From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-la0-x229.google.com (mail-la0-x229.google.com [IPv6:2a00:1450:4010:c03::229]) (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 CEDAA21F1DD for ; Tue, 29 Apr 2014 00:43:41 -0700 (PDT) Received: by mail-la0-f41.google.com with SMTP id el20so3515133lab.28 for ; Tue, 29 Apr 2014 00:43:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mithrandi.net; s=google; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=JA9SI1CS1k9hpYUMEG2Whz6yd8kRRDTP7eYFsY7oyTE=; b=cITQH3hPA4oELxvRqhFeMaDdEfnq2mFrshheUrbXhUhlYI08seY2TDmiQRpFr9exTr e8hCtfTxKT78TO2wVRT/su5OckPHDM1HBRSV+sWippWDWAfF+1asgS8Am5/eOmaAfmbL 3q5fpentuvEkg9/tQaB2bO1/0J8V7rYDxteCg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=JA9SI1CS1k9hpYUMEG2Whz6yd8kRRDTP7eYFsY7oyTE=; b=aYSphSOWLZVpULtsWfbz3x14+UV+kefpty7Se74sLv7er5z3FNUVCkFqBW7spV+FwM mPwMK6Jy30CDAQBnSyoyCsRiMxNMnB/yN4N+RNjknsCiTC3LiG/+NSHchkjkDRhKZCCm +zC5LL7gVrqL7eXulB11T2SPaXBvNjfsApMBd9HQXkE/JWKufAyIDJ1kPj5KU3rfrs0r C5VHnYaKrk+Xc9q4ftbkaOU+SdZyFbm1D+hO0hOy/W8MHPytFBGEuowK5FxPGbigE/aa E0AxlBvOt/qt4IVaxIagbPzTbNik+e6LJ+nVOd5gLGRITH025ZElY96q+bkE0TDd9fBU zGaQ== X-Gm-Message-State: ALoCoQkQ7UFxjVCZ/S0EefPqIp1u1xraqNAnfj/6CBbPSbe52c9IlBt1VgRXoyW6A+B2sFpX4Mqu MIME-Version: 1.0 X-Received: by 10.112.52.104 with SMTP id s8mr21366779lbo.7.1398757419130; Tue, 29 Apr 2014 00:43:39 -0700 (PDT) Received: by 10.114.157.10 with HTTP; Tue, 29 Apr 2014 00:43:39 -0700 (PDT) In-Reply-To: References: Date: Tue, 29 Apr 2014 09:43:39 +0200 Message-ID: From: Tristan Seligmann To: Mikael Abrahamsson Content-Type: text/plain; charset=UTF-8 Cc: bloat , "cerowrt-devel@lists.bufferbloat.net" , "aqm@ietf.org" Subject: Re: [Cerowrt-devel] [Bloat] [aqm] the side effects of 330ms lag in the real world X-BeenThere: cerowrt-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: Development issues regarding the cerowrt test router project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Apr 2014 07:43:42 -0000 On 29 April 2014 09:08, Mikael Abrahamsson wrote: > Also, what access method has 300 ms access latency, let alone 3 seconds? > None that I know of, the meaningful comparison would be ADSL2+ at around > 25ms and 3G at around 50-100ms. Latencies on my ADSL2+ connection in Johannesburg, South Africa to my ISP, a host in the UK, and a host in the USA: --- www.mweb.co.za ping statistics --- 10 packets transmitted, 10 received, 0% packet loss, time 9011ms rtt min/avg/max/mdev = 33.720/38.594/66.841/9.507 ms --- anor.aduial.net ping statistics --- 10 packets transmitted, 10 received, 0% packet loss, time 9010ms rtt min/avg/max/mdev = 197.966/201.981/211.580/4.619 ms --- speedtest.atlanta.linode.com ping statistics --- 10 packets transmitted, 10 received, 0% packet loss, time 9001ms rtt min/avg/max/mdev = 285.859/292.451/331.214/13.285 ms And of course, I have bufferbloat mitigation in play. -- mithrandi, i Ainil en-Balandor, a faer Ambar