Standards and Specifications

Capture and Playback System

Capture and Playback System

Capacity

Parameter

Nominal

Minimum

Maximum

Notes

 

 

 

 

 

Capture memory per

 

1 MB7 MB1 MB reserved for
port

 

 

 

foreground traffic generation

Playback memory

 

1 MB

8 MB

 

per port

 

 

 

 

 

 

 

 

 

and Standards 5 Specifications

Playback

Parameter

Nominal

Minimum

Maximum

Notes

 

 

 

 

 

Frequency range

 

100 b/s

149.76 Mb/s

maximum for OC3/STM-1

 

 

 

 

optical interface pod

Step size

 

100 b/s

 

 

Accuracy

 

 

25 b/s

relative to line rate

Sequence length

 

1 cell

131072 cells

length as captured

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 cells

offset from nominal

sawtooth

 

 

 

inter-departure time

 

 

 

 

 

5-13