From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk1-x732.google.com (mail-qk1-x732.google.com [IPv6:2607:f8b0:4864:20::732]) (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 6FE6D3CB35 for ; Tue, 23 Jul 2019 02:06:09 -0400 (EDT) Received: by mail-qk1-x732.google.com with SMTP id d15so30278783qkl.4 for ; Mon, 22 Jul 2019 23:06:09 -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=MuReIfqygtao2RFBwnhezmiuZsAqYumhX6n5NxEbbSI=; b=oYdvOQRzwF/0TFsnxLMqKauEPljB8IG8vOjYsYQAyWWnugG+4TUBQRHIXHzgUk5OLI NaQLM9l1I3FY1J91PoY6irRvwFLiiWvC+LSeqPgR2uwafGSQN1JiRjP3w1M3Jb9ttOY5 XVuQHo4nCOtoyvHK7J8hBKTRxytogCalFxYVA7JDmJHMARgDCTesczoRYv59ZuGR4VeF vf4eidqIg8tSUh5tDAGN4CUBmJx0qZ/zKMO6ZP/Ah5GVubBEar1rdqIu3VBTlzT1r+7h aRZfVESLwguM9mg90rW5uY1wr9/9RuOqA4u4MvdtFEb+1gIrPOm7Wt+sFUtjkLB7itPr VEjQ== 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=MuReIfqygtao2RFBwnhezmiuZsAqYumhX6n5NxEbbSI=; b=tudTzmS8cgTkWHpEydQWArQDm//U8LUN1ZJ9E2oki7NLTXl7w+s5YRWHaC/WvLgK94 GDQGakwk6gt/P3EsDADWSWDAHwaEE/wcWmNQ+K7yahJf0wmpmSOa9LMG4K0Nir1OK2br 8URjRjMjqT/btwUozcHhei9OKU4LtgH3kh+eeHjpNl3u8q/cV6zvSh/kXJBO5mwKoOS/ vQQc+Es9g/0+jr9+t+kcqEhgK17q9vSmWN/Xio13xDbh03DtTRVzLEEQWkd2h+hJUpOa 82MC7MiWfV7CLh9tSnxnoEfy2VpmNTBfVFdgOmR3VK1wSyHDVDLPJ67Qc4GkFDfaPVAh QfoA== X-Gm-Message-State: APjAAAVjYCpZj573hIQ5TPQtBpJfiQV4vF7JeREoQeHmIoVUeTQyqarC Hy6ofyAY/ftq2sMiE3i2iHY= X-Google-Smtp-Source: APXvYqzok00ghpuu6kPv2D+9A1ufhjWnqY6zII4X96LQsUvB6QzCQQnsVvQbjIENw5gcHCpTEjXfJg== X-Received: by 2002:a37:9904:: with SMTP id b4mr46835591qke.159.1563861969083; Mon, 22 Jul 2019 23:06:09 -0700 (PDT) Received: from jonathartonsmbp.lan (173-246-8-242.qc.cable.ebox.net. [173.246.8.242]) by smtp.gmail.com with ESMTPSA id d20sm17396713qto.59.2019.07.22.23.06.08 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 22 Jul 2019 23:06:08 -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: Tue, 23 Jul 2019 02:06:07 -0400 Cc: Mikael Abrahamsson , Jonathan Foulkes , "ecn-sane@lists.bufferbloat.net" , Dave Taht , "tsvwg@ietf.org" Content-Transfer-Encoding: quoted-printable Message-Id: <4E959AE1-9616-4F30-B93B-76BE5BA3D278@gmail.com> References: <87sgqy3sqh.fsf@toke.dk> To: Sebastian Moeller X-Mailer: Apple Mail (2.3445.9.1) Subject: Re: [Ecn-sane] is FQ actually widely deployed? 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: Tue, 23 Jul 2019 06:06:09 -0000 > On 23 Jul, 2019, at 1:57 am, Sebastian Moeller = wrote: >=20 > This is my min gripe with accelerators and off-load features, = typically they side-step the linux kernel network stack and offer far = less features than that stack (this is how they speed up things). May I introduce you to = https://tools.ietf.org/html/draft-morton-tsvwg-cheap-nasty-queueing-00 ? = I'm also in the process of expanding the LFQ draft. I think they show = that HW acceleration *shouldn't* mean just dumb FIFOs. > IMHO these are crutches and at least up to 1Gbps links reasonable = priced x86/x64 hardware can do routing with all bells and whistles I'd actually be rather interested to see what a Raspberry Pi 4 with a = GigE USB3 dongle tacked on can cope with, now that it has native GigE = through a direct PHY connection instead of via a USB2 bottleneck. That = would be in the rough price range of a basic wifi router, and I've = already got a Pi 2B running as an SCE endpoint. Any idea which shops I should look in while I'm in Montreal? - Jonathan Morton=