From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wy0-f171.google.com (mail-wy0-f171.google.com [74.125.82.171]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id A3AF1200ABA for ; Fri, 23 Sep 2011 02:09:53 -0700 (PDT) Received: by wyh13 with SMTP id 13so3157602wyh.16 for ; Fri, 23 Sep 2011 02:09:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=fLlAH8I0WjUkMCo+Ua8TmiViqTuTxJio3qCQEsikqSc=; b=rHQWr6tPDjhGacIGJxrGyYOhc8+G4chXbPmhSeA+YcWyMmDX0WjDlAVP+W6rE8Vjzp LRhmnUyili8BQtqJD8zjPtNPPj/xsmL1Q6bS940NwWqifqdZLu7EBHK5bNEefnDrMpsy Ljht0FahMNeIQyIRplZcwS1zwxdwqLuBP6njk= Received: by 10.227.5.193 with SMTP id 1mr1769685wbw.57.1316768991735; Fri, 23 Sep 2011 02:09:51 -0700 (PDT) Received: from [192.168.1.6] (68.3-64-87.adsl-dyn.isp.belgacom.be. [87.64.3.68]) by mx.google.com with ESMTPS id h20sm15398382wbo.22.2011.09.23.02.09.50 (version=SSLv3 cipher=OTHER); Fri, 23 Sep 2011 02:09:51 -0700 (PDT) Message-ID: <4E7C4CDE.4060308@gmail.com> Date: Fri, 23 Sep 2011 11:09:50 +0200 From: Jan Ceuleers User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.21) Gecko/20110831 Thunderbird/3.1.13 MIME-Version: 1.0 To: bloat-devel@lists.bufferbloat.net Subject: Re: Preliminary results of using GPS to look for clock skew References: <20110921230205.2275820C2E5@snark.thyrsus.com> <20110922021137.GB21302@thyrsus.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: bloat-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: "Developers working on AQM, device drivers, and networking stacks" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Sep 2011 09:09:54 -0000 On 09/22/2011 04:24 AM, Jonathan Morton wrote: > When the *network* is loaded, the latency to the NTP server changes. > That is likely to confuse ntpd - it certainly did when I lived on an > analogue modem. Look at the huff'n'puff filter for how ntpd addresses this concern. http://www.eecis.udel.edu/~mills/ntp/html/huffpuff.html Jan