Page 280 - Optical Switching And Networking Handbook

11_200023_CH10/Bates 1/17/01 9:06 AM Page 265

The Future of Optical Networking (Where Is It All Heading?) 265

MPLS-QoS Parameters configured on
Figure 10-25 customer site—not in the distribution network.
The use of MPLS
guarantees QoS
CUSTOMER

MPLS-Traffic Route 1
Engineering Paths
CUSTOMER

Route 2

CUSTOMER
Source: Terabeam

7
Figure 10-26
The investments for 6
In $ billions of investment 3
the future 5
4

2

1
0
2002
2000
2001
Optical IP Multiservice DWDM 2003 2004
Multiservice SONET