secdir review of draft-ietf-idnabis-rationale-13.txt

John C Klensin klensin at
Tue Oct 6 04:20:33 CEST 2009

--On Tuesday, October 06, 2009 10:27 +0900 "\"Martin J.
Dürst\"" <duerst at> 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.


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