One can define a MAP-domain consisting of 1 CE or N CEs. This is more of a deployment choice.
Cheers, Rajiv -----Original Message----- From: <Lee>, Yiu Lee <[email protected]> Date: Friday, November 9, 2012 2:43 PM To: Softwires-wg list <[email protected]> Subject: [Softwires] MAP-E 1:1 for HA >I have a question for the HA design concept of MAP-E 1:1. The central >theme of MAP-E is to make BR as stateless as possible and use Anycast >address to identify the MAP-E BR. However, if we use MAP-E 1:1 mode, the >operator must have to pre-provision all > the subscribe rules to all the BRs sharing the same Anycast address for >reliable HA. This requires operators to carefully plan out which BRs >support which subscribers. It is because BR is "per-subscriber stateful" >in MAP-E 1:1 mode. Compared to the MAP-E design, > HA in MAP-E only requires the operators to use the same set of rules to >cover the entire domain. IMHO, this contradicts the original spirit of >stateless solution and always puzzles me why MAP-E 1:1 bears the MAP-E >name. MAP-E and 1:1 MAP-E are two completely > different solutions and target to different deployment scenarios. I >would love to hear others to comment in the ML how to resolve this issue. > > >Thanks, >Yiu > > > > _______________________________________________ Softwires mailing list [email protected] https://www.ietf.org/mailman/listinfo/softwires
