On Thu, May 29, 2014 at 05:50:12PM -0300, Flavio Leitner wrote: > On Thu, May 29, 2014 at 01:31:07PM -0700, Ben Pfaff wrote: > > On Wed, May 28, 2014 at 10:10:34PM -0300, Flavio Leitner wrote: > > > Signed-off-by: Flavio Leitner <f...@redhat.com> > > > > I don't know much about IGMP. I see that there are three versions, > > v1, v2, and v3, and that this patch series only adds support for v1 > > and v2. Is the lack of v3 support a significant limitation in > > practice? Either way, is it difficult to extend the implementation to > > v3? > > Version 3 adds support for "source filtering", that is, the ability for > a system to report interest in receiving packets *only* from specific > source addresses, as required to support Source-Specific Multicast > [SSM], or from *all but* specific source addresses, sent to a particular > multicast address. Version 3 is designed to be interoperable with > Versions 1 and 2.
OK, the interoperability is the key answer I was hoping for. > Therefore, it will add more complexity to track down all the specific > sources for each port. I'd rather leave that to after this series > and RCUify. Yes, that makes sense, thank you. _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
