Tom, >>> I think that captures the intent. However, I see a possible difficulty: >>> differing lengths of the End-user IPv6 prefix for different CEs. We have to >>> add two conditions: >>> >>> -- the configured subnetwork identifier is at least >>> 64 - min (n + o) >>> bits long, where the minimization is taken over all FMRs in the domain >>> >>> -- the subnetwork identifier used with a given calculated End-user IPv6 >>> prefix uses the right-most (64 - (n + o)) bits of the configured subnetwork >>> identifier, where (n + o) is taken from the FMR used for the calculation. >>> >>> Seems simpler just to restrict to the all-zeros value, but please comment. >> >> I can't see how different End-user IPv6 prefix lengths within a domain can >> work. >> > > The End-user IPv6 prefix length obviously has to be the same for all nodes > using the same BMR, but couldn't, for example, the PSID width (i.e., the > sharing ratio) vary from one BMR to another?
absolutely. 'everything' can be different between different BMRs within the same domain. cheers, Ole _______________________________________________ Softwires mailing list [email protected] https://www.ietf.org/mailman/listinfo/softwires
