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Re: [Project] Managing Available Bandwidth

daemon@ATHENA.MIT.EDU (Michael Callahan)
Wed Jun 14 13:32:09 1995

Date: Wed, 14 Jun 1995 16:47:57 +0100 (BST)
From: Michael Callahan <callahan@maths.ox.ac.uk>
To: Matthias Urlichs <urlichs@smurf.noris.de>
cc: submit-linux-dev-net@ratatosk.yggdrasil.com
In-Reply-To: <3rkecd$6u4@smurf.noris.de>

On 13 Jun 1995, Matthias Urlichs wrote:
[about bandwidth limits]
> Quite simple really. The problem is how to figure out which bw_now / bw_lim
> variables to use. Ideally, you'd have a priority scheme (Telnet first, then
> WWW; FTP and Netnews may soak up the remaining bandwidth), associate one
> or possibly many IP filter records with each priority, and share bw_now
> among them (Telnet and WWW together may not soak up more than XXX kB/sec).

I'd just point out that with well-behaved clients, it makes sense to sort 
based on the IP TOS field, and indeed at the device level Linux does 
maintain separate queues for different priority packets.

(Matthias probably already knew that, but I just thought I'd point it 
out.)

Michael


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