First issue is that IPv6 interfaces support both the old & new prefixes at the same time, so the provider change case is not as dramatic as people fear based on past IPv4 experience. Second: http://www.ietf.org/internet-drafts/draft-ietf-v6ops-renumbering-procedure-0 1.txt talks about other issues that make renumbering non-trivial.
Tony > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of > [EMAIL PROTECTED] > Sent: Thursday, November 11, 2004 8:22 AM > To: [EMAIL PROTECTED] > Subject: IPV6 renumbering painless? > > > > I guess you also want to announce a /64 into the IPv6 BGP tables ? > > Correct me if I'm wrong, but doesn't IPv6 do away > with the need to renumber when switching providers? > So if RFC 2462 is right, and you use DNS outside > your network and you update that DNS at the moment > of switching providers, everything on your network > automatically acquires new IPv6 globally routable > addresses as soon as the gateway router is connected > to the new provider. Seems to me that with a little > bit of help from a "Change providers" tool, this > would be virtually painless without the need to > own or announce a small globally unique prefix. > > --Michael Dillon