutron will configure br-tun of
> compute machines ovs only. How overlay(br-tun) configuration will happen
> inside vm ?
>
>              Query 2: Are we having double encapsulation(both at vm and
> compute)? Is not it possible to bind vif into compute host br-int?
>
>              Query3: I did not see subnet tags for network plugin being
> passed in any of the binding patches[2][3][4]. Dont we need that?
>
>
> [1]  https://etherpad.openstack.org/p/Kuryr_vif_binding_unbinding
> [2]  https://review.openstack.org/#/c/241558/
> [3]  https://review.openstack.org/#/c/232948/1
> [4]  https://review.openstack.org/#/c/227972/
>
>
> -Vikas Choudhary
>
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