On Sep 25, 2012, at 10:29 , "NAPIERALA, MARIA H" <[email protected]> wrote:
>>> A subnet (L2 VPN) could communicate with end-systems on other subnets >>> via a default gateway IP interface that is in a VRF which is a member >>> of an L3 VPN. >> >> And, right on cue, Aldrin tells us why IRB is needed :-) >> >> Totally agreed: necessary, whether one likes it or not. To channel >> Maria, though, one could "simulate" this by IP routing both within and >> between subnets. A uniform forwarding approach would make things a lot >> simpler. So the question comes back: why consider a "subnet" a Layer 2 >> entity? > > Precisely. > Hence, the only question that remains is how to address non-IP traffic, for > those DCs that care about such traffic (where non-IP traffic is the actual > application traffic, not DHCP or ARP generated by the guest OS). It would > seem that the best way to answer that question would be to first to measure > such traffic. With an electron microscope :) > Maria _______________________________________________ nvo3 mailing list [email protected] https://www.ietf.org/mailman/listinfo/nvo3
