From owner-freebsd-net@FreeBSD.ORG  Mon Sep 28 14:50:51 2009
Return-Path: <owner-freebsd-net@FreeBSD.ORG>
Delivered-To: freebsd-net@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 48B82106566B
	for <freebsd-net@freebsd.org>; Mon, 28 Sep 2009 14:50:51 +0000 (UTC)
	(envelope-from a.kuriger@liquidphlux.com)
Received: from mail.liquidphlux.com (mail.liquidphlux.com [209.98.210.169])
	by mx1.freebsd.org (Postfix) with ESMTP id 1231D8FC1D
	for <freebsd-net@freebsd.org>; Mon, 28 Sep 2009 14:50:50 +0000 (UTC)
Received: by mail.liquidphlux.com (Postfix, from userid 80)
	id 8F5DA4EBFC5; Mon, 28 Sep 2009 09:33:43 -0500 (CDT)
To: "Paul B. Mahol" <onemda@gmail.com>
MIME-Version: 1.0
Date: Mon, 28 Sep 2009 09:33:43 -0500
From: Andrew Kuriger <a.kuriger@liquidphlux.com>
In-Reply-To: <3a142e750909280701s5276f6acy1d83a0a4476653fa@mail.gmail.com>
References: <20090928120734.GA3669@current.Sisis.de>
	<3a142e750909280701s5276f6acy1d83a0a4476653fa@mail.gmail.com>
Message-ID: <52dc872e27534cfb561ac611ba11b7df@mail.liquidphlux.com>
X-Sender: a.kuriger@liquidphlux.com
User-Agent: RoundCube Webmail/0.3-stable
Content-Transfer-Encoding: 8bit
Content-Type: text/plain; charset=UTF-8
Cc: freebsd-net@freebsd.org, Matthias Apitz <guru@unixarea.de>
Subject: Re: WLAN performance Windows/XP ./. FreeBSD 8-CURRENT
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 28 Sep 2009 14:50:51 -0000


On Mon, 28 Sep 2009 16:01:53 +0200, "Paul B. Mahol" <onemda@gmail.com>
wrote:
> On 9/28/09, Matthias Apitz <guru@unixarea.de> wrote:
>>
>> Hello,
>>
>> I am wondering what could cause the following WLAN performance diff
>> between a XP and 8-CURRENT laptop, sitting side by side and connected
to
>> the same AP:
>>
>> OS           XP               8-CURRENT
>> NIC          Intel 3945ABG    Atheros 5424/2424
>> Ping         6ms              116ms
>> downstream   9.05Mbit/s       6.58Mbit/s
>> upstream     6.58Mbit/s       4.55Mbit/s
>>
>> measured with http://www.speedtest.net/ against the same remote server
>> at the same time... Any ideas?
> 
> Emulated flash?

I have also found that speedtest(s) aren't always that accurate at all
either. If you really wanted to test the speed diffs you may want to attach
a local file server, and check upload and download speeds against a local
server instead of an unknown remote host for accurate results.

~Andrew