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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