From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm1-f52.google.com (mail-wm1-f52.google.com [209.85.128.52]) (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 C61D23B2A4; Sat, 31 Jul 2021 13:50:28 -0400 (EDT) Received: by mail-wm1-f52.google.com with SMTP id b128so7917429wmb.4; Sat, 31 Jul 2021 10:50:28 -0700 (PDT) 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=e6DNpHk4nFZO6eFKaEvaG7aH+1HQJ+y/t9ss4R9qCYo=; b=d4LjaXlIoWM0d69VI3fXVuW9TW3Zf9O15tGv5jTHeAICAwbCRdnAU3j00y55OzoW+b Wo6yQVypo+6htv4OOkkxFioqZweg5cP6Or5aViAdGL6uBhOUJqX+Gfn/7rD0oi9aRayD 2RCyDYJ5UHQ+zPi/S03w/l5lSaggeZUl+KYWPpDmMNwymTh0FOxcoW1Bivo0+o+sOFEJ JRRF5EkOwOFibeAA88G8XLYqySKyNTGXZBs7z1xwx2RnLHIs2UHeIjXDSAK/qwe3ep4z PV5haQMaSRS3ep9uMVUKt8Xd4DAsGn/+1rcWLQ4z6RZrg4gtmn2dfOTcRity6o8hZigM jPpQ== X-Gm-Message-State: AOAM530y/g9/mhoptJCu8+tByGu9Yf9sM2o/kgjEIQp0BCOnpcOlFYkl VFbv78GPtkgZ7WrsDvlWi6I= X-Google-Smtp-Source: ABdhPJzjprH3F6p2frlRprZKkiT1kT58UAPwpma56LgWP2C5UEo8VcMYIu7FMuzA+4qIWVdJEa+zuA== X-Received: by 2002:a05:600c:a41:: with SMTP id c1mr8598048wmq.109.1627753827757; Sat, 31 Jul 2021 10:50:27 -0700 (PDT) Received: from simons-mbp.home (host86-178-58-154.range86-178.btcentralplus.com. [86.178.58.154]) by smtp.gmail.com with ESMTPSA id a14sm5545516wrf.97.2021.07.31.10.50.27 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sat, 31 Jul 2021 10:50:27 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.7\)) From: Simon Barber In-Reply-To: Date: Sat, 31 Jul 2021 18:50:26 +0100 Cc: "starlink@lists.bufferbloat.net" , bloat Content-Transfer-Encoding: quoted-printable Message-Id: References: To: "Livingood, Jason" X-Mailer: Apple Mail (2.3608.120.23.2.7) X-Mailman-Approved-At: Sat, 07 Aug 2021 14:21:51 -0400 Subject: Re: [Starlink] [Bloat] Of interest: Comcast AQM Paper X-BeenThere: starlink@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Starlink has bufferbloat. Bad." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 31 Jul 2021 17:50:28 -0000 Awesome to hear that you are turning this on both upstream and = downstream. Do you know if the wifi stacks in your home routers also = have AQM? Simon > On Jul 30, 2021, at 10:28 PM, Livingood, Jason via Bloat = wrote: >=20 > FYI that I will be presenting a lightning talk at the IRTF MAPRG = meeting today at 17:30 ET = (https://datatracker.ietf.org/meeting/111/materials/agenda-111-maprg). = The talk links to a just-published paper at = https://arxiv.org/abs/2107.13968 (click PDF link in upper right of page) = that will likely be of interest to these two lists. >=20 > High-level: turning on AQM in the cable modem (upstream queue) took = working latency from around 250 ms to between 15-30 ms, which is = actually kind of cool. ;-) AQM is turned on in all of our CMTSes = (downstream queue) and in DOCSIS 3.1 modems (upstream queue). >=20 > Have a nice weekend, > Jason >=20 > _______________________________________________ > Bloat mailing list > Bloat@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/bloat