Hi Alan,

Thanks for the quick response. The planned edits seem to address all the issues 
that I raised. There are good chances that I will just say 'I am happy' when I 
will see the revised I-D.

Regards,

Dan

________________________________
From: Gen-art [gen-art-boun...@ietf.org] on behalf of Romascanu, Dan (Dan)
Sent: Tuesday, August 09, 2016 6:28 PM
To: General Area Review Team
Cc: rad...@ietf.org; draft-ietf-radext-datatypes....@tools.ietf.org
Subject: [Gen-art] Gen-ART LC review of draft-ietf-radext-datatypes-04.txt


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Document: draft-ietf-radext-datatypes-04.txt

Reviewer: Dan Romascanu

Review Date: 8/9/16

IETF LC End Date: 8/17/16

IESG Telechat date: 8/18/16



Summary:



Ready with issues.



This is an important document that tries to bring clarification to a number of 
different interpretations and recommendations around the RADIUS specifications. 
Being familiar – up to a certain point – with the history, I believe that it’s 
long due and that it will be very useful. There are however a number of issues 
which I believe need to be clarified before the document is approved by the 
IESG.



Major issues:



1.       Although the document makes the claim that it does not impact previous 
specifications and implementations, I am not sure this is completely the case. 
For example, the statement in RFC 6158, section 2.1 about ‘all other data 
formats (than the ones defined there) being NOT RECOMMENDED is obsolete by this 
document. I think that there is a need to make clear what is not longer valid 
or recommended in specifications that this document updates.

2.       This document creates a new IANA registry and updates another one. 
There is no mention however about the policy of adding new entries or making 
other modifications to the new registry. A reminder of the RADIUS Attribute 
Type registry policy would also help.



Minor issues:



1.       In section 3.5 – there is no mention that the string length is limited 
to 253 octets. This is obvious if we assume the definition of  “string” 
sticking with previous RADIUS documents, and clear by the fact that “concat” 
deals in 3.6 with transport of more than 253 octets, but for clarity I believe 
that this needs to be explicitly stated.

2.       It is not clear why the Prefix-Length value greater than 128 for 
ipv6prefix in 3.10 and greater than 32 for ipv4prefix in 3.11 need only SHOULD 
be treated as “invalid attributes”. Why not MUST? If there are exception cases 
it would be good to explain them.



Nits/editorial comments:



1.       Section 2.1.4: The paragraph that starts with ‘The “Value” field 
should be given ….’ needs to use capitalized SHOULD to be consistent with the 
paragraph that refer to the “Name” and “Format” fields.






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