[18495] in North American Network Operators' Group
Re: "Packet Shapers"
daemon@ATHENA.MIT.EDU (Neil J. McRae)
Thu Jul 30 15:51:35 1998
From: "Neil J. McRae" <neil@DOMINO.ORG>
To: sgifford@tir.com
Date: Thu, 30 Jul 1998 20:29:45 +0100 (BST)
Cc: nanog@merit.edu
In-Reply-To: <003701bdbbce$bfc41e00$f8298acd@sgifford.tir.com> from "Scott Gifford" at Jul 30, 98 11:28:48 am
We [COLT Internet] are using the packeteer PS-4000 and it does
everything that the spec says we filled up a 100M ethernet with
several streams of data and it worked very well.
Cheers,
Neil.
>
> I was wondering if anybody out there has had any experience with "Packet
> Shapers," which claim to be able to limit traffic to a particular host,
> host+port, or host+port+url without dropping packets. They apparently watch
> traffic flows and keep track of connections, then dink around with TCP
> window size information to slow traffic down if needed.
>
> The one we have been looking at is called "The Packeteer"
> (http://www.packeteer.com), but I have seen a few others (one of which had a
> really good picture of a pig in the ad).
>
> Do these things work as advertised? Is anybody actively using them inside
> their networks? I don't know enough down-and-dirty information about TCP to
> know if this should work, or if it's just a plastic shell filled with
> snake-oil...
>
> Thanks for any information. Email if you like, I will post a summary if
> people are interested.
>
> ------Scott.
>
>
--
Neil J. McRae. Alive and Kicking. Domino: In the glow of the night.
neil@DOMINO.ORG NetBSD/sparc: 100% SpF (Solaris protection Factor)
Free the daemon in your <A HREF="http://www.NetBSD.ORG/">computer!</A>