[109500] in North American Network Operators' Group
Re: IPv6 routing /48s
daemon@ATHENA.MIT.EDU (Niels Bakker)
Tue Nov 25 20:23:36 2008
Date: Wed, 26 Nov 2008 02:23:26 +0100
From: Niels Bakker <niels=nanog@bakker.net>
To: nanog@nanog.org
Mail-Followup-To: nanog@nanog.org
In-Reply-To: <200811260055.mAQ0t2ug016562@drugs.dv.isc.org>
Errors-To: nanog-bounces@nanog.org
* 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.
