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Let me write a spec and see what you both think.  I have a couple of things
we could address here and while it's a bit late it wouldn't be a dramatic
thing to fix and it might be acceptable.

On 15 December 2014 at 11:28, Daniel P. Berrange <berrange at redhat.com>
wrote:
>
> On Mon, Dec 15, 2014 at 11:15:56AM +0100, Ian Wells wrote:
> > Hey Ryota,
> >
> > A better way of describing it would be that the bridge name is, at
> present,
> > generated in *both* Nova *and* Neutron, and the VIF type semantics define
> > how it's calculated.  I think you're right that in both cases it would
> make
> > more sense for Neutron to tell Nova what the connection endpoint was
> going
> > to be rather than have Nova calculate it independently.  I'm not sure
> that
> > that necessarily requires two blueprints, and you don't have a spec there
> > at the moment, which is a problem because the Neutron spec deadline is
> upon
> > us, but the idea's a good one.  (You might get away without a Neutron
> spec,
> > since the change to Neutron to add the information should be small and
> > backward compatible, but that's not something I can make judgement on.)
>
> Yep, the fact that both Nova & Neutron calculat the bridge name is a
> historical accident. Originally Nova did it, because nova-network was
> the only solution. Then Neutron did it too, so it matched what Nova
> was doing. Clearly if we had Neutron right from the start, then it
> would have been Neutrons responsibility todo this. Nothing in Nova
> cares what the names are from a functional POV - it just needs to
> be told what to use.
>
> Regards,
> Daniel
> --
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