David Terrell <[EMAIL PROTECTED]> writes:
> > But there's no way to get everyone to have it - which means that
> > administrators will always have to add AAAA records so those people
> > can find their web server, mail server, .... And if AAAA records
> > have to exist, and resolvers will be looking for them (because no
> > way are all servers going to start supplying A6 all at once, even
> > with a fairly broad concept of the time quantum) then there's no
> > point adding A6 records at all - they'd be just one more thing that
> > has to be maintained (excess duplicate data).
>
> There's no reason why it can't be a gradual upgrade. Authoritative
> servers for zones with A6 can do AAAA synthesis at query time just
> as easily as the local non-stub resolver can. It becomes a server-side
> indirection mechanism, which is available to A6-grokking caches.
This is *wrong*.
An authoritative, non-recursive server with only A6 fragments around
can not synthesise the AAAA since that would require it to query for
missing fragments.
Johan Ihren
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