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From: Markus Schulz <msc@antzsystem.de>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] Patch to allow for the ATM "cell tax"
Date: Thu, 02 Mar 2006 13:37:58 +0000	[thread overview]
Message-ID: <200603021437.58824.msc@antzsystem.de> (raw)
In-Reply-To: <1141284603.10264.168.camel@ras.pc.brisbane.lube>

Am Donnerstag, 2. März 2006 08:30 schrieb Russell Stuart:
> I have been trying to optimise my ADSL connections for VOIP.
> Funny things were happening - for example increasing the ping
> packet size by 50% had no effect, but then adding one byte
> had a major effect.  It took me a while to figure out that I
> was seeing the effects of the fixed ATM cell size.

[ ADSL - ATM/AAL5/LLC Overhead description ]

this stuff is well documented in Jesper Dangaard Brouer master thesis 
found at: http://www.adsl-optimizer.dk/thesis/

There exists also patches which do static overhead rate table 
calculation (incl. ATM Cell alignment) or per packet overhead 
calculation for htb or other qdiscs.

Why you don't use the existing overhead parameter? It's useless to have 
two parameters which do the exact same thing (existing overhead and 
your atm).
Only ATM Cell alignment must be added to rate table calculation.


-- 
Markus Schulz
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  reply	other threads:[~2006-03-02 13:37 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-03-02  7:30 [LARTC] Patch to allow for the ATM "cell tax" Russell Stuart
2006-03-02 13:37 ` Markus Schulz [this message]
2006-03-02 13:51 ` Markus Schulz
2006-03-02 15:49 ` Andy Furniss
2006-03-02 19:54 ` Adam James
2006-03-02 21:35 ` Andy Furniss
2006-03-02 22:18 ` Russell Stuart
2006-03-02 22:23 ` Stephen Hemminger
2006-03-02 22:45 ` Jason Boxman
2006-03-02 23:44 ` Russell Stuart
2006-03-03  0:27 ` Jason Boxman
2006-03-03  0:43 ` Russell Stuart
2006-03-03  1:23 ` Markus Schulz
2006-03-03  1:49 ` Markus Schulz
2006-03-03  1:54 ` Russell Stuart
2006-03-03  2:23 ` Markus Schulz
2006-03-03  2:27 ` gentoo
2006-03-03 13:43 ` Andreas Hasenack
2006-03-03 16:18 ` Jason Boxman
2006-03-03 16:45 ` Andreas Hasenack
2006-03-03 18:45 ` Jason Boxman
2006-03-03 19:34 ` Andreas Hasenack
2006-03-05 19:27 ` Andy Furniss
2006-03-06 17:26 ` Jesper Dangaard Brouer
2006-03-13 18:09 ` Jason Boxman
2006-03-14  0:34 ` Russell Stuart
2006-03-14  0:49 ` Jason Boxman
2006-03-14  1:26 ` Russell Stuart
2006-03-14  2:10 ` Adam James
2006-03-14 13:14 ` Andy Furniss
2006-03-14 13:25 ` Andy Furniss
2006-03-14 23:28 ` Russell Stuart
2006-03-15  0:29 ` Andy Furniss
2006-12-06 18:59 ` Taylor, Grant

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