From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt1-x835.google.com (mail-qt1-x835.google.com [IPv6:2607:f8b0:4864:20::835]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 6F94C3BA8E; Sat, 16 Mar 2019 00:51:23 -0400 (EDT) Received: by mail-qt1-x835.google.com with SMTP id z17so12480789qtn.4; Fri, 15 Mar 2019 21:51:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=PXEiSG0U/9L1hHeoyh4/0+8p5Ls69jyHZbU66Dk1NbY=; b=bhdUF64Lu8GfrpnncFBpgsX3LdaAFAtCGYPSsiMPJGoHE9LzES7YXdXvGZQ2xeUrfv RJNJRByAs4w2+UdYKFIcnhC5XdJDh3jqpjdXbN8fAI86aGiMjoCcuRGQdA5PjspZoCDI V1FEmGJEEx7ytdUybezKDEA0kwyu7kHgqX0wsbJT35LxDVMaD3iJ9ff2mLFQW2cw2yd5 nAta8wlyCxqx0JgXSy7MCftM4k19AUdaDCjkb6tXJwYhXsecxr9kfoGIDFknpjbZn8+g 9Fk0hJWbVr0jGEI3tJyK9CTthh7JIzD+qdVQwwPzwjn27h6KAdfOsuQJgUmXQ1nxIdQx 03tg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=PXEiSG0U/9L1hHeoyh4/0+8p5Ls69jyHZbU66Dk1NbY=; b=Y2D8rgPwOr2xeRr1vGWvsRKLiqUXqIeMAO3+EeGI6ATZ+2Djpr1FLxFuHlht7idG9e ni57U+eftvXCxkRk6Xdz9hbxfQw0oxnDodahDkfOgXs+5mmOxYqN7ZMV9HEzPlqMq60r mZ8560gb8jodIMLxHedFdC4y9n/ZPv0UTFvjlrPzv6sSn+iAcO2IXcbUDPIJprQxKvjB w0jB0RUev7xW1KNhVmTQe3Xth+dU8KpJwcYDUhF9t6LLk6VjljDTFVcLftnEa+Ze3XfE EvwH9QSaG1q4PtXFwiNppJ/CZ65PIcS/XIlCnNuB0DdYVXkxoC+GJRAfD1rFJlt+tBlb 2FLg== X-Gm-Message-State: APjAAAVA8X4b1pjpr71apPLVn56AAHm9GjUG1Oa6hO/Xiz8N3HSH6V6o G/YTRiO8g2MEXB1Je6fswVg3mP3WHeYKmqJoAp8= X-Google-Smtp-Source: APXvYqzdEUF5dID6XBM2MWNsq/tUM4QTpv6hhBVZ+IEAupOtDQbWKD3N61O6tLm3wUDlgTp6vPFciuFg1AilyIDmWjs= X-Received: by 2002:aed:234a:: with SMTP id i10mr5638153qtc.355.1552711883030; Fri, 15 Mar 2019 21:51:23 -0700 (PDT) MIME-Version: 1.0 References: <1E80578D-A589-4CA0-9015-B03B63042355@gmx.de> <27FA673A-2C4C-4652-943F-33FAA1CF1E83@gmx.de> <1552669283.555112988@apps.rackspace.com> <2E377D10-3CF0-4F08-9936-AA812E3F1277@gmail.com> In-Reply-To: <2E377D10-3CF0-4F08-9936-AA812E3F1277@gmail.com> From: Dave Taht Date: Fri, 15 Mar 2019 21:51:11 -0700 Message-ID: To: Jonathan Morton Cc: "David P. Reed" , ecn-sane@lists.bufferbloat.net, bloat Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [Bloat] [Ecn-sane] [iccrg] Fwd: [tcpPrague] Implementation and experimentation of TCP Prague/L4S hackaton at IETF104 X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 16 Mar 2019 04:51:23 -0000 On Fri, Mar 15, 2019 at 9:04 PM Jonathan Morton wro= te: > > > On 15 Mar, 2019, at 7:01 pm, David P. Reed wrote: > > > > > Next up for sce was going to be to find if dctcp could be modified to > > > use it. Also, bittorrent. > > > > YES! I endorse this message. > > Actually, today I was still figuring out how to fit it to CUBIC. I *thin= k* I've succeeded=E2=80=A6 > > https://github.com/dtaht/bufferbloat-rfcs/blob/master/sce/ELR%20Proposal%= 203%20(TCP).txt > > I recall DCTCP as being singularly built around a distinct setpoint from = what either Classic ECN or SCE expects. So I think I might look at LEDBAT = first. LEDBAT as defined by the ietf is a waste of time, as is it did not deploy. In terms of dealing with bittorrent, I recommend you look over the UDP implementation in libutp, and in particular the embedded implementation in "transmission", which is easier to play with first. Along the way, getting setsockopt to set the diffserv bits right finally for libutp would be nice. > - Jonathan Morton > > _______________________________________________ > Ecn-sane mailing list > Ecn-sane@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/ecn-sane --=20 Dave T=C3=A4ht CTO, TekLibre, LLC http://www.teklibre.com Tel: 1-831-205-9740