On Aug 9, 2016, at 5:28 PM, Romascanu, Dan (Dan) <droma...@avaya.com> wrote: > 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.
As noted in the document, implementations have already chosen data types for all existing attributes. I haven't seen any conflicting data types. i.e. all implementations seem to have made the same choices. The document updates previous specifications, most notably where the specifications are inconsistent and/or wrong. So it does impact previous specifications, but only to codify standard corrections. Which (as noted above) all implementations have already fixed in practice. > 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 formats (than the ones defined there) being NOT RECOMMENDED is obsolete by 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 Maybe this works: This document updates [RFC6158] to permit the data types defined in the "Data Type Registry" as "basic data types", as per Section 2.1 of that document. The recommendations of [RFC6158] are otherwise unchanged. I think that should clarify the issue. > 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. The -06 rev has the following text: 4.1. Create a Data Type Registry This section defines a new RADIUS registry, called "Data Type". Allocation in this registry requires IETF Review. The "Registration Procedures" for this registry are "Standards Action". Which I think satisfies your concern. > 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. Yes and no. RFC 6929 allows for extended attributes to carry more than 253 octets of data. The same comment applies to attributes of type "text". I'll add some text clarifying this. > 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. The text was mostly taken from previous standards. I'm OK with it being a MUST. > 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. Fixed, thanks. Alan DeKok.
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