Chapter 13 Wired LANs: Ethernet 13.1 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
13-1 IEEE STANDARDS In 1985, the Computer Society of the IEEE started a project, called Project 802, to set standards to enable intercommunication among equipment from a variety of manufacturers. Project 802 is a way of specifying functions of the physical layer and the data link layer of major LAN protocols. Topics discussed in this section: Data Link Layer Physical Layer 13.2
Figure 13.1 IEEE standard for LANs 13.3
Figure 13.2 HDLC frame compared with LLC and MAC frames 13.4