From: Steven A. Ridder (saridder@xxxxxxxxx)
Date: Thu Jul 04 2002 - 18:12:40 GMT-3
Car isn't for outbound, that's what shape is for.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Joerg Kohlenz
Sent: Tuesday, July 02, 2002 3:52 PM
To: 'Ted Richmond'
Cc: ccielab@groupstudy.com
Subject: AW: CAR vs CBWFQ
hi,
car is a mechanism that you can use to limit bandwidth on interface
basis, not as a queueing mechanism. car did nor realy allocate the
bandwith, it rather limits the physical bandwidth and drops (or other
defined) f.e. based on mpls experimental, ip precedence ...
cbwfq (like weighted fair queueing) is a congestion mechansim that you
use for queueing for f.e. ip-qos or mpls-qos features. it is important
when you want to tune different qos services classes before they are
indeed queued by wred, red, dwred or flow-based wred ...
so maybe you can think about car is an instance that will come after you
do cbwfq. that means that maybe with cbwfq and wred packets are already
dropped before they come to car mechansims.
hmmm... hope that helps :-)
-----Urspr|ngliche Nachricht-----
Von: nobody@groupstudy.com [mailto:nobody@groupstudy.com]Im Auftrag von
Ted Richmond Gesendet am: Dienstag, 2. Juli 2002 08:52
An: ccielab@groupstudy.com
Betreff: CAR vs CBWFQ
I am totally confused now!!!
Can someone tell me when to use CAR / CBWFQ. Looks
like both can be used to allocate bandwidth to
different connections.
Thanks.
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