Re: [Idr] Éric Vyncke's Abstain on draft-ietf-idr-bgp-ext-com-registry-04: (with COMMENT)
"Eric Vyncke (evyncke)" <evyncke@cisco.com> Thu, 02 December 2021 13:45 UTC
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From: "Eric Vyncke (evyncke)" <evyncke@cisco.com>
To: Jeffrey Haas <jhaas@pfrc.org>
CC: The IESG <iesg@ietf.org>, "idr-chairs@ietf.org" <idr-chairs@ietf.org>, "draft-ietf-idr-bgp-ext-com-registry@ietf.org" <draft-ietf-idr-bgp-ext-com-registry@ietf.org>, "shares@ndzh.com" <shares@ndzh.com>, "idr@ietf.org" <idr@ietf.org>
Thread-Topic: [Idr] Éric Vyncke's Abstain on draft-ietf-idr-bgp-ext-com-registry-04: (with COMMENT)
Thread-Index: AQHX5ppqpWiXOZCPe0OcH9++HG1ptqwdnEsAgAGs0wA=
Date: Thu, 02 Dec 2021 13:44:53 +0000
Message-ID: <E163E8AF-A90A-48C2-AE26-8F412C305848@cisco.com>
References: <163835283151.8795.14542839563038532052@ietfa.amsl.com> <20211201131002.GA3039@pfrc.org>
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Subject: Re: [Idr] Éric Vyncke's Abstain on draft-ietf-idr-bgp-ext-com-registry-04: (with COMMENT)
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Jeff, First, thank you for your slides, they are common sense and useful. And I agree that once code has shipped, then there is no way to change it... I am taking this as a heads-up to be cautious about not labelling something experimental if it goes outside of labs ;-) Thank you, as well, for your other replies Regards -éric On 01/12/2021, 14:10, "Jeffrey Haas" <jhaas@pfrc.org> wrote: Éric, On Wed, Dec 01, 2021 at 02:00:32AM -0800, Éric Vyncke via Datatracker wrote: > While I am not aware of the history about the use of those "experimental" code > points and while I am aware that changing the code points in running code is an > impossible endeavour, I wonder how those code points were used in production > networks (my guess) while keeping the status of 'experimental'. I.e., the code > points 0x81 and 0x82 are noted as 'experimental' but RFC 8955 is standard > track. I am balloting ABSTAIN as I miss the history. You have all of the relevant history. Once a code point is well deployed in a protocol with a scope like BGP, it's basically a done thing. Even if there was a decision to try to move to new code points out of that range to a standards track allocation, there would be deployed implementations using the existing code points. A migration strategy would be required, and would likely not go well. A related example of where this has failed in prior BGP history are in BGP capabilities: https://www.iana.org/assignments/capability-codes/capability-codes.xhtml See capabilities 128-131. Many implementations find themselves having to support the old code points as well as the ones they moved to. > ***Bottom line for IANA/IESG: what can we learn from this apparent "mess" (I am > afraid that my limited English vocabulary is unable to find a more positive > word)?*** The IESG is encouraged to review a presentation I gave several IETFs ago on the matter. I'd suggest a form of this be integrated into the general IETF training material, perhaps through emodir. https://datatracker.ietf.org/meeting/97/materials/slides-97-idr-code-point-management-02 I'm happy to speak to the IESG at large about the issue. > I also wonder why "0x80-0x82 | First Come First Served" since this document > confirms the allocation ? What am I missing here ? The update is to change the allocation mechanism from experimental to FCFS. It opens up other allocations within those ranges to general use. -- Jeff
- [Idr] Éric Vyncke's Abstain on draft-ietf-idr-bgp… Éric Vyncke via Datatracker
- Re: [Idr] Éric Vyncke's Abstain on draft-ietf-idr… Jeffrey Haas
- Re: [Idr] Éric Vyncke's Abstain on draft-ietf-idr… Eric Vyncke (evyncke)