Page 177 - Optical Switching And Networking Handbook

08_200023_CH07/Batesx 1/17/01 8:19 AM Page 162

162 Chapter 7

Figure 7-3
By opening up
additional lanes,
many more cars
get on the
highway.

IP

TDM

ATM

45
Figure 7-4
The growth curve 40
for combined fiber-
based systems 35
in billions $ US 25
30

20
15

10
5

0
1998 2002 2004