From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qg0-x22a.google.com (mail-qg0-x22a.google.com [IPv6:2607:f8b0:400d:c04::22a]) (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 5329F21F373 for ; Fri, 8 May 2015 06:20:15 -0700 (PDT) Received: by qgej70 with SMTP id j70so36085966qge.2 for ; Fri, 08 May 2015 06:20:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=content-type:mime-version:subject:from:in-reply-to:date:cc :message-id:references:to; bh=wNmSOimfa5Yr1+isToUaRkI6Mw7bK2qUhYEk1F4Arz0=; b=iLsWuh1KFSg3gm0QjcDXI82XA4NH2P+96AiTzUNk9nlIn618oz3NlOpcNnNOPnzTkC MfX2RBSlJov9z53JWQpYBGfhzQok8Yh1xYP0E6JG2fejOdwLUT7qRzNOcnnDILGspvcz AIqe5QlxTwQ5FZwyuXGe3tlfLQ+kB9pd+jEwSqAT3T40xcPZN9pZEbjCQKHjgFVj2sb/ wxjZBNdKjtLJ10uByf3ov0sbXg3JVMyvtel6XwhSmLcZGwgKCI65fAaD64/y9JMdjO2J p2I4XYbGmrwiQBF770sX+5TkgfQeStzVjn2dB/ZcQs8+Xnw7qM1fqnzk9oaY4igXxJIX RqIQ== X-Received: by 10.140.92.42 with SMTP id a39mr4741862qge.19.1431091214642; Fri, 08 May 2015 06:20:14 -0700 (PDT) Received: from richs-mbp-12005.home.lan (pool-71-169-155-204.burl.east.myfairpoint.net. [71.169.155.204]) by mx.google.com with ESMTPSA id 21sm3554593qks.47.2015.05.08.06.20.08 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 08 May 2015 06:20:08 -0700 (PDT) Content-Type: multipart/alternative; boundary="Apple-Mail=_49B6E248-A82C-440D-9EA5-DB00543A02E2" Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Rich Brown In-Reply-To: Date: Fri, 8 May 2015 09:20:06 -0400 Message-Id: <11451A60-6B68-4987-939C-E2F4F18D19B1@gmail.com> References: <6C0D04CF-53AA-4D18-A4E4-B746AF6487C7@gmx.de> <87wq123p5r.fsf@toke.dk> <2288B614-B415-4017-A842-76E8F5DFDE4C@gmx.de> <553B06CE.1050209@superduper.net> <14ceed3c818.27f7.e972a4f4d859b00521b2b659602cb2f9@superduper.net> <0C930D43-A05B-48E2-BC01-792CAA72CAD1@gmx.de> <5549A1B8.50005@superduper.net> <9CF0E173-2CE5-4950-84D1-44EAEF174882@gmx.de> To: jb X-Mailer: Apple Mail (2.1878.6) Cc: bloat Subject: Re: [Bloat] DSLReports Jitter/PDV test 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: Fri, 08 May 2015 13:20:44 -0000 --Apple-Mail=_49B6E248-A82C-440D-9EA5-DB00543A02E2 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On May 7, 2015, at 6:44 AM, jb wrote: > There is a web socket based jitter tester now. It is very early stage = but works ok. >=20 > http://www.dslreports.com/speedtest?radar=3D1 I was surprised to see how *good* a test the websocket could be. It = appears to add only a couple msec over the ICMP Echo timings. Here are a few samples from the web page. The first four columns show = the values from the PDV test; the final column is the min/avg/max/stddev = from ping. NY, USA 162.248.95.144 41 +3ms 38.677/40.405/43.192/1.269 ms CO, USA 72.5.102.138 80 +3ms 79.305/81.531/85.514/1.540 ms LA, USA 162.248.93.162 108 +5ms 105.225/106.540/108.358/0.877 ms Nice work, Justin! Rich= --Apple-Mail=_49B6E248-A82C-440D-9EA5-DB00543A02E2 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii
On May 7, 2015, at 6:44 AM, jb <justin@dslr.net> wrote:

There is a web socket based jitter tester now. It is very = early stage but works ok.


I was = surprised to see how *good* a test the websocket could be. It appears to = add only a couple msec over the ICMP Echo = timings.

Here are a few samples from the web = page. The first four columns show the values from the PDV test; the = final column is the min/avg/max/stddev from = ping.

NY, USA 162.248.95.144 41 +3ms = 38.677/40.405/43.192/1.269 ms

CO, = USA = 72.5.102.138 80 +3ms 79.305/81.531/85.514/1.540 = ms

LA, USA 162.248.93.162 108 +5ms = 105.225/106.540/108.358/0.877 ms

Nice = work, Justin!

Rich
= --Apple-Mail=_49B6E248-A82C-440D-9EA5-DB00543A02E2--