Chapter 9. Internet Multicast Routing

This chapter lays the foundation for a discussion of multicast routing protocols. The duties of a multicast router, including the interaction between multicast hosts and routers, are explained. Beginning with a historical examination of broadcast forwarding, the two multicast forwarding paradigms, source-based trees and shared trees, are presented. We end with a description of the MBONE, the Internet’s multicast routing overlay.

Internet Multicast Model

A network multicast capability allows an application to send a single datagram that will be delivered to multiple recipients. Applications exhibiting one-to-many and many-to-many communication patterns find multicast extremely useful—the alternative, namely, ...

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