From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: mail.toke.dk; spf=pass (mailfrom) smtp.mailfrom=irif.fr (client-ip=2001:660:3301:8000::1:2; helo=korolev.univ-paris7.fr; envelope-from=jch@irif.fr; receiver=) Received: from korolev.univ-paris7.fr (korolev.univ-paris7.fr [IPv6:2001:660:3301:8000::1:2]) by mail.toke.dk (Postfix) with ESMTPS id 2C0A385E82F for ; Tue, 6 Jul 2021 17:56:26 +0200 (CEST) Received: from mailhub.math.univ-paris-diderot.fr (mailhub.math.univ-paris-diderot.fr [81.194.30.253]) by korolev.univ-paris7.fr (8.14.4/8.14.4/relay1/82085) with ESMTP id 166FuPY8017568; Tue, 6 Jul 2021 17:56:25 +0200 Received: from mailhub.math.univ-paris-diderot.fr (localhost [127.0.0.1]) by mailhub.math.univ-paris-diderot.fr (Postfix) with ESMTP id 5E40313848; Tue, 6 Jul 2021 17:56:25 +0200 (CEST) X-Virus-Scanned: amavisd-new at math.univ-paris-diderot.fr Received: from mailhub.math.univ-paris-diderot.fr ([127.0.0.1]) by mailhub.math.univ-paris-diderot.fr (mailhub.math.univ-paris-diderot.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id Ls01Duuw-Gs6; Tue, 6 Jul 2021 17:56:23 +0200 (CEST) Received: from pirx.irif.fr (82-64-141-196.subs.proxad.net [82.64.141.196]) (Authenticated sender: jch) by mailhub.math.univ-paris-diderot.fr (Postfix) with ESMTPSA id 84A7213843; Tue, 6 Jul 2021 17:56:23 +0200 (CEST) Date: Tue, 06 Jul 2021 17:56:23 +0200 Message-ID: <87zguzo2qg.wl-jch@irif.fr> From: Juliusz Chroboczek To: Dave Taht In-Reply-To: References: <871r8cxzdj.wl-jch@irif.fr> <87wnq4wk3v.wl-jch@irif.fr> <87a6mzpvdb.wl-jch@irif.fr> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/27.1 Mule/6.0 MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (korolev.univ-paris7.fr [194.254.61.138]); Tue, 06 Jul 2021 17:56:25 +0200 (CEST) X-Miltered: at korolev with ID 60E47D29.001 by Joe's j-chkmail (http : // j-chkmail dot ensmp dot fr)! X-j-chkmail-Enveloppe: 60E47D29.001 from mailhub.math.univ-paris-diderot.fr/mailhub.math.univ-paris-diderot.fr/null/mailhub.math.univ-paris-diderot.fr/ X-j-chkmail-Score: MSGID : 60E47D29.001 on korolev.univ-paris7.fr : j-chkmail score : . : R=. U=. O=. B=0.000 -> S=0.000 X-j-chkmail-Status: Ham Message-ID-Hash: CVY2FVU3WCBP3DFLAHASZBE7FO5JD2YX X-Message-ID-Hash: CVY2FVU3WCBP3DFLAHASZBE7FO5JD2YX X-MailFrom: jch@irif.fr X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: galene@lists.galene.org X-Mailman-Version: 3.3.4 Precedence: list Subject: [Galene] Re: we broke galene head pretty badly today List-Id: =?utf-8?q?Gal=C3=A8ne_videoconferencing_server_discussion_list?= Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: > I would still rather like it if sendmmsg could be used in conjunction > with user-space sfq across the participants. This gives you natural > packet pacing, cuts write context switch time by up to a factor of 42. The actual sending of packets happens roughly 17 layers below the packet dropping and queueing logic -- recall that WebRTC falls back transparently to TURN encapsulation and even TCP when needed, and that's handled in the lower layers. But please do try your hand at it: https://github.com/pion/ice/issues/128 -- Juliusz