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[Lsr] AF in Re: I-D Action: draft-ietf-ospf-sr-yang-25.txt

tom petch <ietfc@btconnect.com> Mon, 01 January 2024 13:01 UTC

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From: tom petch <ietfc@btconnect.com>
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Thread-Topic: AF in Re: [Lsr] I-D Action: draft-ietf-ospf-sr-yang-25.txt
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Date: Mon, 01 Jan 2024 13:01:21 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/lsr/Rrv54CrwbRIq5bctmYuiLewpIZo>
Subject: [Lsr] AF in Re: I-D Action: draft-ietf-ospf-sr-yang-25.txt
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I think that the treatment of AF in this I-D needs more thought.

It is perhaps unfortunate that SR has created a new register of AF to go with those in RFC5838, RFC8349 and so on but I take that as a given from RFC8665, RFC8666.

I think that this I-D needs to spell that out
'The AF defined in this document are those defined in RFC8665, RFC8666 and not those defined in RFC5838, RFC8349 and the like.'
Well something like that!

I think that that needs to go in the YANG module as a description not sure where but probably for each leaf 'af' with references either to both RFC8665 and RFC8666 or perhaps better just to RFC8666, so that the contradiction beween the two RFC is clear.

The more complex question is what the YANG allows, or should allow.

The YANG currently allows SR-MPLS SID to be distributed by OSPFv2 with an IPv6 FEC.

I see no reason anywhere why this is not valid but is it your intention?

Tom Petch 



________________________________________
From: Lsr <lsr-bounces@ietf.org> on behalf of internet-drafts@ietf.org <internet-drafts@ietf.org>
Sent: 19 December 2023 21:41
To: i-d-announce@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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