[iccrg] Re: [CCWG] Re: [tsvwg] [Call for partici pation] IETF 126 Hackathon on Testing Congestion Control and Qu eue Management Mechanisms
Robert McMahon <[email protected]> Sat, 4 Jul 2026 14:33:55 -0700
| Newsgroups | gmane.ietf.irtf.iccrg,gmane.ietf.tsvwg |
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| Message-ID | <CAEBrVk6M5twmhy_1mfTLT5z2dBzmfAF-kVYX11UqVot9tg7KOQ@mail.gmail.com> |
--===============2720076608612222153== Content-Type: multipart/alternative; boundary="00000000000001e58b0655cfcdfd" --00000000000001e58b0655cfcdfd Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable I'd suggest adding Wi-Fi to the test matrix, with 802.11 MAC behavior as an independent variable. Aggregation, retries, and EDCA queuing interact with transport CC and AQM in ways wired tests won't expose. Over-the-air testing (e.g. the meeting APs) is useful but hard to repeat. For controlled runs, here's a writeup on driving 802.11 MAC conditions with a conducted rig: https://www.umbernetworks.com/umber-devel-test-rig.html Bob On Sat, Jul 4, 2026 at 2:02=E2=80=AFPM Livingood, Jason <Jason_Livingood=3D [email protected]> wrote: > If you are looking for some fun extensions to this - perhaps consider > testing these AQMs on the APs that the IETF meeting network uses, as I > would love to see AQM in those APs. > > Also, perhaps test Meetecho using L4S via libwebrtc in Chromium. The > ultimate test for me is how much delay is there when someone plays a vide= o > in Meetecho in a meeting and it comes through so choppy and delayed - see= ms > like a prime candidate for AQM and L4S to improve. > > JL > > *From: *Mohit P. Tahiliani <[email protected]> > *Date: *Saturday, July 4, 2026 at 11:50 > *To: *[email protected] <[email protected]>; [email protected] < > [email protected]>; [email protected] <[email protected]>; [email protected] < > [email protected]> > *Subject: *[tsvwg] [Call for participation] IETF 126 Hackathon on Testing > Congestion Control and Queue Management Mechanisms > > Hi all, > > We are planning to work on "Testing Congestion Control and Queue > Management Mechanisms" at the IETF 126 Hackathon in Vienna on 18-19 July > 2026. > > Our primary goal is to test congestion control and queue management > proposals currently being discussed in the CCWG, TSVWG, ICCRG, and relate= d > groups. > > We are looking for participants from academia, industry, and the broader > Internet community who are interested in congestion control and queue > management testing. > > Potential tasks include, but are not be limited to: > * Performance evaluation of FQ-CoDel and FQ-PIE in mobile hotspot scenari= os > * Testing the integration of picoquic with ns-3 > * Developing a NeST-based congestion control evaluation suite compliant > with RFC 9743 > * Developing an example demonstrating the implementation of a rate-limite= d > sender in ns-3 > > More details are available here: > > https://wiki.ietf.org/en/meeting/126/hackathon#testing-congestion-control= -and-queue-management-mechanisms > <https://urldefense.com/v3/__https://wiki.ietf.org/en/meeting/126/hackath= on*testing-congestion-control-and-queue-management-mechanisms__;Iw!!CQl3mcH= X2A!AXw-0N4r8hMgKaXVMwdvERG1W3yISAtMcYThMomTidFIOznUJADHXXuK6t40m_ckLceEUkU= Voq-NzIOs34L8F71-kfNsmBb2GISMFw$> > > If you are interested in joining us for this hackathon, please let us kno= w. > > Thanks and Regards, > Mohit P. Tahiliani > -- > CCWG mailing list -- [email protected] > To unsubscribe send an email to [email protected] > --00000000000001e58b0655cfcdfd Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div dir=3D"ltr"><p class=3D"gmail-font-claude-response-bo= dy gmail-break-words gmail-whitespace-normal">I'd suggest adding Wi-Fi = to the test matrix, with 802.11 MAC behavior as an independent variable. Ag= gregation, retries, and EDCA queuing interact with transport CC and AQM in = ways wired tests won't expose.</p> <p class=3D"gmail-font-claude-response-body gmail-break-words gmail-whitesp= ace-normal">Over-the-air testing (e.g. the meeting APs) is useful but hard = to repeat. For controlled runs, here's a writeup on driving 802.11 MAC = conditions with a conducted rig: <a class=3D"gmail-underline gmail-underlin= e gmail-underline-offset-2 gmail-decoration-1 gmail-decoration-current/40 g= mail-hover:decoration-current gmail-focus:decoration-current" href=3D"https= ://www.umbernetworks.com/umber-devel-test-rig.html">https://www.umbernetwor= ks.com/umber-devel-test-rig.html</a></p> <p class=3D"gmail-font-claude-response-body gmail-break-words gmail-whitesp= ace-normal">Bob</p></div><br><div class=3D"gmail_quote gmail_quote_containe= r"><div dir=3D"ltr" class=3D"gmail_attr">On Sat, Jul 4, 2026 at 2:02=E2=80= =AFPM Livingood, Jason <Jason_Livingood=3D<a href=3D"mailto:40comcast.co= [email protected]">[email protected]</a>> wrote:<br></div><blo= ckquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left= :1px solid rgb(204,204,204);padding-left:1ex"> <div> <div style=3D"direction:ltr;font-family:Aptos,Arial,Helvetica,sans-serif;fo= nt-size:14pt;color:rgb(0,0,0)"> If you are looking for some fun extensions to this - perhaps consider testi= ng these AQMs on the APs that the IETF meeting network uses, as I would lov= e to see AQM in those APs.=C2=A0</div> <div style=3D"direction:ltr;font-family:Aptos,Arial,Helvetica,sans-serif;fo= nt-size:14pt;color:rgb(0,0,0)"> <br> </div> <div style=3D"direction:ltr;font-family:Aptos,Arial,Helvetica,sans-serif;fo= nt-size:14pt;color:rgb(0,0,0)"> Also, perhaps test Meetecho using L4S via libwebrtc in Chromium. The ultima= te test for me is how much delay is there when someone plays a video in Mee= techo in a meeting and it comes through so choppy and delayed - seems like = a prime candidate for AQM and L4S to improve.=C2=A0</div> <div style=3D"direction:ltr;font-family:Aptos,Arial,Helvetica,sans-serif;fo= nt-size:14pt;color:rgb(0,0,0)"> <br> </div> <div style=3D"direction:ltr;font-family:Aptos,Arial,Helvetica,sans-serif;fo= nt-size:14pt;color:rgb(0,0,0)"> JL</div> <div style=3D"direction:ltr;font-family:Aptos,Arial,Helvetica,sans-serif;fo= nt-size:14pt;color:rgb(0,0,0)"> <br> </div> <div id=3D"m_4634719523755951919mail-editor-reference-message-container"> <div style=3D"direction:ltr"> </div> <div style=3D"padding:3pt 0in 0in;border-width:1pt medium medium;border-sty= le:solid none none;border-color:rgb(181,196,223) currentcolor currentcolor"= > <div style=3D"text-align:left;font-family:Aptos;font-size:12pt;color:black"= > <b>From: </b>Mohit P. Tahiliani <tahiliani=3D<a href=3D"mailto:40nitk.ed= [email protected]" target=3D"_blank">[email protected]</a>>= <br> <b>Date: </b>Saturday, July 4, 2026 at 11:50<br> <b>To: </b><a href=3D"mailto:[email protected]" target=3D"_blank">hackatho= [email protected]</a> <<a href=3D"mailto:[email protected]" target=3D"_blank">= [email protected]</a>>; <a href=3D"mailto:[email protected]" target=3D"_bla= nk">[email protected]</a> <<a href=3D"mailto:[email protected]" target=3D"_blank= ">[email protected]</a>>; <a href=3D"mailto:[email protected]" target=3D"_blank= ">[email protected]</a> <<a href=3D"mailto:[email protected]" target=3D"_blank= ">[email protected]</a>>; <a href=3D"mailto:[email protected]" target=3D"_blan= k">[email protected]</a> <<a href=3D"mailto:[email protected]" target=3D"_blan= k">[email protected]</a>><br> <b>Subject: </b>[tsvwg] [Call for participation] IETF 126 Hackathon on Test= ing Congestion Control and Queue Management Mechanisms<br> <br> </div> </div> <div style=3D"direction:ltr"> Hi all,<br> <br> We are planning to work on "Testing Congestion Control and Queue Manag= ement Mechanisms" at the IETF 126 Hackathon in Vienna on 18-19 July 20= 26.<br> <br> Our primary goal is to test congestion control and queue management proposa= ls currently being discussed in the CCWG, TSVWG, ICCRG, and related groups.= <br> <br> We are looking for participants from academia, industry, and the broader In= ternet community who are interested in congestion control and queue managem= ent testing.<br> <br> Potential tasks include, but are not be limited to:<br> * Performance evaluation of FQ-CoDel and FQ-PIE in mobile hotspot scenarios= <br> * Testing the integration of picoquic with ns-3<br> * Developing a NeST-based congestion control evaluation suite compliant wit= h RFC 9743<br> * Developing an example demonstrating the implementation of a rate-limited = sender in ns-3<br> <br> More details are available here:<br> <a href=3D"https://urldefense.com/v3/__https://wiki.ietf.org/en/meeting/126= /hackathon*testing-congestion-control-and-queue-management-mechanisms__;Iw!= !CQl3mcHX2A!AXw-0N4r8hMgKaXVMwdvERG1W3yISAtMcYThMomTidFIOznUJADHXXuK6t40m_c= kLceEUkUVoq-NzIOs34L8F71-kfNsmBb2GISMFw$" target=3D"_blank">https://wiki.ie= tf.org/en/meeting/126/hackathon#testing-congestion-control-and-queue-manage= ment-mechanisms</a><br> <br> If you are interested in joining us for this hackathon, please let us know.= <br> <br> Thanks and Regards,<br> Mohit P. Tahiliani</div> </div> </div> -- <br> CCWG mailing list -- <a href=3D"mailto:[email protected]" target=3D"_blank">ccw= [email protected]</a><br> To unsubscribe send an email to <a href=3D"mailto:[email protected]" targ= et=3D"_blank">[email protected]</a><br> </blockquote></div></div> --00000000000001e58b0655cfcdfd-- --===============2720076608612222153== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KaWNjcmcgbWFp bGluZyBsaXN0IC0tIGljY3JnQGlydGYub3JnClRvIHVuc3Vic2NyaWJlIHNlbmQgYW4gZW1haWwg dG8gaWNjcmctbGVhdmVAaXJ0Zi5vcmcK --===============2720076608612222153==--