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Authorized Self-Study Guide Building Scalable Cisco Internetworks (BSCI), Third Edition by Catherine Paquet, Diane Teare

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Chapter 9. Implementing IP Multicast

This chapter introduces IP multicast and covers the following topics:

Many types of data can be transferred between devices over an IP network, including, for example, document files, voice, and video. However, a traditional IP network is not efficient when sending the same data to many locations; the data is sent in unicast packets and is therefore replicated on the network for each destination. For example, if a CEO’s annual video address is sent out on a company’s network for all employees to watch, the same data stream must be replicated for each employee. Obviously, this would consume many resources, including ...

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