Chapter 11

Data Link Protocols

• Asynchronous Protocols

• Synchronous Protocols

• Character-Oriented Protocols

• Bit-Oriented Protocols

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Figure 11-1

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Figure 11-2

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

XMODEMFigure 11-3

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Figure 11-4

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Figure 11-5

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Simple Frame

Figure 11-6

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

A Frame with Header

Figure 11-7

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Multiblock Frame

Figure 11-8

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Figure 11-9

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Multiframe Transmission

Control Frame

Figure 11-10

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Figure 11-11

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Control Frames

Figure 11-11-continued

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Control Frames

Figure 11-11-continued

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Control Frames

Figure 11-12

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Byte Stuffing