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Re: [secdir] secdir review of draft-ietf-idnabis-rationale-13.txt

John C Klensin <klensin@jck.com> Tue, 06 October 2009 02:19 UTC

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Date: Mon, 05 Oct 2009 22:20:33 -0400
From: John C Klensin <klensin@jck.com>
To: "\"Martin J. Dürst\"" <duerst@it.aoyama.ac.jp>, Vint Cerf <vint@google.com>
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Cc: idna-update@alvestrand.no, iesg@ietf.org, secdir@ietf.org
Subject: Re: [secdir] secdir review of draft-ietf-idnabis-rationale-13.txt
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--On Tuesday, October 06, 2009 10:27 +0900 "\"Martin J.
Dürst\"" <duerst@it.aoyama.ac.jp> wrote:

> I think what Charlie means is that there may be entries in the
> domain name system that are completely binary, and that it
> would be inappropriate for IDNA to prohibit such entries. I
> think this is okay, because the flagged text refers to
> U-Labels, not binary data in general.

IDNA doesn't -- it applies only to IDNA-aware and -conformant
systems and name lookups which, by definition, do not involve
binary labels.

    john

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