From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Devera Date: Mon, 09 Sep 2002 21:53:14 +0000 Subject: Re: [LARTC] Re: questiona about CBQ algorithm in Linux Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lartc@vger.kernel.org heh you was a bit faster Alexey ;-) On Mon, 9 Sep 2002 kuznet@ms2.inr.ac.ru wrote: > Hello! > > > Sorry for my stubborn question. I read the S.Floyd paer "Link-sharing and > > resource mamagement...." On page 5, they said" The estimator estimates the > > bandwidth used byeach class over the appropriate time interval, to determine > > whether or not each class has been receiveing its link -sharing > > bandwidth..." > > Appendix A. > > > > sch_cbq.c comments, not quite sure one line" Linux has no EOI event, so that > > we ca not estimater true idle class idle time..." > > what's EOI event, This is why in Linux, CBQ canot measure bandwidth? > > No. No OSes have "EOI event". :-) > > CBQ does not measure bandwidth because it does not need it. Period. > Listen, please, do not waste your time for useless phylosophical meditations, > read the paper instead. > > Alexey > _______________________________________________ > LARTC mailing list / LARTC@mailman.ds9a.nl > http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/ > > _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/