Frode Nordahl, Oct 02, 2023 at 10:05: > > I must admit I don't have enough field experience operating large > > network fabrics to state what issues multicast can cause with these. > > This is why I raised this in the cons list :) > > > > What specific issues did you have in mind? > > It has been a while since I was overseeing the operations of large > metro networks, but I have vivid memories of multicast routing being a > recurring issue. A fabric supporting 10k computes would most likely > not be one large L2, there would be L3 routing involved and as a > consequence your proposal imposes configuration and scale requirements > on the fabric. > > Datapoints that suggest other people see this as an issue too can be > found in the fact that popular top of rack vendors have chosen control > plane based MAC learning for their EVPN implementations (RFC 7432). > There are also multiple papers discussing the scaling issues of > Multicast.
Thanks, I will try to educate myself better about this :) _______________________________________________ discuss mailing list disc...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
