RE: [LARTC] Split bandwidth equally per IP

["Mihai Vlad" <mihaivlad@web-profile.net>]

Hello Martin, 

I have recently read your howto from:
http://www.ibiblio.org/pub/Linux/docs/HOWTO/other-formats/html_single/Traffi
c-Control-HOWTO.html

I quote: 

"Of the many types of contention for network bandwidth, this is one of the
easier types of contention to address in general. By using the SFQ qdisc,
traffic in a particular queue can be separated into flows, each of which
will be serviced fairly (inside that queue). Well-behaved applications (and
users) will find that using SFQ and ESFQ are sufficient for most sharing
needs. 

The Achilles heel of these fair queuing algorithms is a misbehaving user or
application which opens many connections simultaneously (e.g., eMule,
eDonkey, Kazaa). By creating a large number of individual flows, the
application can dominate slots in the fair queuing algorithm. Restated, the
fair queuing algorithm has no idea that a single application is generating
the majority of the flows, and cannot penalize the user. Other methods are
called for."







Can you post a real script using esfq, that splits the bandwidth equally per
IP? 

The documentation on esfq is scarce and I have no idea where to start from.

Thanks again for your time.








-----Original Message-----
From: Martin A. Brown [mailto:mabrown-lartc@securepipe.com] 
Sent: Friday, December 05, 2003 7:03 PM
To: Mihai Vlad
Cc: lartc@mailman.ds9a.nl
Subject: RE: [LARTC] Split bandwidth equally per IP

Achtung!  There is already an esfq qdisc [0] which does this!  This patch
may be a good one, but since esfq already exists, perhaps you could try
that instead.

-Martin

 [0] http://www.ssi.bg/~alex/esfq/index.html

-- 
Martin A. Brown --- SecurePipe, Inc. --- mabrown@securepipe.com



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