From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io1-xd2c.google.com (mail-io1-xd2c.google.com [IPv6:2607:f8b0:4864:20::d2c]) (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 B386D3B29D for ; Thu, 19 Dec 2019 18:27:16 -0500 (EST) Received: by mail-io1-xd2c.google.com with SMTP id t26so7537379ioi.13 for ; Thu, 19 Dec 2019 15:27:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=VVikG3SRZq63jO3OLc13dTMkiFC7fk7JQp3kCfFCVD4=; b=hatcPbz0IMJZer3GCivh71CTAXaZG97Jz9lSHx45Qdbcc0BsmkyDpxegGpyDz5dSha ZHXGDmfPcntU1jB2mv9bukMKFjxXuUDra5QhqYae6z57T4KYzKPPpcOaSvyVlbJsAgEg euNvrk2zwK2yh34Swtco/lJcrOax+5ybS+HWKA537NiuOZq/fN7qPHOvD+aHVFu335wO 5c1urbbl8xKYGT/A5b97vj+zC6YLfXZf+uhQModdUeHysURMjjY/mRkEbFwd9sBEGue4 oGN4J9Ixw2AFEdPCasIP9HSv69oQXOhu6mk2LsnSJvow+T5mRZN06sBIqQzn/anRCsEE aIHw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=VVikG3SRZq63jO3OLc13dTMkiFC7fk7JQp3kCfFCVD4=; b=c1uiY6T3nAnNC0wI7BX0Vq/qrJFH7MRS/x2dYXG7SMmyfNQC97T0uFHbQjVTyvCvrV Xhi1w6ylZb8bXR09adMdRwWboOyZcVORMYTcyngjK/mfjm63SZ94jlSIg67St/NxDYpM MOkqLvSXIjtvnniPljOzXPLOmHYmI9XxZROtuyIgJdHQ+9gYNchFVFwvAJmVWwT2w/Eo TgOUxivBPPrmiTjacUU2PJtZ91CCq9lyIymCuLIYo9XpeOwCk/yiTOWM30QtFHfP1msm VRNoIr/HTXbwPmXMDfcMz7gAhRO5iIQNOpsEx2f/+VLMFWXIQK/GxM3TvwjTk7xXeHVA TLNw== X-Gm-Message-State: APjAAAVJnq5srj7pR5lNwYwkz2/0vUGzA7dVAU5zxPFhTojPns36/3Rp iqgoFRkgL4aODDSpJf6HPUZTeGdRtOybEyXbqZH4KCyY X-Google-Smtp-Source: APXvYqwAqFYHh+B4hf5XERJBAPanrRZpYMR2zEsjShY1KKC4gLIdB1C8F+oaxN7gUsyj+gSsTSc5k8gk0ybzOP4xoRU= X-Received: by 2002:a5d:9dd9:: with SMTP id 25mr8052637ioo.287.1576798036015; Thu, 19 Dec 2019 15:27:16 -0800 (PST) MIME-Version: 1.0 References: <0151ae7d-6416-cf90-f13a-72dc26895d56@rogers.com> In-Reply-To: <0151ae7d-6416-cf90-f13a-72dc26895d56@rogers.com> From: Dave Taht Date: Thu, 19 Dec 2019 15:27:04 -0800 Message-ID: To: David Collier-Brown Cc: bloat Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [Bloat] some benchmarks from arstechnica 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: Thu, 19 Dec 2019 23:27:16 -0000 On Thu, Dec 19, 2019 at 3:02 PM David Collier-Brown w= rote: > > I think he understands that he's talking about page fetch time to an audi= ence that won't believe that latency is like "latent fingerprints": stuff t= hat hasn't shown (up) yet. > > Such folks annoy me (;-)) I'm not going to complain (much)! I am totally delighted not only by the quality of the articles themselves, but by the comments of the audience, which show an appreciation for reduced latency. Similarly, tim's work over here is stellar: https://www.snbforums.com/threads/wi-fi-6-performance-roundup-five-routers-= tested.59813/ - journalism, calling to task all the marketing claims, on the web! Am I dreaming? I did ask jim for clarification as to his methodology, here: https://arstechnica.com/gadgets/2019/12/amazons-inexpensive-eero-mesh-wi-fi= -kit-is-shockingly-good/?comments=3D1&post=3D38427799 And I hope we can make a dent in ax next year! > Note his quote usage in this: > > IMPORTANT NOTE about the -c {concurrency} option: if you ask for -c 10, e= ach "page" will consist of 10 parallel fetches of URL, and the "latency" wi= ll be the amount of time it takes to get the last bit from the last concurr= ent child fetch. yea... > > --dave > > On 2019-12-19 2:32 p.m., Dave Taht wrote: > > I was not aware that jim salter had really gone to town on measuring > latency under load in the past year - notably the 4 stream 1024p + web > browsing torture test used here: > > https://arstechnica.com/gadgets/2019/11/ars-puts-googles-new-nest-wi-fi-t= o-the-test/?itm_source=3Dparsely-api > https://arstechnica.com/gadgets/2019/12/amazons-inexpensive-eero-mesh-wi-= fi-kit-is-shockingly-good/?comments=3D1 > > He considers under 500ms of browsing latency to be "good". Not > entirely sure how he's calculating that, I think he's measuring page > completion time rather than "latency" per se'. > > The tools he uses are here: > > https://github.com/jimsalterjrs/network-testing/blob/master/README.md > > -- > David Collier-Brown, | Always do right. This will gratify > System Programmer and Author | some people and astonish the rest > davecb@spamcop.net | -- Mark Twain > > _______________________________________________ > Bloat mailing list > Bloat@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/bloat --=20 Make Music, Not War Dave T=C3=A4ht CTO, TekLibre, LLC http://www.teklibre.com Tel: 1-831-435-0729