Re: [nsp] Traffic management for Colo centers

From: Chris Roberts (chris.roberts@uk.easynet.net)
Date: Wed Dec 06 2000 - 09:25:15 EST


We also use traffic-shape, which is what I suggested originally ;)

On Tue, Dec 05, 2000 at 11:20:32AM -0500, Alex wrote:
>
> Why not just use traffic-shape? That simulates a nice full pipe and is
> TCP-friendly.
>
>
>
> On Mon, 4 Dec 2000, Chris Roberts wrote:
>
> > On flows of this size, I can see CAR producing better results. However
> > since it does no smoothing of flows, it produces nasty TCP performance,
> > as when customers burst, they will find their TCP sessions exceed their
> > excess burst and drop packets, causing TCP to go into slow restart.
> > In our applications (2meg LL shaped to 1meg and such) this is
> > not so useful. We have also evaluated, and are using the Packeteer,
> > which is I guess what you meant?

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