Subject: Re: bandwidth shaping
To: Yubyub bird <firstname.lastname@example.org>
From: Steven M. Bellovin <email@example.com>
Date: 01/09/2001 22:00:08
In message <Pine.NEB.firstname.lastname@example.org>, Yubyub
>I am in need of a way to _introduce_ delays in a network. Basically, we
>have to test a few different protocols and how they react to added
>latencies at high bandwidth.
>Every piece of networking knowledge that I know of relates somehow to
>decreasing latency and delays. Is there a piece of functionality in
>NetBSD (such as a traffic shaper) that will allow me to introduce a delay
>while maintaining a high bandwidth? Possibly with adjustable bandwidth
>(so I could, say, emulate an international E1 or such)?
It would be really nice (hint, hint) if someone would port the dummynet
code from FreeBSD -- I think it would do exactly what you want.
Failing that, it should be easy enough to write something using the