> RAs/SLAAC work very well when RAs can be multicast to *all* nodes on a > link, and *all* nodes receive exactly the same information about > prefixes and SLAAC. I.e, your normal subnet model. > > What BBF is proposing to do, is to use RAs/SLAAC where each customer > node (i.e, each node on the access network) recieves *different* > configuration information. This means that multicast model on which > RAs were built doesn't work. > > This is hardly a "normal" IPv4 subnet model even. (I.e., the nodes > don't share a common prefix, even though they are in the same > broadcast domain.)
There are also operators who use a 1:1 VLAN model, i.e. each customer in its own broadcast domain. RAs cannot be sent in one nice multicast message to all customers - and even if they could, each host would need a different default gateway. Steinar Haug, Nethelp consulting, sth...@nethelp.no -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6@ietf.org Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
