* Mark_Andrews@isc.org (Mark Andrews) [Wed 26 Nov 2008, 01:55 CET]:
>> * 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 ne
ed
>> 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
2002::/16 vs non 2002::/16 should be in the policy table.
This is the default prefer ipv6 policy table for FreeBSD
6.4-PRERELEASE. There is also a alternate prefer ipv4 policy
table that will be set if IPv6 is disabled.
Prefix Prec Label Use
::1/128 50 0 0
::/0 40 1 4997
2002::/16 30 2 0
::/96 20 3 0
::ffff:0.0.0.0/96 10 4 0
Mark