Date: Sun, 13 Mar 2011 11:27:17 +0100
From: Pavel Machek <pavel@ucw.cz>
To: Rick Jones <rick.jones2@hp.com>
Cc: Tianji Li <Tianji.Li@nuim.ie>, 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
Message-ID: <20110313102716.GC1827@ucw.cz>
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Hi!

> > Bandwidth varies greatly with time. On cellphone, you can go from
> > 5KB/sec GPRS to 300KB/sec HSDPA and back...
> 
> How quickly/often and does that trigger an event in the host that would
> allow adjustment of the queue?

I'd expect it to get fast when you leave the building, and back to
slow when you re-enter. It all depends how good 3G coverage is, but
seeing it change more than once a minute is not that uncommon.

Event... not sure. Linux can ask for current signal strength, and I
assume connection type works in similar way...
								Pavel

-- 
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