Paul Vixie wrote:
>> Certainly, you, as an end user, can do so.
>
> i think i could diagnose problems reported on my authority server if
> i could get a recursive name server to tell me which of my anycast
> instances it is talking to.
The problem is that the report is unreliable. As your assumption
is:
> The purpose I see in this proposal, that cannot be handled by
> the IP layer, is to tell me which anycast instance is seen
> by some recursive name server.
even you can't diagnose the problem, if what is broken is not
your server but the recursive name server used by someone who
reported the problem and you can't have access to the recursive
name server.
BTW, IP layer solution could be a recommendation on anycast
servers to use their unicast addresses as source addresses
of ICMP replies, which may be able to traverse NAT.
> there may also be some network mapping and measurement benefits
> to this proposal.
May or may not be.
Masataka Ohta
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