From: McNeace, Roger (RMcNeace@ciena.com)
Date: Wed Jan 21 2004 - 17:35:28 GMT-3
You can not change the Tc value directly. You have change the Bc value to affect the Tc. To figure out the Bc value use the following formula.
Bc=Tc*CIR
Default 125 ms per Tc
Bc =.125 * 128000 = 16000bps
For 10ms Tc
Bc = .01 * 128000 = 1280bps
-----Original Message-----
From: alsontra@hotmail.com [mailto:alsontra@hotmail.com]
Sent: Wednesday, January 21, 2004 5:14 PM
To: ccielab@groupstudy.com
Subject: Frame-Relay Traffic-Shaping (FRTS)
I am having some trouble working out the mathematics involved with a
particular Frame-Relay traffic shaping exercise. If I start with (CIR) =
128000bps and a (bc) =16000 and a (tc)=125ms and then change the (tc) value to
10ms seconds, are the below calculations correct?
CIR = 128000bps
bc = 1280bps because (1/100) of 128 000 = 1280
tc = 10ms because (1/100) of 1000 = 10
Any help would be appreciated. Thanks in advance.
Alsontra Daniels
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