Re: [quicwg/base-drafts] QUIC lacks on-path exposure of packet loss (#3189)

[Mark Nottingham <[e-mail]>]

_Chair hat on_

You have brought what appears to be a concrete proposal, but it comes extremely late in the process; we have come to consensus (in #632) not only that we won't address this in QUICv1, but also that we've [raised the bar for new issues](https://mailarchive.ietf.org/arch/msg/quic/tsm7Dln_ssvHiBSZLp7LH9x44DU) on this draft. 

The question, then, is whether this proposal counts as new information (and note that the late-stage process consensus call lists the primary types of new information as "security and interoperability impact"). Given not only that higher bar but also that so many participants considered this a settled question, I want to consult with @larseggert about how we should triage this issue, and _if_ we accept it as a new design issue, how the discussion should commence.

Until then, there's no need for WG participants to weigh in on this; please use your time to work on other issues and your implementations.

P.S. You [mentioned this work](https://mailarchive.ietf.org/arch/msg/quic/FL_6Qxrz-RejKlBpGLxdnivPK5Q) in the IETF105 timeframe (and presented to other groups then), but did not make it clear that it was a proposal for QUIC -- @igorlord's words on list were "The draft is not targeted at the QUIC WG specifically". We took you at your word and did not give your draft time in the meeting then; that's a shame, because if you had been more forthcoming, we would have had more options to evaluate this work.


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