[altq 689] Re: How to configure altq as a RED router

[Tatsuhiko Terai <terai@nal.ics.es.osaka-u.ac.jp>]

>I'd like to use ALTQ as below.
>
>+-------+          +----------------+           +---------+
>+Server +----------+RED router(ALTQ)+-----------+Client   + 
>+-------+1000Base  +-------+--------+1000Base   +---------+
>   (ti0)          (ti0)           (ti1)        (ti0)   
>192.168.0.1    192.168.0.2         192.168.1.2    192.168.1.1       
>                           
>(skip)
>Without ALTQ working, the result of TCP throughput using netperf is
>below
>      Sender and Receiver's buffer size : 1048576 byte
>      Server -- router : 630 Mbps
>      Server -- router -- Client : 350 Mbps
>
>I think this decrease of throughput is because of PC router overhead
>(Is it right? I wonder)

I forgot to write machine spec.
Server and Client machines are P-III 1GHz and 512MB RIMM memory
Router machine is P-III 933MHz and 256MB RIMM memory
OS version is FreeBSD-4.2R and ALTQ version is 3.0