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
Date: Tue, 8 Mar 2011 07:58:19 +0100 [thread overview]
Message-ID: <20110308065819.GA1357@ucw.cz> (raw)
In-Reply-To: <4D6FEFD4.9010608@nuim.ie>
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
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2011-03-08 6:58 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-25 22:22 ANNOUNCE: debloat-testing kernel git tree John W. Linville
2011-02-27 15:23 ` Sedat Dilek
2011-02-27 15:23 ` Sedat Dilek
2011-02-27 15:31 ` Dave Täht
2011-02-27 15:31 ` Dave Täht
2011-02-27 15:38 ` Sedat Dilek
2011-02-27 15:56 ` Dave Täht
2011-02-27 16:01 ` Sedat Dilek
2011-02-27 16:01 ` Sedat Dilek
2011-02-27 16:25 ` Dave Täht
2011-02-27 16:25 ` Dave Täht
2011-03-03 18:16 ` Rick Jones
2011-03-03 18:19 ` John W. Linville
2011-03-03 19:45 ` Tianji Li
2011-03-03 19:45 ` Tianji Li
2011-03-03 22:33 ` Rick Jones
2011-03-08 6:58 ` Pavel Machek [this message]
2011-03-08 18:48 ` Rick Jones
2011-03-08 18:48 ` Rick Jones
2011-03-13 10:27 ` Pavel Machek
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