From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-il1-x133.google.com (mail-il1-x133.google.com [IPv6:2607:f8b0:4864:20::133]) (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 AA2523B29D; Tue, 20 Apr 2021 22:42:34 -0400 (EDT) Received: by mail-il1-x133.google.com with SMTP id l9so5310377ilh.10; Tue, 20 Apr 2021 19:42:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to:cc :content-transfer-encoding; bh=jISR477yhwJLL9HlsOaiPR60QkYDtE7f5TT6x9XdjmA=; b=AJ4qfGKVc27yWCEvJFjAJQYFgtkq2bA1Dg2E/oSohv7z+L0BCHfrVGk7pqb8Yf1f6A OtcxCUS0eTSxZCwM01qfk5krsdQJPui/dAKCoJJAhwstE/N24GW5GmVXqXctag57O6B7 buUkQQlXB6VH9Dw+zqCkn8uKg3bPDAOvsK9UT791Iqo1pa0nqYtpJYd972fO5tLepSHr fBAAOxVazLbEtRg++QErL0fh/fIF2JtFkJmEezL4WA303aa02h1YSqvTyl5DUKyXn7Mn 695fvX037tnr3MRiOG5XImW/zCOvW7pIG1xi+B8QzuczQ+pHqm0sO5BtZ/4/ae4vOfuS bNmA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc :content-transfer-encoding; bh=jISR477yhwJLL9HlsOaiPR60QkYDtE7f5TT6x9XdjmA=; b=deKKYX1UAr5P7w9jaet1weV+U207gvck1q7o+vEnDMV8ob3LbBdPt1D1VLaEk/1YDR AIG13kZ9pbbhsOXV3T+lHOMnGEkT5y0ee86Mjw6xAkchhnfGYzyeSI9UA15W2cT58uL7 bcqoOUm3hSPeMG6BYotFCopjzI9C1paQcHFjqCMH9LAztDevslpuzx6kKR6c4DN4LR3p AWajtfkOuQmUg0S57ZeiMGVFLdlrABkc+Z1sakCnF2MXDxWhsw7uhr5qcoA8TKfW49jH YErjEtfnv0nZH+ZCEJtWZT88N6iULVgzyBvEbFt/T9UHDBtsh9eDOxJOiJIrscifTDq8 UzkQ== X-Gm-Message-State: AOAM532cpvYvJ5ptTjfCd2UVSFnXoiU+Pt0Hb0iYt0xloIwVuPyVDiM2 B8nwss6JqrQuwOsrkk/o2ZxoRQHvHbHGYcpgJUjS4a1eZdNTPA== X-Google-Smtp-Source: ABdhPJy0Pz/VH45yfduzP2eeMDdaIiAxkWF7WW6cMBJLoTa2CEEASBKhK06Qep0EQBEwmmSxVaoE9kZSqfP4lcFqj7A= X-Received: by 2002:a05:6e02:1ba5:: with SMTP id n5mr23350826ili.45.1618972953821; Tue, 20 Apr 2021 19:42:33 -0700 (PDT) MIME-Version: 1.0 From: Dave Taht Date: Tue, 20 Apr 2021 19:42:22 -0700 Message-ID: To: bloat , codel@lists.bufferbloat.net Cc: Ralf Kundel Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: [Codel] Pie not fully implementable on tofino p4 X-BeenThere: codel@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: CoDel AQM discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Apr 2021 02:42:34 -0000 https://www.comsys.rwth-aachen.de/fileadmin/papers/2021/2021-kunze-aqm-tofi= no-p4.pdf For a codel comparison, see: https://arxiv.org/pdf/2010.04528v1.pdf Where the authors show that fq_codel is feasible on the PISA platform... but a direct comparison between the two papers is not possible. What I don't understand about the above paper is how codel timestamps are passed from ingress to egress. --=20 "For a successful technology, reality must take precedence over public relations, for Mother Nature cannot be fooled" - Richard Feynman dave@taht.net CTO, TekLibre, LLC Tel: 1-831-435-0729