Re: [tsvwg] L4S and the detection of RFC3168 AQMs
Martin Duke <martin.h.duke@gmail.com> Fri, 11 December 2020 21:10 UTC
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From: Martin Duke <martin.h.duke@gmail.com>
Date: Fri, 11 Dec 2020 13:10:36 -0800
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To: "C. M. Heard" <heard@pobox.com>
Cc: TSVWG <tsvwg@ietf.org>
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Subject: Re: [tsvwg] L4S and the detection of RFC3168 AQMs
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My understanding of 3168 is that only in-window data packets are marked ECT(0). A zero-length segment is a equivalent to a pure ACK, which is not marked. On Fri, Dec 11, 2020 at 12:09 PM C. M. Heard <heard@pobox.com> wrote: > 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 >
- [tsvwg] L4S and the detection of RFC3168 AQMs alex.burr@ealdwulf.org.uk
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs Greg White
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs Bob Briscoe
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs Martin Duke
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs C. M. Heard
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs Martin Duke
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs Black, David
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs Martin Duke
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs alex.burr@ealdwulf.org.uk
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs Scheffenegger, Richard
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs Bob Briscoe
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs Martin Duke
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs Bob Briscoe
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs Bob Briscoe
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs Bob Briscoe
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs alex.burr@ealdwulf.org.uk
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs alex.burr@ealdwulf.org.uk
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs Bob Briscoe
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs Bob Briscoe
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs Bob Briscoe
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs Martin Duke
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs alex.burr@ealdwulf.org.uk
- Re: [tsvwg] L4S and the detection of RFC3168 AQMs alex.burr@ealdwulf.org.uk