Re: IPv6 routing /48s

[Niels Bakker <niels=nanog () bakker net>]

* Mark_Andrews () isc org (Mark Andrews) [Wed 26 Nov 2008, 01:55 CET]:
> In message <20081126002425.GO78345 () burnout tpb net>, Niels Bakker writes:
> > * alh-ietf () tndh net (Tony Hain) [Wed 26 Nov 2008, 01:03 CET]:
> > > In any case, content providers can avoid the confusion if they simply put up
> > > a local 6to4 router alongside their 2001:: prefix, and populate DNS with
> > > both. Longest match will cause 2001:: connected systems to chose that dst,
> > > while 6to4 connected systems will chose 2002:: as the dst. There is no need
> > Huh?  Longest match done by web browsers and other applications?  Since 
> > when?
> FreeBSD 6 has is as part of the standard getaddrinfo() implementation.

I don't see that do any differentiation between 2001::/32, 2002::/16 
and 2000::/8; only between IPv6-mapped IPv4 addresses and various 
interface/link/site-local addresses.  And even that function has a big
 * XXX: we should standardize the functions and link them as standard
 * library.
warning stuck on top of it


        -- Niels.