From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-x233.google.com (mail-qt0-x233.google.com [IPv6:2607:f8b0:400d:c0d::233]) (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 302B33B29E for ; Mon, 4 Dec 2017 07:54:46 -0500 (EST) Received: by mail-qt0-x233.google.com with SMTP id w10so20957713qtb.10 for ; Mon, 04 Dec 2017 04:54:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:content-transfer-encoding:mime-version:subject:message-id:date :to; bh=wH6gn3iZq71oGWMTOikPXTeONgTjbk6N8vxF6bWnCGE=; b=Lifmg5uYCzM1ZaB/xJEP/6wFwC03kJNvYWSOV8ykT8+DQWcEmQbM/OMiL1R+d13D+c sBp+qZX19K1HG1GYsHKY5mH4rymxMK1Km5khgkm0zw7gN+8Dr59dtdK0IJFKUuGOmSn/ faPLQyTCMzKCxph1koNzVAVUHKu3suFQ0oBZ097vlfsgZbyuKPA4j6IfDpveJ4nIJgnw oUpIrOYNiXpfBsAlQ9JV3jsUliip4YHKDIr0EJ0K9PaxHoilaUi1kalSNo9ghmNhJKNP qaquDdgMCv+cOH/5FIfvlFwB7P5umT4fqUlQM/bI9oerZyQn7Rr56s43Kf9Ge4w7eFZh kI1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:content-transfer-encoding:mime-version :subject:message-id:date:to; bh=wH6gn3iZq71oGWMTOikPXTeONgTjbk6N8vxF6bWnCGE=; b=Wv63U3L9PeQAf9EiRGB/Rtzus3iiPXm9s9AJ2WGwGCkzQ4lcJdp3an6dNCxDXYqEBG Uborh62jqnF3u47nVNuilTNiqWHc4JNbnVMRVGteeZCpV99iwI1+N8BAYi3F0liYcBLh pOPXoLYpWCshfusYNjbFgjCP0IJCFsZDbj9+Oy6HBMgsOOF0e9RCW4rGxwszGyGC2izc 8SWJQxIhw3PSCKiVeBXSumtUzqeNuDhWn+IF6Re2eqrv3rQ5LX3PXsbq/jWadVM38t9y kfDpu97VgVxNGh17EPE9LAPSUwh9Vql63Z2HD7aoLyt8PF5eoh7fjlfqMi90ImU2qoal 2TsQ== X-Gm-Message-State: AKGB3mKEN5SRIFaXJ6HChUiDyD5NIVJXHquB6ByBqjCpr1VshXGpLYJv DHP1VoWXE+32QiqWjZgiM6zrlEuT X-Google-Smtp-Source: AGs4zMaHsP3Nv0NDlucpg6OAEuPryHn2FI6+yBVjWBG2VwLTt/0JqfDxpEcJ8aV0aohquxLqfFhtzw== X-Received: by 10.200.63.43 with SMTP id c40mr20855503qtk.338.1512392085498; Mon, 04 Dec 2017 04:54:45 -0800 (PST) Received: from richs-mbp-10337.lan (d-ptld-bng1-64-223-174-243.ngn.east.myfairpoint.net. [64.223.174.243]) by smtp.gmail.com with ESMTPSA id v17sm9124660qtj.35.2017.12.04.04.54.44 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 04 Dec 2017 04:54:45 -0800 (PST) From: Rich Brown Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\)) Message-Id: Date: Mon, 4 Dec 2017 07:54:44 -0500 To: bloat X-Mailer: Apple Mail (2.3273) Subject: [Bloat] Benefits of Asymmetric links 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: Mon, 04 Dec 2017 12:54:46 -0000 Hi folks, Just to inject a touch of reality into the discussion... > On Dec 3, 2017, at 10:44 PM, bloat-request@lists.bufferbloat.net = wrote: >=20 >> I can buy 300/10 megabit/s access from my cable provider. >=20 > Don't! It would be wonderful to get a fast, symmetric link from my ISP, but = here's the situation for my town in the northeast US: - I currently subscribe to 7mbps/768kbps DSL from Fairpoint=20 - Fairpoint can provide up to 25/1 mbps DSL. - There is one Wireless ISP, who can give 4 mbps service (but it is = symmetric!) Their service is spotty - it's pretty hilly here. - Cell reception is also spotty - there's one bar on the town common (in = the center of town) - you can't reliably make phone calls. - Comcast refuses to serve the town common with cable TV/internet, let = alone my house which is 1.5 miles away. - There's a committee working to see if we could provide fiber = connections to people in town, but no details have been finalized, and = would not happen 'til 2019, if it did. - This is symptomatic of the internet conditions for a huge number of = folks in the US who aren't in heavily populated areas. I won't rant = about the causes (you can guess my thoughts about monopoly providers) = but this is the reality on the ground here.=20 My conclusion: an asymmetric link is far better than no link, so I'm = glad that that people are thinking about ack filtering. Best, Rich=