From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-vc0-x22b.google.com (mail-vc0-x22b.google.com [IPv6:2607:f8b0:400c:c03::22b]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id EF72121F26A for ; Thu, 12 Mar 2015 12:07:09 -0700 (PDT) Received: by mail-vc0-f171.google.com with SMTP id hy10so6199594vcb.2 for ; Thu, 12 Mar 2015 12:07:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=I+kxaT2wp4oJDKgYNydZCR1mfx/aH3Yw2uV8xO7w14w=; b=cnYlLJKNm98OKyTVmWuY99GsZ6NKBIaySDAFwIHvJAXe9ht0ljsMB7c4Y4Tf1uameV XSc0G3Y6ZTEEj9NboXeimCWAS5JYHepwMJh2Ufhc/ObYTppmflPvhGNdshYhx7W4Nyyj 1xv6wBUcL1x3t2vYCPQWUyfxtuc7J19n69hd8v4S8CJenCy/jPjULvKVVKLRRBb9qloC cHJdn3Rfbos/rfqyF79YfyxrA/gaC6u2+cE5LWKudEcbPJlUgUwIIn5QxoLmC1iN1zM7 VzX7MsUdQKxobUJgwzzPlMyGWMbDHQjpAP8BfXSMzq5Fd6hClq40spXwyeiMufD8ZQZX 0Eaw== MIME-Version: 1.0 X-Received: by 10.52.243.41 with SMTP id wv9mr49336251vdc.20.1426187228617; Thu, 12 Mar 2015 12:07:08 -0700 (PDT) Received: by 10.52.92.65 with HTTP; Thu, 12 Mar 2015 12:07:08 -0700 (PDT) Received: by 10.52.92.65 with HTTP; Thu, 12 Mar 2015 12:07:08 -0700 (PDT) In-Reply-To: References: Date: Thu, 12 Mar 2015 21:07:08 +0200 Message-ID: From: Jonathan Morton To: Narseo Vallina Rodriguez Content-Type: multipart/alternative; boundary=001a1134013825220005111c175c Cc: Kartik Agaram , Jordan Peacock , bloat Subject: Re: [Bloat] http/2 X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Mar 2015 19:07:38 -0000 --001a1134013825220005111c175c Content-Type: text/plain; charset=UTF-8 Tell me: does a Nokia E70 support fast dormancy? And how does a less than 2 second setup latency translate into a 45 seconds latency under continuous load with continuous, smooth packet delivery? Which evaporates to half a second if I clamp the TCP receive window down to a sane value? Those are the facts I established years ago. They're still true today with a newer handset/dongle tethered. - Jonathan Morton --001a1134013825220005111c175c Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

Tell me: does a Nokia E70 support fast dormancy? And how doe= s a less than 2 second setup latency translate into a 45 seconds latency un= der continuous load with continuous, smooth packet delivery? Which evaporat= es to half a second if I clamp the TCP receive window down to a sane value?=

Those are the facts I established years ago. They're sti= ll true today with a newer handset/dongle tethered.

- Jonathan Morton

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