From: Stef Coene <stef.coene@docum.org>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] Explanation reqd. for few (more than few!) concepts in TC <long>
Date: Wed, 29 Oct 2003 18:41:37 +0000 [thread overview]
Message-ID: <marc-lartc-106745527006893@msgid-missing> (raw)
In-Reply-To: <marc-lartc-106732522922215@msgid-missing>
On Wednesday 29 October 2003 15:23, Suraj Shankar wrote:
> IMHO, classification is done by the filter within a
> classful qdisc; but, I was wondering why call a class
> inside a qdisc a class, why not call it a sub-qdisc,
> there must be something more to a class-vs-qdisc.
A qdisc is a queueing discipline : it's a queue for packets. A class is
something virtual that hold some packets from that queue.
> > Since HTB takes bandwidth as parameters, to really
> > have any effect
> > you'll have to know how much bandwidth preciselly
> > you have. Like if you
> > have 128kbps ISDN, you must set HTB classes so that
> > cumulative rates of
> > the classes are not bigger that your real limit. If
> > not the shapping
> > will not be correct and precise.
>
> okey, so ideally for a bandwidth that varies (by few
> bytes) cbq is the best available?
No, you will have the same problem with cbq :(
Stef
--
stef.coene@docum.org
"Using Linux as bandwidth manager"
http://www.docum.org/
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next prev parent reply other threads:[~2003-10-29 18:41 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-28 7:06 [LARTC] Explanation reqd. for few (more than few!) concepts in TC <long> Suraj Shankar
2003-10-28 18:08 ` Stef Coene
2003-10-28 18:08 ` Damjan
2003-10-29 14:23 ` Suraj Shankar
2003-10-29 15:02 ` Suraj Shankar
2003-10-29 15:07 ` Suraj Shankar
2003-10-29 18:41 ` Stef Coene [this message]
2003-10-29 18:59 ` Stef Coene
2003-10-30 5:54 ` Suraj Shankar
2003-10-30 6:10 ` Suraj Shankar
2003-10-30 10:38 ` Stef Coene
2003-10-30 10:43 ` Stef Coene
2003-10-31 7:23 ` Suraj Shankar
2003-10-31 9:47 ` Stef Coene
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