From: Dan (dans@danbsd.a.la)
Date: Tue May 18 2004 - 16:36:25 GMT-3
This presentation will leave no questions! At least for me ;)
http://internetworkexpert.com/resources/01700368.htm
On Tue, 18 May 2004 15:15:57 -0400, Joe Chang <changjoe@earthlink.net>
wrote:
> "If cir is less then line speed, you can burst up to line speed with
> accumulated credits, so ar-cir = be."
>
> This might not have much impact on the test, but is the above necessarily
> true? My impression is that Be is dictated by how the you want the token
> bucket algorithm to behave. Token bucket doesn't take into account an
> access
> rate. Regardless of the values of Bc or Be, the algorithm guarantees the
> average rate will not exceed CIR.
>
> Also, in the "real world" would CAR/policing be used as a means to avoid
> congestion on the access point to your service provider? The queueing
> methods (WFQ, CQ, even FIFO) do that job already. Isn't CAR a means to
> mark
> packets and differentiate traffic before it enters a Diffserv domain?
>
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