[openstack-dev] Fwd: [Neutron][DVR]Neutron distributed SNAT

Kevin Benton blak111 at gmail.com
Mon Feb 16 07:10:49 UTC 2015


Has there been any work to use conntrack synchronization similar to L3 HA
in DVR so failover is fast on the SNAT node?

On Sat, Feb 14, 2015 at 1:31 PM, Carl Baldwin <carl at ecbaldwin.net> wrote:

>
> On Feb 10, 2015 2:36 AM, "Wilence Yao" <wilence.yao at gmail.com> wrote:
> >
> >
> > Hi all,
> >   After OpenStack Juno, floating ip is handled by dvr, but SNAT is still
> handled by l3agent on network node. The distributed SNAT is in future plans
> for DVR. In my opinion, SNAT can move to DVR as well as floating ip. I have
> searched in blueprint, there is little  about distributed SNAT. Is there
> any different between distributed floating ip and distributed SNAT?
>
> The difference is that a shared snat address is shared among instances on
> multiple compute nodes.  A floating ip is exclusive to a single instance on
> one compute node.  I'm interested to hear your ideas for distributing it.
>
> Carl
>
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-- 
Kevin Benton
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