IPV6 renumbering painless?

Thu Nov 11 16:35:07 UTC 2004

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: owner-nanog at merit.edu [mailto:owner-nanog at merit.edu] On Behalf Of
> Michael.Dillon at radianz.com
> Sent: Thursday, November 11, 2004 8:22 AM
> To: nanog at Merit.edu
> 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