[CCWG] Re: [iesg] Re: Éric Vyncke's Discuss on draft-ietf-ccwg-ratelimited-increase-06: (with DISCUSS and COMMENT)
"Eric Vyncke (evyncke)" <evyncke@cisco.com> Wed, 05 August 2026 09:41 UTC
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From: "Eric Vyncke (evyncke)" <evyncke@cisco.com>
To: Gorry Fairhurst <gorry@erg.abdn.ac.uk>, The IESG <iesg@ietf.org>
Thread-Topic: [iesg] Re: Éric Vyncke's Discuss on draft-ietf-ccwg-ratelimited-increase-06: (with DISCUSS and COMMENT)
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Date: Wed, 05 Aug 2026 09:41:02 +0000
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Subject: [CCWG] Re: [iesg] Re: Éric Vyncke's Discuss on draft-ietf-ccwg-ratelimited-increase-06: (with DISCUSS and COMMENT)
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Hello Gorry and authors, I have elided some text of the original email to allow focus on the text under DISCUSSion. See below for EV> (sorry my corporate MacOS Outlook does not allow easy indenting) Regards -éric From: Gorry Fairhurst <gorry@erg.abdn.ac.uk> Date: Monday, 3 August 2026 at 18:16 To: Eric Vyncke (evyncke) <evyncke@cisco.com>; The IESG <iesg@ietf.org> Cc: ccwg-chairs@ietf.org <ccwg-chairs@ietf.org>; ccwg@ietf.org <ccwg@ietf.org>; draft-ietf-ccwg-ratelimited-increase@ietf.org <draft-ietf-ccwg-ratelimited-increase@ietf.org>; ietf@tenghardt.net <ietf@tenghardt.net> Subject: [iesg] Re: Éric Vyncke's Discuss on draft-ietf-ccwg-ratelimited-increase-06: (with DISCUSS and COMMENT) On 03/08/2026 09:04, Éric Vyncke via Datatracker wrote: > Éric Vyncke has entered the following ballot position for > draft-ietf-ccwg-ratelimited-increase-06: Discuss > > ### Section 3.2.1 > > Why not a "MUST" (or lowercase "should") in `Therefore, congestion control > algorithms SHOULD implement a behavior that is equivalent to Rate-Limited > Increase, irrespective of whether they use a cwnd variable or not.` See also > the IESG statement about providing guidance when SHOULD is used > https://datatracker.ietf.org/doc/statement-iesg-statement-on-clarifying-the-use-of-bcp-14-key-words/ Yes, good catch. Rate-based congestion control is more difficult to define than other approaches, but this text can be strengthened. We suggest: "Rate-based congestion control algorithms MUST NOT result in an unconstrained situation where a sender would increase the maximum permitted rate even when there is no additional application data to send. This behavior SHOULD be equivalent to Rate-Limited Increase, irrespective of whether an algorithm uses a cwnd variable or not." - If that looks like acceptable text, the editors will roll a new revision of the draft for you to review, EV> Alas no, as I still fail to see what will happen if the SHOULD is bypassed (if there is any interoperability issue).
- [CCWG] Éric Vyncke's Discuss on draft-ietf-ccwg-r… Éric Vyncke via Datatracker
- [CCWG] Re: Éric Vyncke's Discuss on draft-ietf-cc… Gorry Fairhurst
- [CCWG] Re: [iesg] Re: Éric Vyncke's Discuss on dr… Eric Vyncke (evyncke)
- [CCWG] Re: [iesg] Re: Éric Vyncke's Discuss on dr… Gorry Fairhurst
- [CCWG] Re: [iesg] Re: Éric Vyncke's Discuss on dr… Eric Vyncke (evyncke)