[spring] Ben Campbell's No Objection on draft-ietf-spring-segment-routing-central-epe-07: (with COMMENT)

Ben Campbell <ben@nostrum.com> Thu, 14 December 2017 04:00 UTC

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Subject: [spring] Ben Campbell's No Objection on draft-ietf-spring-segment-routing-central-epe-07: (with COMMENT)
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Ben Campbell has entered the following ballot position for
draft-ietf-spring-segment-routing-central-epe-07: No Objection

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COMMENT:
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Substantive Comments:

- General: The purpose of this draft is not clear. It claims to describe a
solution in places. It's not clear to me if this is a "solution", a set of
requirements, or a general exploration of the design possibilities. The
shepherd writeup doesn't really help, since it explicitly says this draft
describes a "solution", which is usually more of a standards track thing.  I
don't mean to say that I think it should not be informational, but a
description of _why_ it's informational (in the draft itself) would be helpful.
(This is further confused by the heavy use of language like "might", "could
be", "likely", etc. throughout parts of the draft.)

 - Requirements Language: The 2119 keywords in this draft are not used in the
 sense of RFC 2119. That RFC talks explicitly about interoperability among
 protocol implementations. This draft uses them to define requirement for
 protocol and architecture design. That's not necessarily a problem, but please
 change the Requirements Language section to describe the actual usage.

-10: The security considerations are entirely made up of citations to the
underlying technology drafts. It should also talk about whether there are new
security considerations introduced by there use in the context of this draft.
Even if the answer is that there aren't any, it would be helpful to describe
the thought processes that lead to that conclusion.

Editorial Comments and Nits:

- 1: The introduction is not really an introduction. I expected to find a
description of the purpose of the draft, but all there is is a description of
the draft structure. -- Please expand "SID" on first mention.

-2, first paragraph: missing article before "BGP-EPE capable node"

-4.6: I can't parse the first sentence.