In a WAN or over the Internet, IP traffic is widely carried over SONET lines, either using ATM as a management layer or over SONET directly. In the future, IP is expected to travel directly over DWDM fiber (rightmost diagram).
Computer Desktop Encyclopedia
THIS DEFINITION IS FOR PERSONAL USE ONLY
All other reproduction is strictly prohibited without permission from the publisher.
© 1981-2014 The Computer Language Company Inc. All rights reserved.