Chapter 12. Understanding Protocol Independent Multicast (PIM)

This chapter covers the following key topics about Protocol Independent Multicast (PIM):

Fundamentals of IGMP version 1, IGMP version 2, and reverse path forwarding (RPF)

PIM dense mode

PIM sparse mode

IGMP and PIM packet format

Host-to-host transmission has been the issue of many discussions in the technical world. As technologies advance, new methodologies for facilitating that transmission emerge. A transmission from one specific host to another specific host is known as a unicast.

One-to-one transmission is easy. The big push, currently, is figuring out how to transmit from one host to many without disrupting traffic flow. Up until now, if you wanted one host to talk to ...

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