IPv6 routing /48s

Mohacsi Janos mohacsi at niif.hu
Wed Nov 26 09:22:12 CST 2008



On Wed, 26 Nov 2008, Mark Andrews wrote:

>
> Mark Andrews writes:
>>
>> In message <20081126002425.GO78345 at burnout.tpb.net>, Niels Bakker writes:
>>> * alh-ietf at tndh.net (Tony Hain) [Wed 26 Nov 2008, 01:03 CET]:
>>>> In any case, content providers can avoid the confusion if they simply put
>>  u
>>> p
>>>> 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.
>>
>> % grep -r in6_addrpolicy /usr/src/lib/libc
>> /usr/src/lib/libc/net/getaddrinfo.c:    struct in6_addrpolicy pc_policy;
>> /usr/src/lib/libc/net/getaddrinfo.c:    struct in6_addrpolicy *pol, *ep;
>> /usr/src/lib/libc/net/getaddrinfo.c:    ep = (struct in6_addrpolicy *)(buf +
>> l);
>> /usr/src/lib/libc/net/getaddrinfo.c:    for (pol = (struct in6_addrpolicy *)b
>> uf; pol + 1 <= ep; pol++) {
>> /usr/src/lib/libc/net/getaddrinfo.c:    struct in6_addrpolicy *pol;
>> /usr/src/lib/libc/net/name6.c:  struct in6_addrpolicy pc_policy;
>> /usr/src/lib/libc/net/name6.c:  struct in6_addrpolicy *pol, *ep;
>> /usr/src/lib/libc/net/name6.c:  ep = (struct in6_addrpolicy *)(buf + l);
>> /usr/src/lib/libc/net/name6.c:  for (pol = (struct in6_addrpolicy *)buf; pol
>> + 1 <= ep; pol++) {
>> /usr/src/lib/libc/net/name6.c:  struct in6_addrpolicy *pol;
>> %
>
> 	And it was added on 30-Oct-03 according to CVS.

And it was not imported to any MacOS X yet....

Regards,
 		Janos




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