From: Stef Coene <stef.coene@docum.org>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] cbq vs htb?
Date: Thu, 15 May 2003 17:00:06 +0000 [thread overview]
Message-ID: <marc-lartc-105301811830751@msgid-missing> (raw)
In-Reply-To: <marc-lartc-105301464526654@msgid-missing>
On Thursday 15 May 2003 18:01, Griem, Hans T wrote:
> Hello,
>
> Does anyone know when one should use cbq versus (simpler more accurate)
> htb? Specifically does cbq have added functionality that may be of
> interest to certain applications?
>
> from htb home> Both CBQ and HTB help you to control the use of the
> outbound bandwidth on a given link. Both allow you to use one physical link
> to simulate several slower links and to send different kinds of traffic on
> different simulated links. In both cases, you have to specify how to divide
> the physical link into simulated links and how to decide which simulated
> link to use for a given packet to be sent.
> http://luxik.cdi.cz/~devik/qos/htb/manual/userg.htm
>
> Thanks for any insight,
- Cbq uses the physical link situation to caculate the rate. Example : if you
want to send 1mbit on a 10mbit you need an idle time of 90% on the link.
This can be a problem if you want to shape on ppp connection that can have a
different link bandwidth.
- Htb is better documented (at least I have a better understanding of htb).
- Htb is active maintained.
- Cbq has some obscure options. And it's not always clear what they do.
Stef
--
stef.coene@docum.org
"Using Linux as bandwidth manager"
http://www.docum.org/
#lartc @ irc.oftc.net
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next prev parent reply other threads:[~2003-05-15 17:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-15 16:01 [LARTC] cbq vs htb? Griem, Hans T
2003-05-15 17:00 ` Stef Coene [this message]
2003-05-15 17:17 ` Intercom - Roberto Ravetti
2003-05-15 18:13 ` Griem, Hans T
2003-05-15 18:26 ` Stef Coene
2003-05-22 21:11 ` Stef Coene
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