On Wed, 28 Nov 2001 [EMAIL PROTECTED] wrote:
> Title : IPv6 Stateless DNS Discovery
> Author(s) : D. Thaler, J. Hagino
> Filename : draft-ietf-ipngwg-dns-discovery-03.txt
> Pages : 12
> Date : 27-Nov-01
>
> This document specifies the steps a host takes in deciding how to
> autoconfigure information (other than the host's name itself)
> required for name resolution in IP version 6. The
> autoconfiguration process includes determining whether such
> information should be obtained through the stateless mechanism,
> the stateful mechanism, or both.
--8<--
Prefix String
----------------- --------------------------------------
fec0:0:0:1::/64 fec0_0000_0000_0001.local.arpa
3ffe:ffff:0:1234::/64 3ffe_ffff_0000_1234.local.arpa
fe80::/64 fe80_0000_0000_0000.local.arpa
Table 2: Example queries
--8<--
Why do you suggest illegal DNS strings? Why not use a dash or a dot?
Further, numerical representation is not very powerful; it may be
that there is no need for all the flexibility though. Consider a site
which has a /48 prefix with (2^16)/2 subnets (sequantially) which would
use server 1 and the rest would use server 2:
Now you would have to generate 2^16/2 entries like:
3ffe:ffff:0:0::/64 3ffe_ffff_0000_0000.local.arpa
3ffe:ffff:0:1::/64 3ffe_ffff_0000_0001.local.arpa
3ffe:ffff:0:2::/64 3ffe_ffff_0000_0002.local.arpa
[...]
3ffe:ffff:0:7fff::/64 3ffe_ffff_0000_7fff.local.arpa
and a wildcard which would match the rest.
In real world, this should be doable with one 3ffe:ffff:0:0::/49 entry.
There are more "realistic" applications of this too.
Why wouldn't this be done as with ip6.int or ip6.arpa?
--
Pekka Savola "Tell me of difficulties surmounted,
Netcore Oy not those you stumble over and fall"
Systems. Networks. Security. -- Robert Jordan: A Crown of Swords
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