Standards and Specifications

Foreground Traffic Generation

Foreground Traffic Generation

Parameter

Nominal

Minimum

Maximum

Notes

 

 

 

 

 

Frequency Range

 

10 b/s149.76 Mb/s

maximum for OC3/STM-1

 

 

 

 

optical interface pod
Step size

 

50 b/s

 

 

Accuracy

 

 

±15 b/srelative to line rate
Sequence length

 

1 cell1500 cells

 

Distribution

 

 

 

approximates a poisson

accuracy—poisson

 

 

 

distribution for bandwidths

 

 

 

 

of less than 10% maximum

Distribution

 

 

5%

BWmax/BWmin=10,

accuracy—sawtooth

 

 

 

Sequence length 500 cells

Distribution jitter—

 

1 cell+2 cellsoffset from nominal
constant or burst

 

 

 

inter-departure time

 

 

 

 

 

Traffic Loading

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

cellfixed

 

 

 

 

 

 

and Standards 5 Specifications

5-11