[EMAIL PROTECTED] wrote:
Not to pick on James' post, but several have mentioned that
large routing realms would be one reason to require ULA-G/C
and it has not yet been suggested that the reverse DNS could
itself be thought of as a "large routing realm" of sorts
(depending on how applications use the information they find
there). ULA-G/C would ideally allow collision-free population
of the reverse DNS even with O(10^6) or more delegations.
Not to pick on Fred's post, but making local reverse DNS globally
accessible is not recommended. It exposes information which is
better kept private. Fred believes that it will make for
seamless integration when two organizations decide to merge their
local networks. It would probably make the reverse DNS aspect of
such a merger more seamless, but it certainly won't make any
other aspect any easier. Given that considerable planning will
go into all the other aspects of such a merger (securing the virtual
connections, bypassing just the right amount of firewalling,
provisioning backup links), the effort saved on making reverse DNS
work seems negligible. -- George Mitchell
So it sounds to me like this particular application, at least in your
case, would be better served by ULA-L. However, there are lots of other
applications, that don't involve enterprise mergers, but private
internetworking, that would benefit from the ability to get globally
registered ULA-G space and delegate ip6.arpa DNS authority to globally
reachable DNS servers.
I still trust my computer's random number generator more than a
centrally-operated entity. -- George Mitchell
Then you definitely should stick with ULA-L, but I hope you won't deny
others the opportunity to get globally registered private addresses for
situations they consider appropriate.
-Scott
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