a) I think that the treatment of SID index/label in this I-D needs more 
explanation.

The I-D rightly says that this is either a 3-octet index or 4-octet label but 
fails to say how the three octets are mapped into a YANG type uint32.  The 
information is in RFC8665 but it took me a while to find it.  I think that it 
needs repeating in this I-D with a reference to RFC8665.

Slightly harder is where to put this.  I think that it needs to be in the YANG 
module as a description. Trouble is, there are lots of uint32 where this is 
relevant.  Now if SID were a YANG derived type .....

b) the I-D does not use the same name for bits as RFC8665 does.  Where this 
happens, then I think there should be an explanation e.g.
identity lo-bit
description ' this bit is referred to as the L-flag in RFC8665 section 5.

c) section 1.1 is out of date

d) CODE BEGINS 
I think better as a new paragraph for ease of reference; I see this as common 
practive

e) leaf mt-id
if the only valid values are 0 to 127, then this could use a YANG range to 
reflect that

f) range-size
likewise if this must be greater than zero, thrm the YANG could reflect that. 
It could  even be a derived type to avoid repetition

Tom Petch


From: Lsr <lsr-boun...@ietf.org> on behalf of internet-dra...@ietf.org 
<internet-dra...@ietf.org>
Sent: 19 December 2023 21:41
To: i-d-annou...@ietf.org
Cc: lsr@ietf.org
Subject: [Lsr] I-D Action: draft-ietf-ospf-sr-yang-25.txt

Internet-Draft draft-ietf-ospf-sr-yang-25.txt is now available. It is a work
item of the Link State Routing (LSR) WG of the IETF.

   Title:   A YANG Data Model for OSPF Segment Routing for the MPLS Data Plane
   Authors: Yingzhen Qu
            Acee Lindem
            Jeffrey Zhang
            Ing-Wher Chen
   Name:    draft-ietf-ospf-sr-yang-25.txt
   Pages:   46
   Dates:   2023-12-19

Abstract:

   This document defines a YANG data module that can be used to
   configure and manage OSPF Extensions for Segment Routing for the MPLS
   data plane.

The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-ospf-sr-yang/

There is also an HTML version available at:
https://www.ietf.org/archive/id/draft-ietf-ospf-sr-yang-25.html

A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-ospf-sr-yang-25

Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts


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