From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <david@lang.hm>
Received: from bifrost.lang.hm (mail.lang.hm [64.81.33.126])
	(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
	(Client did not present a certificate)
	by huchra.bufferbloat.net (Postfix) with ESMTPS id CCBAB21F5A3
	for <bloat@lists.bufferbloat.net>; Fri, 22 Aug 2014 16:30:30 -0700 (PDT)
Received: from asgard.lang.hm (asgard.lang.hm [10.0.0.100])
	by bifrost.lang.hm (8.13.4/8.13.4/Debian-3) with ESMTP id
	s7MNUTad025434; Fri, 22 Aug 2014 16:30:29 -0700
Date: Fri, 22 Aug 2014 16:30:29 -0700 (PDT)
From: David Lang <david@lang.hm>
X-X-Sender: dlang@asgard.lang.hm
To: "Steinar H. Gunderson" <sgunderson@bigfoot.com>
In-Reply-To: <20140821093048.GA26169@sesse.net>
Message-ID: <alpine.DEB.2.02.1408221629530.19968@nftneq.ynat.uz>
References: <CAA93jw4WxTcZk8+H_00kSYff0SSApE0TmFdFiQ+OZP-ym4cNng@mail.gmail.com>
	<91696A3A-EF44-4A1A-8070-D3AF25D0D9AC@netapp.com>
	<CAGhGL2Cb9fFnhVEkhPDhaf3dj4zBJmYB_WPc3+RaAZ9_+aC5wQ@mail.gmail.com>
	<alpine.DEB.2.02.1408211122040.7929@uplift.swm.pp.se>
	<20140821093048.GA26169@sesse.net>
User-Agent: Alpine 2.02 (DEB 1266 2009-07-14)
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
Cc: bloat@lists.bufferbloat.net
Subject: Re: [Bloat] sigcomm wifi
X-BeenThere: bloat@lists.bufferbloat.net
X-Mailman-Version: 2.1.13
Precedence: list
List-Id: General list for discussing Bufferbloat <bloat.lists.bufferbloat.net>
List-Unsubscribe: <https://lists.bufferbloat.net/options/bloat>,
	<mailto:bloat-request@lists.bufferbloat.net?subject=unsubscribe>
List-Archive: <https://lists.bufferbloat.net/pipermail/bloat>
List-Post: <mailto:bloat@lists.bufferbloat.net>
List-Help: <mailto:bloat-request@lists.bufferbloat.net?subject=help>
List-Subscribe: <https://lists.bufferbloat.net/listinfo/bloat>,
	<mailto:bloat-request@lists.bufferbloat.net?subject=subscribe>
X-List-Received-Date: Fri, 22 Aug 2014 23:30:31 -0000

On Thu, 21 Aug 2014, Steinar H. Gunderson wrote:

> On Thu, Aug 21, 2014 at 11:23:01AM +0200, Mikael Abrahamsson wrote:
>> I also remember a problem that was solved by turning down the
>> transmit power of the APs, as they were causing problems due to too
>> much interference between them. Sometimes the solutions aren't all
>> intuitive, and +1 on the experience of running these kinds of
>> networks being important.
>
> This is very common on 2.4 GHz (and will happen by itself in a
> controller-based setup). Anything that reduces the cell size is good
> (assuming you have enough APs for all the resulting cells); if you go to big
> stadiums etc., you will also see lots of directional antennas to reduce the
> cell size further.
>
> Note that the AP also can ask _clients_ to reduce their power level
> accordingly.

can you give a pointer to this? I'd like to check if openwrt does this and how 
to configure it (and if not, what would it take to get it added)

David Lang