Re: QoS interpretation

From: Gabriel <mail.to.gabriel_at_gmail.com>
Date: Tue, 14 Apr 2009 21:21:14 -0400

You police as the provider, you shape as the customer. In these
examples, you are the customer and the owner of BBn is the provider,
so he is policing and you should shape.

If you think about it, it makes sense this way: if you're the
provider, you don't care what happens to the customer's excess
traffic: you promised the customer X mbps and that's all he gets. If
you're the customer with a policed pipe, you want to do the best you
can to make good use of that X mbps for your most important traffic,
so you shape to fit the rate that's being policed by the provider.

-Gabriel

On Tue, Apr 14, 2009 at 6:24 PM, Nick <ccieaz_at_googlemail.com> wrote:
> Hi all,
>
> I still have trouble sometimes with QoS question interpretation.
>
> Take this example from IE lab 18
>
> ".... BB2 will only allow R5 to send traffic across this link at a maximum
> of 2.5mpbs. BB3 will only allow R5 to send traffic into its network at a
> maximum rate of 3mpbs"
>
> How should I interpret this?
>
> I think that you could do this with shaping, policing or bandwidth
> statement. But which is best and why?
>
> Any tips would be great.
>
> (SG uses shaping)
>
> Thanks
>
> Nick
>
>
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>
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Received on Tue Apr 14 2009 - 21:21:14 ART

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