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Computer and Communication Networks by Nader F. Mir

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Chapter 4. Data Links and Transmission

So far, we have discussed basic networking protocols and devices. This chapter focuses on data links, especially on methods of data transmission, both wired and wireless. After introducing general properties of transmission media, we investigate issues in the link layer of the overall protocol stack. The highlights of this chapter are

Data links

Wired links and transmission

Wireless links and transmission

Methods of channel access on links

Error detection and correction

Flow control at the link layer

We begin by discussing wired and wireless transmission media. We examine most guided and unguided link alternatives, briefly discuss their applications, and summarize key transmission characteristics. ...

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