Data Traffic Modeling—A Signal Processing Perspective - Nonlinear Signal and Image Processing: Theory, Methods and Applications - page 205

x 10 4

10 MS UNITS

2.5

2

1.5

1

0.5

0

0 100 200 300 400 500 600 700 800 900 1000

x 10 4

100 MS UNITS

12

10

8

6

4

2

0

0 100 200 300 400 500 600 700 800 900 1000

x 10 5

1000 MS UNITS

15

10

5

0

0 100 200 300 400 500 600 700 800 900 1000

x 10 6

10000 MS UNITS

10

8

6

4

2

0

0 100 200 300 400 500 600 700 800 900 1000

time units

FIGURE 6.2
The Drexel data (10,000 s in total) viewed through four different aggregation intervals: from top
to bottom, 10 ms, 100 ms, 1 s, and 10 s.

the ECE Department of Drexel University, using the Snoop program. It con-
sists of all the IP (Internet protocol) packets of private connections with this
server, broadcasting, and multicasting, and time-stamped them (at a precision
up to 10 ms) during the hours when the traffic was monitored.