Chapter 16

X.25

• X.25 Layers

• Packet Layer Protocol

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

Figure 16-1

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

X.25

Figure 16-2

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

X.25 and OSI

Figure 16-3

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

Encapsulation of PLP Packet

Figure 16-4

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

PLP Packet

Figure 16-4-continued

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

PLP Packet

Figure 16-4-continued

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

PLP Packet

Figure 16-5-

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

Control Packet Formats

Figure 16-5-continued

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

Control Packet Formats

Figure 16-6

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

Connection Establishment

Figure 16-7

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

Clearing

Figure 16-8

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

Sequence and Subsequences

Figure 16-9

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

Virtual Channel ID Numbers