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 B956D3B2A4 for ; Fri, 10 Aug 2018 19:55:51 -0400 (EDT) Received: by mail-lj1-x229.google.com with SMTP id j19-v6so8394611ljc.7 for ; Fri, 10 Aug 2018 16:55:51 -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=WnkTrZd7o3BZ0Ybxwk9cAeIQ6tmhxtEy/U22irEcOd8=; b=Zeq/A2z8T6LxYeTcsLYj6p7XZoSG3YD0L+69BK2pk9NrMRIJYZahP2LwI9Rg/Ettww eLd1VQ6xjZuVcYFplUHUXxGZ28feRMUfFevucfyX9xKBkHfpltLbB5kQ0VPQNgvB2mLy 7DYJPWitbpHpOVv53htSNkugCBBwO4je3kzzyn2cMCieUIagy6pOVj+mcSpf6FIDnzkz Yt0Xs6GcyeTUQpxbprJDgQtRAq680lInYYKpBWC2tdpjum7qfSwGSYC5J8S2TkxXdOFV dyFnfh7wbx5fOIX2qnQKvHolgJrAAbUGj3XZq1IwPL0jRJfjs7hdmuErR9lwgWi9iJo/ mwiQ== 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=WnkTrZd7o3BZ0Ybxwk9cAeIQ6tmhxtEy/U22irEcOd8=; b=bPE3zthoAqeXaoDZqWMv9Dqn3NlnbO4Yo0P3NEGHFNPNzhxQIn2vb5fM3GyKbrP8vr bQbeQ4ZgQ1zfhO5C5tNwxFqahlJhM2w166ASRrQ8Nv8VoR+axpaAhWNE1cvGzbq2r2pf cuXrU4n6DwVb1k0oGV2R6c/tfK8ihYOz6U7vYLNvnZ2l+I89hewJR+mrXZEElKARHuCz xHlzQoStGShbUP7Y+D8ozZ/xK+C/g0KuHCbv+73Cc0HTzhjhq2bhTYn+AeHNrObNm6uW tMn7/KQyiW0mGmOwyMEsvMNoFLE++najmTNLH7hO6zkOTFFpG44HNSHAMKKbyZl1e0CW k+BA== X-Gm-Message-State: AOUpUlFsAZRSGVWO9hg3A92z1VK4arc4yC+2swpKbayADgmYw8EsgAlv +IeCEIJbX1PVSpJT/YyrMdI= X-Google-Smtp-Source: AA+uWPw5i7Myes7zif3U8URohvUPgOUnWVMgsaAVWqDkoduhUZsUL5xx5qaKB3NSumMe9woYCFptag== X-Received: by 2002:a2e:4d9d:: with SMTP id c29-v6mr5741064ljd.132.1533945350738; Fri, 10 Aug 2018 16:55:50 -0700 (PDT) Received: from jonathartonsmbp.lan (83-245-238-47-nat-p.elisa-mobile.fi. [83.245.238.47]) by smtp.gmail.com with ESMTPSA id h4-v6sm2053538lfj.69.2018.08.10.16.55.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 10 Aug 2018 16:55:50 -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: Sat, 11 Aug 2018 02:55:49 +0300 Cc: dave.taht@gmail.com, bloat Content-Transfer-Encoding: quoted-printable Message-Id: <616C8979-4722-446E-B266-CE8CE2C704C7@gmail.com> References: To: Rosen Penev X-Mailer: Apple Mail (2.3445.9.1) Subject: Re: [Bloat] Flow offload's impact on bufferbloat X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Aug 2018 23:55:52 -0000 > On 11 Aug, 2018, at 2:35 am, Rosen Penev wrote: >=20 > I just got the feeling that bypassing parts of the linux network stack = would > result in less buffering. That buffering is not happening in the linux network stack. It's = happening in the hardware, both in your modem (upload) and in the ISP's = equipment (download) because those are the parts which meet the = bottleneck link. When making measurements, be sure of what you're measuring. - Jonathan Morton