Re: [idn] Requirements: caching servers

[bill@mail.nic.nu (J. William Semich)]

At 12:11 AM 2/3/00 +0100, Harald Tveit Alvestrand wrote:
><start propsed text>
>A caching server MUST NOT return data in response to a query that would
>not have been returned if the same query had been presented to the origin
>server. This applies fully for the cases when:
>
>- The caching server does not know about iDNS (that is, old servers)
>- The caching server implements the whole specification
>- The caching server implements a legal subset of the specification
><end proposed text>
>
>It's not totally unthinkable that there could be a time when:
>
>- An origin server implementing an iDNS would return the same answer for
>   queries on "Å" and "å" (A-ring and a-ring)
>- A cache server would not know to fold case on these, so would forward
>   a query for "Å" even if it had a cached entry for "å"
>- The overall system would still work, seen from the user.

Yes - this is exactly how it *should* be ... and is totally "thinkable" 

Bill Semich
Bill Semich
President and Founder
.NU Domain Ltd
http://whats.nu
bill@mail.nic.nu