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Date:      Tue, 12 Oct 2004 23:18:13 -0500
From:      "Charles R. Hunter" <crh@physics.purdue.edu>
To:        freebsd-ipfw@freebsd.org
Subject:   bursting traffic?
Message-ID:  <20041013041813.GH67624@curie.physics.purdue.edu>

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Hello!

I'm pretty new to ipfw with respect to using dummynet pipes and 
queues for traffic shaping. For the life of me, I can't figure out
how to do something I want:

How to force my interface to burst its traffic.

That is, I want a pipe that  has a delay of A and
a bandwidth of B but will stall itself at the *end* of 
a count C of slots/bytes/whatever for a defined waiting period D
and then continue.

Do I want a configurable queue delay maybe?

The ipfw/dummynet docs talk about the delay caused by a deep queue
but doesn't mention a way to explicitly set a delay like you
can for pipes.

Is there any way to accompish this with multiple pipes and queues
perhaps?

Thanks,

Charles
-- 
Charles R. Hunter
Director, Physics Computer Network
Purdue University  crh XatX physics.purdue.edu



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