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Re: [tsvwg] L4S and the detection of RFC3168 AQMs

"C. M. Heard" <heard@pobox.com> Fri, 11 December 2020 20:09 UTC

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From: "C. M. Heard" <heard@pobox.com>
Date: Fri, 11 Dec 2020 12:09:21 -0800
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To: Martin Duke <martin.h.duke@gmail.com>
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Subject: Re: [tsvwg] L4S and the detection of RFC3168 AQMs
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On Fri, Dec 11, 2020 at 11:51 AM Martin Duke <martin.h.duke@gmail.com>
wrote:

> This falls under the "much easier to do in other transports" category,
> where I could just send a PING or HEARTBEAT marked ECT(0) to test the queue
> in mid-connection, without affecting the latency of anything that matters.
> But in the TCP case, I'm not sure how to resolve Bob's second objection
> (running ECT(0) for a long time would be unacceptable).
>

Could zero-length TCP segments be used instead of PING or HEARTBEAT?

Mike Heard

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