Page 250 - Optical Switching And Networking Handbook

10_200023_CH09/Bates 1/17/01 9:45 AM Page 235

Cost Implications and Financial Trending 235

Figure 9-13
DCS
SONET Router
Current fiber ADM
networks
Fiber Network
Router

Router
WAN
Fiber Network SONET
ADM
SONET Fiber Network
ADM
DCS
Fiber Network
DCS

SONET Router
ADM

DCS

900,000
Figure 9-14
800,000
Projection of new
700,000
fiber miles installed
600,000
Miles 500,000
400,000
300,000
200,000
100,000
0
1998 1999 2000 2001 2002 2002

New fiber miles installed