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From: Werner Almesberger <wa@almesberger.net>
To: lartc@vger.kernel.org
Subject: [LARTC] Re: [Linux Diffserv] TC architecture made for Diffserv on linux is wrong !!!  why?
Date: Fri, 29 Jun 2001 04:35:10 +0000	[thread overview]
Message-ID: <marc-lartc-99378938330463@msgid-missing> (raw)

jinho Hwang wrote:
> 	As this output's sch_dsmark has a FIFO queue, Best effort traffic
> and AF classes traffic is 
> 		combined and does not guaranteed AF classes.

Hmm, so why don't you use CBQ/PRIO and maybe GRED then, i.e. something
that gives AF priority over BE ?

> 	To solve  these demerits, I made  ingress marker in linux kernel 2.4.x.
> 	that is, I take DSCP marking part 's position in input device part .

You don't have to mark in order to classify based on the DS field.
Just use skb->tc_index to convey that information. You can set
skb->tc_index at ingress or at egress (with dsmark).

- Werner

-- 
  _________________________________________________________________________
 / Werner Almesberger, Lausanne, CH                    wa@almesberger.net /
/_http://icawww.epfl.ch/almesberger/_____________________________________/

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                 reply	other threads:[~2001-06-29  4:35 UTC|newest]

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