From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lj1-x229.google.com (mail-lj1-x229.google.com [IPv6:2a00:1450:4864:20::229]) (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 4511F3B29D for ; Tue, 14 Dec 2021 05:02:02 -0500 (EST) Received: by mail-lj1-x229.google.com with SMTP id i63so27536613lji.3 for ; Tue, 14 Dec 2021 02:02:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=eIhH5wekJwnXEqC4r3sajUgDFWGhUbBipQ45IvhAqY4=; b=Twhc4/QXbzaaYXkC0rR06a5Tj9MW2yfc7dMpLAHt/pcYdoauzj9UM9wV/THCZjJlSn TRMoj0xlOqjTsEm3U7RYqxftT46pjgnZskuTG5eHWro1Zh25KC5XGx4GNArAmzvTfbRc qBWJ76iJSJ/bqf56Ues5pvVFBqKjUmFtTCjfRCI0nZG7xo8nogsWZ26RMdlCNr9gbrlT cropAok4+ErsMNxBGkFlG7ivo/QiP84s5ui2NimGtyBus2sb7x1Bnzg9zgt91xZYGT6X Ul6tzWLxLb3OxV0Xnf61C/5nS+ww6Oz3IcN/yzs/lOI0g9xEhBG5dD3BZj69JOT5lnpE mWiQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=eIhH5wekJwnXEqC4r3sajUgDFWGhUbBipQ45IvhAqY4=; b=vvhbAFsXgUbJwD7WL9gPRfOWYAy0VMKItXk0zj89K8ymvGbSMKWLsOHbaiUbkwAoCe 6+t8RXxQF7OoBXCkxqL8ERk6sKzQcxyv4qeYA9yIY6v8LH8h+2TiYiNvzyxg/Ai0rd+0 nMCc5/ZxXsrXDRaY8Zy46cji9E+J/Wsi7e6l4OkJ7JtyVaBoA2S+m6xeqruMLSDkJNDx ZiyQBHyTjJUkaHSXgZdbSKZiNLf+ZhMVxCFjlId9Znb7o2skgmE2Etphi1eWw5eo/fu0 MQH80/AAvch2r7mPklymOdh8rnFfI8OWIGhcn8LDAHhwuRYS8kdviw68xfIU/gi+l4XI dvcw== X-Gm-Message-State: AOAM532bVIUqP2//dVvtAoVdMcNRspkLX5QFLOEXZUTXlEZHwACamwdO Tqi2V2UJyQZzucOPtc8PzPg= X-Google-Smtp-Source: ABdhPJz7A1bAOUUYxPjKuGDuB7OVVjWz6kgR24xddaO6MsgTEVuO4bBxPBkzwVkbpvBiHaI54xWYVw== X-Received: by 2002:a2e:a410:: with SMTP id p16mr3989997ljn.81.1639476120985; Tue, 14 Dec 2021 02:02:00 -0800 (PST) Received: from smtpclient.apple (188-67-240-81.bb.dnainternet.fi. [188.67.240.81]) by smtp.gmail.com with ESMTPSA id h17sm1773627lfv.62.2021.12.14.02.02.00 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 14 Dec 2021 02:02:00 -0800 (PST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.100.0.2.22\)) From: Jonathan Morton In-Reply-To: <077B33B9-C1A6-4469-9614-F760A357BD1C@gmx.de> Date: Tue, 14 Dec 2021 12:01:59 +0200 Cc: =?utf-8?Q?Dave_T=C3=A4ht?= , Cake List Content-Transfer-Encoding: quoted-printable Message-Id: References: <18098E06-CB62-4967-B604-268063392C35@gmail.com> <89ECAB12-74A3-40B6-8C0F-D1AA22E40C71@gmail.com> <077B33B9-C1A6-4469-9614-F760A357BD1C@gmx.de> To: Sebastian Moeller X-Mailer: Apple Mail (2.3654.100.0.2.22) Subject: Re: [Cake] sometimes I worry about cobalt's effectiveness X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Dec 2021 10:02:02 -0000 > On 14 Dec, 2021, at 11:59 am, Sebastian Moeller = wrote: >=20 > Could we maybe introduce a no-ecn keyword to switch cake to drop only = mode? If only to help diagnose ECN issues? Inserting a firewall rule *before* Cake to force the ECN field to = Not-ECT should suffice for this purpose. - Jonathan Morton=