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Re: EDNS0 revisions

To: Florian Weimer <fw@deneb.enyo.de>
Subject: Re: EDNS0 revisions
From: Paul Vixie <paul@vix.com>
Date: Fri, 21 Dec 2007 17:05:04 +0000
Cc: namedroppers@ops.ietf.org
In-reply-to: Your message of "Fri, 21 Dec 2007 17:37:09 +0100." <87d4t057ii.fsf@mid.deneb.enyo.de>
References: <1519.1198248144@sa.vix.com> <87d4t057ii.fsf@mid.deneb.enyo.de>

> Is it likely that change #2 runs into the same problem as described under
> #3?  In that case, probing might be infeasible due to combinatorial
> explosion.

i don't think we should word it that way.  if someone response SERVFAIL or
NOTIMP then we don't need to care whether it's because of an unrecognized
OPTION-CODE or because they don't understand EDNS at all.  either way we'd
fall back to non-EDNS.

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References:
- EDNS0 revisions
  - From: Paul Vixie <paul@vix.com>
- Re: EDNS0 revisions
  - From: Florian Weimer <fw@deneb.enyo.de>

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