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The current OVS binding proposals are not for nested containers.
I am not sure if you are asking about that case or about the nested
containers inside a VM case.

For the nested containers, we will use Neutron solutions that support this
kind of configuration, for example
if you look at OVN you can define "parent" and "sub" ports, so OVN knows to
perform the logical pipeline in the compute host
and only perform VLAN tagging inside the VM (as Toni mentioned)

If you need more clarification you can catch me on IRC as well and we can
talk.

On Thu, Nov 5, 2015 at 8:03 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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-- 
Best Regards ,

The G.
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