Chapter 2. Introduction to LAN Protocols

Objectives

  • Learn about different LAN protocols.

  • Understand the different methods used to deal with media contention.

  • Learn about different LAN topologies.

This chapter introduces the various media-access methods, transmission methods, topologies, and devices used in a local-area network (LAN). Topics addressed focus on the methods and devices used in Ethernet/IEEE 802.3, Token Ring/IEEE 802.5, and Fiber Distributed Data Interface (FDDI). Subsequent chapters in Part II, “LAN Protocols,” address specific protocols in more detail. Figure 2-1 illustrates the basic layout of these three implementations.

Three LAN Implementations Are Used Most Commonly

Figure 2-1. Three ...

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