> > In any
> > case, the only way a DNS server should return a SL in a response is if
> > the query was received on a SL. This is the only reasonable way for the
> > server to know if the answer is usable.
>
> it doesn't work in general, because the query could be from a cache
> that doesn't know anything about SL.
>
> putting limited-scope addrs in DNS is a Bad Idea, period.
No.
Putting limited-scope addrs in DNS is a bad idea *unless*
you have a way to uniquely identify the scope.
Neither AAAA or A6 provide support for this. I made a proposal
that would have added this to A6 *before* there was any A6
deployment. It got totally ignored by the IPv6 community (with
the exception of Matt).
Now might be a good time to raise the idea again except I won't
tie it to A6.
<ownername> SA <IPV6 address> <scopename>
SA scoped address
scopename is a domainname choosen to be globally unique.
global addresses have a scopename of ".".
the conversion from scopename to scopeid / zoneid is a
*local* resolution problem for the machine.
Mark
>
> Keith
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