I have been selected as the General Area Review Team (Gen-ART)
reviewer for this draft (for background on Gen-ART, please see
http://www.alvestrand.no/ietf/gen/art/gen-art-FAQ.html).

Please resolve these comments along with any other Last Call 
comments you may receive.


Document: draft-ietf-dnsext-nsec3-10
Reviewer: Pasi Eronen
Review Date: 18 May 2007
IETF LC End Date: 23 May 2007
IESG Telechat date: 24 May 2007

Summary: This draft is basically ready for publication, but has 
nits that should be fixed before publication.

Comments:

This is a very complex document, and quite difficult to understand for
someone who's not intimately familiar with the existing DNSSEC specs
(like myself). Thus, my review is quite superficial...

Some minor suggestions for improvement:

1) This document creates a new registry for NSEC3 RR hash algorithms.
Is there a reason why the existing registry for DS RR hash algorithms
can't be used?

2) Section 10.1: it would be useful to give a numerical example of
what the maximum length is (for say, "foo.example.com" zone and SHA-1),
instead of just saying "it depends".

3) Appendix A: it would be useful if the example zone contained
a list of hashes-vs-names as comments (they're included later
in the example queries/answers, but wouldn't hurt repeating them...).

4) Section C.1 seems to be in wrong place. Given its location, I 
would expect to find only some background information, not sentences
containing MUST or SHOULD keywords. Probably this should be somewhere
earlier in the document?

5) I found Section C.2.3 very confusing. It's not clear whether this
section describes a feature of the protocol, or a feature that was
proposed but was not included (and design rationale why not). Either
way, this section needs clarification.

Best regards,
Pasi


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