Les,
> There then remains the question as to whether the “Area Prefix” is anycast > or unicast i.e., is it common to all IERs or is it unique to whomever gets > elected Area Leader? > > Does it matter? We have no clear semantics for this prefix. A difference that > makes no difference is no difference. > > [Les:] This question needs to be directed at those who prefer the Area Prefix > approach. It matters as it impacts configuration and advertisement semantics. > An anycast prefix is NOT a Node Prefix. > And it impacts how traffic is forwarded into the area. > > > > How so? Traffic will be directed to the SID value (modulo PHP). > [Les3:] If the prefix is private to a single router then traffic has to pass > through that router. If it is anycast the traffic could arrive at any one of > the routers supporting the anycast address. > I must be missing something. My understanding of SR is that you forward based on the label. Please educate me. Tony
_______________________________________________ Lsr mailing list Lsr@ietf.org https://www.ietf.org/mailman/listinfo/lsr
