Re: Re: questiona about CBQ algorithm in Linux

Linux Advanced Routing and Traffic Control

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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
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>

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