From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lj1-x233.google.com (mail-lj1-x233.google.com [IPv6:2a00:1450:4864:20::233]) (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 BAC7E3B29E for ; Thu, 29 Aug 2019 04:08:18 -0400 (EDT) Received: by mail-lj1-x233.google.com with SMTP id u15so2130206ljl.3 for ; Thu, 29 Aug 2019 01:08:18 -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=4REIRI4sgfS3jwmN5Vs3lHls2TX8+SSnhhImS/s7Xc8=; b=NCLZK3ZQxlCwryXEbix6SdxIBKUjQ3YrYP5t3SXsL5iynCCw65+0NXHQhdPmznRDZU 00ZrCyo6SxNAkw6l0eH3MpuL7GPyugNhiqDOTofLfKjpChZIanerzbPPWwTChUI+lwrz ka56z5TB34nodkYkUSR5fjeOMQCWbte0vn6DuiamagqM8/jWw4C8hNNkWByTpn5C8/rk OlrL7NqJCgVIOb2ysWxLnjPJDv1oVYB7B3UYuHdtWZ9KgNEy7oBB0SdGku0c4a7DghU3 R8UNriz5cKE6FY1A08+cTheIF/b3DQ6J7Gx/n5CrU8UwuMyfdbc3u37V32KIOYLUJPJC tN1g== 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=4REIRI4sgfS3jwmN5Vs3lHls2TX8+SSnhhImS/s7Xc8=; b=Q7ntC6XqlwtY+Nx2clE0gg2OP+sfLLgnyOzqBeOat6iidj1jhBgxDD9urQI80BSy3v irXmIezqY3GnQRr+ckwZ6VlGhwvfvN45plh5YWXdFhvHmUiYJEDJ1JkTAyXmfRAVUBCQ NQWGGzJ178GzEwKaskLPw4to3JI33kEUKVonoYJcd264Jf7vtxcbwZZjPZ+nEzuaqMPy e8UmUSSiuPIBAOzpgsqV0bi3zI99GnhQzIAjwSrYh9+PFBmEhKTpdV60o0C4B667mtff X2/BLm5Chs4hEbqO+lBbz9sxpgl3ZZjq5+QLjJbDTEUXiylspjnJ32G/Uk1kc3z5kBvm qdBQ== X-Gm-Message-State: APjAAAWgSt2wvpWCyyevqgKyPv/CZ6FkgIXOjoHBrvy/haqObcbo+63D LkqdYeV9ueOVxel1Eyn6Lqk= X-Google-Smtp-Source: APXvYqy28S+UjxGM1jAA8s9qaVTTcYTjeykRCwUR1/fg/rikGBYwaeBltEJZlaAP/HNoFmyv1iT1PA== X-Received: by 2002:a2e:89da:: with SMTP id c26mr4516670ljk.214.1567066097649; Thu, 29 Aug 2019 01:08:17 -0700 (PDT) Received: from jonathartonsmbp.lan (83-245-237-193-nat-p.elisa-mobile.fi. [83.245.237.193]) by smtp.gmail.com with ESMTPSA id w4sm273175lfq.3.2019.08.29.01.08.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 29 Aug 2019 01:08:16 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) From: Jonathan Morton In-Reply-To: Date: Thu, 29 Aug 2019 11:08:15 +0300 Cc: Ryan Mounce , ECN-Sane Content-Transfer-Encoding: quoted-printable Message-Id: <07E26A9D-56E8-4436-9D20-29732C12418D@gmail.com> References: <4471314E-BACE-4EEA-B954-9795833764E3@ifi.uio.no> <95DAF9B7-8944-48D3-A4BD-A846CEAAF12B@ifi.uio.no> To: Dave Taht X-Mailer: Apple Mail (2.3445.9.1) Subject: Re: [Ecn-sane] osx ecn 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: Thu, 29 Aug 2019 08:08:19 -0000 > On 29 Aug, 2019, at 2:45 am, Dave Taht wrote: >=20 > I'm a little puzzled over the cwr/ece ratio? >=20 > 25 times received congestion experienced (CE) notification This is at the IP layer, on received data. > 619 times sent ECE notification This is at the TCP layer, acking received data. (ECE is sticky until = CWR, so the ratio of the above is related to the average cwnd at = congestion onset.) > 37 times CWR was sent in response to ECE This is at the TCP layer, on *sent* data, and therefore independent of = the other two. - Jonathan Morton