From: Narbik Kocharians (narbikk@gmail.com)
Date: Tue Jul 03 2007 - 01:29:38 ART
I totally agree with you, many people take this bucket concept too far. I
think your generalization is pretty accurate.
On 7/2/07, Mike Kraus (mikraus) <mikraus@cisco.com> wrote:
>
> Scott Morris had once made mention that the whole token bucket metaphor
> was induced by mind-expanding agents, and I am learning to agree. :)
>
> If I ignore the whole bucket concept:
>
> 1) Shape Average: Within each Tc the router sends Bc worth of data, and
> buffers the rest for the next Tc.
> 2) Shape Peak: Within each Tc the router sends up to Bc+Be of data, (if
> all the Bc was not used in previous Tcs) and buffers the rest for the
> next Tc.
> 3) Police: As Bc is exceeded, packets are dropped.
> 4) Police Peak: As Bc exceeded, managed discard is used up till Be.
> After Be, packets are dropped.
>
> By no means is the above all explicitly accurate, but it is a broad
> generalization that has kept me sane. If anyone has any
> suggestions/comments on the above, I would love to hear it!
>
> Here are a couple good pages I've found useful:
> http://www.cisco.com/en/US/tech/tk543/tk545/technologies_tech_note09186a
> 00800a3a25.shtml
> http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/12cgcr/q
> os_c/qcpart4/qcpolts.htm
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> darth router
> Sent: Monday, July 02, 2007 9:23 PM
> To: ccielab@groupstudy.com
> Subject: Shape/Police Peak
>
> Ok guys,
>
> I know this has probably been beaten to death by now, but I have been
> twisting my brain around it for days. Reading and reading, and I think I
> am finally starting to grasp the concept.
>
>
> When you police peak, you can only take tokens out of one bucket per
> interval, correct? If CIR is not enough, you jump to the Tp bucket,
> which creates the exceed action, righto?
>
> With shape peak, you can transmit from both buckets per interval?
>
>
> DR
>
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-- Narbik Kocharians CCIE# 12410 (R&S, SP, Security) CCSI# 30832
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