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From: sophana <sophana78@yahoo.fr>
To: lartc@vger.kernel.org
Subject: [LARTC] Re: has anyone tried adsl-optmizer kernel patches for dsl
Date: Thu, 24 Nov 2005 21:32:14 +0000	[thread overview]
Message-ID: <4386315E.2030604@yahoo.fr> (raw)

Andy Furniss wrote:

>
> Nothing to do with htb classes, though you are right about small 
> packets  being a pain - they typically use 2 x 53 byte atm cells.
>
> The patches make htb lookup the delay of one less than the aal5 length 
> in a table that is generated by a patched tc so the delay returned is 
> the delay of the packet when it is atm cells.

You are right. He is calculating the exact overhead of pppoa inside the 
kernel (not pppoe because pppoe is not the point of congestion). He also 
modified tc so that overhead can be tweaked in the script.

I know the exact atm rate of my adsl line. So it should be possible to 
make an exact scheduling.

The most important application is VOIP on low rate adsl uploads because 
VOIP packets are small.

I still don't understand why this is not included in the kernel and tc...

My problem is that I have a 2.6.x kernel and his patch is for 2.4.x kernel.
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                 reply	other threads:[~2005-11-24 21:32 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

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