From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf1-x136.google.com (mail-lf1-x136.google.com [IPv6:2a00:1450:4864:20::136]) (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 647D73CB4B for ; Wed, 20 Mar 2019 14:48:19 -0400 (EDT) Received: by mail-lf1-x136.google.com with SMTP id u2so2700201lfd.4 for ; Wed, 20 Mar 2019 11:48:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=8QhbJssSXZ8jFTQxJiUHdJv2QsShhgYNiE58N1Xs+nY=; b=UsiK+IgyHNwceFhgRsMffPnM8t/lJX4Ak/cKojrdxB/Hz2dWCvBSH6FtD5lea5DBDl zxj8YAA95zT2tkfdIkd72qLnNnThcpSx4hn/G170EE928XFfbG/l6fcQmDOe+UV43zz/ aUhIeL7/d82itrtiM95sVGx/I5X9hz1nVMrpPwfjx0UAeRRT5pNR3zWvHmKYyqc0iTOl nVxhnLeZC3WmdV56lsr5DGt2poRq3dIBeOdZPmdcV8Kzh2iuD+Japs95BuKeG2JFw3IM c5tbgw2U9p80ysk+DUaJZxiZhJ1ymzBABGpb1yt+Q4OD0CeLf5b5fNE+0JozqM6fQRnn z1iw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=8QhbJssSXZ8jFTQxJiUHdJv2QsShhgYNiE58N1Xs+nY=; b=kjhvZg+6d063yRBxZiXJ2hC9EAQib7VDMUY/AuGHOkt++53Nq6ActHnLk7zEf2xzVn ApC7IWezcTpV+SCcczZM35P1Dbgy74Ob8b6gp2BPw+ghtKjwwEZigMjfYbZQKOOdsOze puvvMW5Nx9Gm1aLzmMYz/sSSgu9UZZ7BIUewi7soVGDXkr1J1O/V4xPbUOZzqBrNt6g6 0AUWyOTUAPOy3mFELPfyi8khvGbxx1FiOpg4BELPD/khHrX9eZd0lmp3OpNZeKxDAekR /6vfEcJYwNANVvLbp+pCzdNQgDGjsibwY72geqFHl1hlHPE9Um7H2G/WblvskNGohVNJ 8OUQ== X-Gm-Message-State: APjAAAW+7Q6C7U0pZ5UlFSk3mGVBJlM3ODJy8IdPwzlhdwNdeYAHnmXJ AwvjKmifV+ZaQnD66h0fLGs= X-Google-Smtp-Source: APXvYqyNd6mFkSOzBhDx942qBT2eWtK7ob4gQL4NesiHrDAGcFBBtvVo5E/8W9q/+rdxRojRFem0fQ== X-Received: by 2002:ac2:4551:: with SMTP id j17mr9532476lfm.141.1553107698358; Wed, 20 Mar 2019 11:48:18 -0700 (PDT) Received: from jonathartonsmbp.lan (83-245-226-9-nat-p.elisa-mobile.fi. [83.245.226.9]) by smtp.gmail.com with ESMTPSA id k25sm463840ljc.14.2019.03.20.11.48.17 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 20 Mar 2019 11:48:17 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) From: Jonathan Morton In-Reply-To: Date: Wed, 20 Mar 2019 20:48:03 +0200 Cc: ecn-sane@lists.bufferbloat.net Content-Transfer-Encoding: quoted-printable Message-Id: References: To: Dave Taht X-Mailer: Apple Mail (2.3445.9.1) Subject: Re: [Ecn-sane] please commit anything new you got X-BeenThere: ecn-sane@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Discussion of explicit congestion notification's impact on the Internet List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Mar 2019 18:48:19 -0000 > On 17 Mar, 2019, at 12:04 am, Jonathan Morton = wrote: >=20 > I added something about single-queue AQMs which is definitely food for = thought. =E2=80=A6and now I've propagated those thoughts more widely in the = relevant documents. Now would be a great time to look at the Git = history, and start thinking about how much work it'd take to turn out a = couple more I-Ds. I've even added brief notes on how to implement DCTCP-SCE. It's very = easy if you have a working feedback path and a clean NewReno to start = with. As for the feedback path, I looked into whether AccECN could take = more optimisation for SCE than just rearranging the fields, but since it = completely replaces the relevant TCP flags, it has to rely entirely on = the TCP option. - Jonathan Morton