Date: Tue, 8 Mar 2011 07:58:19 +0100
From: Pavel Machek <pavel@ucw.cz>
To: Tianji Li <Tianji.Li@nuim.ie>
Cc: rick.jones2@hp.com, Dave T?ht <d@taht.net>, sedat.dilek@gmail.com,
	netdev@vger.kernel.org, linux-wireless@vger.kernel.org,
	bloat-devel@lists.bufferbloat.net, linux-kernel@vger.kernel.org
Subject: Re: ANNOUNCE: debloat-testing kernel git tree
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On Thu 2011-03-03 13:45:24, Tianji Li wrote:
> 
> 
> On 03/03/2011 12:16 PM, Rick Jones wrote:
> >>For wireless routers and cable home gateways especially, this research
> >>shows that the total un-managed buffers in your system should be less
> >>than 32.
> >
> >Would it be a good thing to start describing these queues not so much in
> >terms of packets but in terms of delay (or bandwidth X delay)?
> >
> 
> The unit of bandwidth is something like Mbps, that of delay can be
> second, so bandwidth X delay --> Mb, which is the unit of packet
> size. So both packets and delay should have the same effect for
> sizing buffers.

Bandwidth varies greatly with time. On cellphone, you can go from
5KB/sec GPRS to 300KB/sec HSDPA and back...
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
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