[Gen-art] Genart last call review of draft-ietf-i2nsf-capability-data-model-09

Dan Romascanu via Datatracker <noreply@ietf.org> Thu, 03 September 2020 09:21 UTC

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Subject: [Gen-art] Genart last call review of draft-ietf-i2nsf-capability-data-model-09
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Reviewer: Dan Romascanu
Review result: Ready with Issues

I am the assigned Gen-ART reviewer for this draft. The General Area
Review Team (Gen-ART) reviews all IETF documents being processed
by the IESG for the IETF Chair.  Please treat these comments just
like any other last call comments.

For more information, please see the FAQ at

<https://trac.ietf.org/trac/gen/wiki/GenArtfaq>.

Document: draft-ietf-i2nsf-capability-data-model-09
Reviewer: Dan Romascanu
Review Date: 2020-09-03
IETF LC End Date: 2020-09-08
IESG Telechat date: Not scheduled for a telechat

Summary:

Ready with Issues

This document defines a YANG data model for the capabilities of various NSFs in
the I2NSF framework to centrally manage the capabilities of the various NSFs.
This is a very clear and well written document, and the use cases and the
examples also help its readability. The document was already reviewed and found
READY for publication by the YANG Doctors, so I did not perform a detailed YANG
review but rather focused on the Gen-ART specific aspects. A couple of issues
should be discussed and clarified before approval.

Major issues:

Minor issues:

1. In the introduction:

> This YANG data model is based on the
   information model for I2NSF NSF capabilities
   [I-D.ietf-i2nsf-capability].

So, the YANG data model is based on [I-D.ietf-i2nsf-capability], and the YANG
module references [draft-ietf-i2nsf-nsf-monitoring-data-model-03] and
[I-D.ietf-i2nsf-sdn-ipsec-flow-protection]. However, these three documents are
listed as Informative References. Without them the document cannot be
understood and implemented, so I believe that these reference should be moved
to Normative References.

2. In the YANG module a few condition capabilities have no REFERENCEs. Where
can the semantics be found?

context-capability
acl-number
application
target
user
group
geography

Nits/editorial comments:

1. Some of the acronyms are not expanded at first occurrence (VoIP, VoLTE,
DDoS, etc. )