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Internetworking Technologies Handbook, Fourth Edition by Cisco Systems, Inc.

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Chapter 45. Internet Protocol Multicast

Objectives

  • Explain IP multicast addressing.

  • Learn the basics of Internet Group Management Protocol (IGMP).

  • Explain how multicast in Layer 2 switching works.

  • Define multicast distribution trees.

  • Learn how multicast forwarding works.

  • Explain the basics of protocol-independent multicast (PIM).

  • Define multiprotocol BGP.

  • Learn how Multicast Source Discovery Protocol (MSDP) works.

  • Explain reliable multicast: PGM.

Background

Internet Protocol (IP) multicast is a bandwidth-conserving technology that reduces traffic by simultaneously delivering a single stream of information to thousands of corporate recipients and homes. Applications that take advantage of multicast include videoconferencing, corporate communications, distance ...

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