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Re: [Idr] draft-dong-idr-node-target-ext-comm-05.txt - WG Adoption and IPR call (9/27 to 10/11/2022)

tom petch <ietfc@btconnect.com> Thu, 29 September 2022 08:23 UTC

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From: tom petch <ietfc@btconnect.com>
To: Susan Hares <shares@ndzh.com>, "idr@ietf.org" <idr@ietf.org>
CC: "Van De Velde, Gunter (Nokia - BE/Antwerp)" <gunter.van_de_velde@nokia.com>
Thread-Topic: [Idr] draft-dong-idr-node-target-ext-comm-05.txt - WG Adoption and IPR call (9/27 to 10/11/2022)
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Date: Thu, 29 Sep 2022 08:22:59 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/idr/NicNw8H9FIw5QEN2zVG6AttOC_I>
Subject: Re: [Idr] draft-dong-idr-node-target-ext-comm-05.txt - WG Adoption and IPR call (9/27 to 10/11/2022)
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From: Idr <idr-bounces@ietf.org> on behalf of Susan Hares <shares@ndzh.com>
Sent: 27 September 2022 18:30

This begins a 2 week WG adoption and IPR call for draft-dong-idr-node-target-ext-comm-05.txt.
https://datatracker.ietf.org/doc/draft-dong-idr-node-target-ext-comm/

<tp>
The protocol depends in part on whether or not a router is an ASBR.  I am used to seeing that term used in the context of OSPF and not of BGP.  I did find a usage in RFC7705 but note that that RFC felt it necessary to explain what an ASBR was.  Is the term ASBR well-understood in the context of BGP (as opposed to OSPF)?

I find the IANA Considerations imprecise.  It asks for a new sub-type in a registry whose name is not present in IANA; there is one that is close (but no cigar).  

Likewise, it talks of 'registry of the "BGP Extended Communities"  registry'.  This is wrong on two counts.  A registry is part of a registry group, not part of a registry (prior to recent discussions on the Last Call list I would have just said 'group').  Second, there are no BGP registry groups and that identifier does not appear anywhere on the IANA website AFAICT.

Tom Petch

The authors should respond to this email with an IPR statement.

The WG should consider in their discussion:
1) Will this new  transitive extended community help
in operational networks?

2) What conflicts does this new Extended Community have
with other functions in general BGP route distribution or
VPNs (EVPN, IPVPN)?

3) do you have any concern about the text in the draft?

Cheerily, Sue

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