[ovs-discuss] VXLAN implementation in OVS

Sudhakar Gariganti sudhakar.gariganti at gmail.com
Wed Nov 7 15:10:29 UTC 2012


Thank you so much Kyle for the quick response.

I will surely check in the NVO3 group.


Best Regards,
Sudhakar.


On Wed, Nov 7, 2012 at 7:52 PM, Kyle Mestery (kmestery)
<kmestery at cisco.com>wrote:

> On Nov 7, 2012, at 7:01 AM, Sudhakar Gariganti <
> sudhakar.gariganti at gmail.com> wrote:
> >
> > Hi Friends,
> >
> > I am trying to understand the VXLAN spec and stumbled on how
> multicasting is being used in the communication of VMs across tenants. I
> want to understand how this is being implemented
> > in the current OVS- VXLAN implementation.
> >
> > I came across this link
> http://openvswitch.org/pipermail/dev/2011-October/012051.html dated
> Oct'2011 in relation. The post says, multicast support was not implemented
> by that time.I hope there would have been definitely some progress post
> that.
> >
> > Can someone provide information or some clarification in this regard.
> >
> > Any kind of information is highly appreciated.
> >
> VXLAN is not in upstream OVS yet. I have been maintaining and updating the
> patch referenced above at the github here:
>
> https://github.com/mestery/ovs-vxlan
>
> However, no multicast support is implemented there either. I am currently
> working on getting the VXLAN patches upstream into OVS. Once that is
> complete, we can then implement multicast learning in userspace. I should
> note, however, that the VXLAN working group in the IETF is currently
> evaluating methods other than multicast to handle broadcast traffic across
> VXLAN. Checkout the NVO3 working group for more information on the plans
> there.
>
> Thanks,
> Kyle
>
> >
> > Thanks,
> > Sudhakar.
> >
> >
> > _______________________________________________
> > discuss mailing list
> > discuss at openvswitch.org
> > http://openvswitch.org/mailman/listinfo/discuss
>
>
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