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ATM Operation
Policing ATM Traffic
Policing ATM Traffic
Description
Policing ATM traffic allows the user to check whether the incoming ATM service
complies with the traffic contract.
How to
1 Set up the Transmitter for ATM (See "Setting up the Transmitter for ATM
Payloads " page 154).
2 Set up the Receiver for ATM (See "Setting up the Receiver ATM signal "
page 172).
3 Select the
4 Select SETUP as
5 To test a Continuous Bit Rate (CBR) service select the service
up the PEAK CELL RATE and CDVT. Any incoming signal which violates the
peak cell rate or cell delay variation will result in NON-CONFORMING CELLS
error. Because UBR traffic is policed in a similar manner to CBR, you can select
CBR to police UBR traffic. In ABR dynamic control of the signal bandwidth is
provided by resource management cells. However ABR is policed in a similar
manner to CBR and so you can select CBR to police ABR traffic that is not
changing.
6 To test a Variable Bit Rate (VBR) service select
SUSTAINABLE CELL RATE, the PEAK CELL RATE, the MAXIMUM
BURST SIZE and the CDV TOLERANCE (See page 163 for definitions).
7 If the received cell stream does not conform to the policing parameters set up,
174
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folder.
ATM SETTINGS
.
POLICING
. Then set
CBR
Then set up the
VBR
.
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