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5-11
Standards and Specifications
Foreground Traffic Generation
5 Standards and
Specifications
Foreground Traffic Generation
Traffic Loading
Parameter Nominal Minimum Maximum Notes
Frequency Range
10 b/s 149.76 Mb/s maximum for OC3/STM-1
optical interface pod
Step size
50 b/s
Accuracy
±15 b/s relative to line rate
Sequence length
1 cell 1500 cells
Distribution
accuracy—poisson
approximates a poisson
distribution for bandwidths
of less than 10% maximum
Distribution
accuracy—sawtooth
5% BW
max
/BW
min
=10,
Sequence length ≥ 500 cells
Distribution jitter—
constant or burst
−1 cell +2 cells offset from nominal
inter-departure time
Parameter Nominal Minimum Maximum Notes
Frequency range
5 kb/s 149.76 Mb/s maximum for OC3/STM-1
optical interface pod
Step size
5 kb/s
Accuracy
2 kb/s relative to line rate
Sequence length
1 cell fixed