Chapter 13. Extensions for Multi-Topology Routing
Within the past few years, carriers and service providers have been reassessing their service offerings because “plain” IPv4 packet transport has become commoditized and unprofitable. Carriers and service providers worldwide recognize that to create new revenue streams, they must provide new services to their customers, and they must implement these new services economically by leveraging a single router-based infrastructure and eliminating traditional “overlay” ATM, Frame Relay, and telephony networks. The services themselves are seldom unique: voice and video transport, virtual private networks, and group-collaboration applications have been around for a long time. What is unique is offering ...
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