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Computer and Communication Networks, Second Edition by Nader F. Mir

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Chapter 3. Data Links and Link Interfaces

So far, we have discussed basic networking protocols and devices. This chapter focuses on data links and the functions of link interfaces to devices. The chapter especially concentrates 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

Link encoder

Error detection and correction on links

Flow control on links

Link access by multiple users

Wireless channel access by multiple users

Link aggregation

One of the main focuses of this chapter is link issues, which were descibed briefly in the last chapter in the ...

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