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The Sockets Networking API: UNIX® Network Programming Volume 1, Third Edition by Andrew M. Rudoff, Bill Fenner, W. Richard Stevens

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Chapter 20. Broadcasting

Introduction

In this chapter, we will describe broadcasting and in the next chapter, we will describe multicasting. All the examples in the text so far have dealt with unicasting: a process talking to exactly one other process. Indeed, TCP works with only unicast addresses, although UDP and raw IP support other paradigms. Figure 20.1 shows a comparison of the different types of addressing.

Different forms of addressing.

Figure 20.1. Different forms of addressing.

IPv6 has added anycasting to the addressing architecture. An IPv4 version of anycasting, which was never widely deployed, is described in RFC 1546 [Partridge, Mendez, and Milliken 1993]. IPv6 anycasting ...

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