1. Chapter 22 Upper OSI Layers Session Layer Presentation Layer Application Layer WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

2. Figure 22-1 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Session Layer Dialog

3. Figure 22-2 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Session to Transport Communication

4. Figure 22-3 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Synchronization Points

5. Figure 22-4 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 SPDU

6. Figure 22-5 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

7. Figure 22-6 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Translation Methods

8. Figure 22-7 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Encryption and Decryption

9. Figure 22-8 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

10. Figure 22-9 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Data Encryption Standard

11. Figure 22-10 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Public Key Encryption

12. Figure 22-11 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 RSA Encryption

13. Figure 22-12 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Signature Authentication

14. Figure 22-13 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

15. Figure 22-14 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Run Length Encoding

16. Figure 22-15 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Message Handling System

17. Figure 22-16 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Message Format in MHS

18. Figure 22-17 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Virtual File Storage

19. Figure 22-18 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Local Access

20. Figure 22-19 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Remote Access

21. Figure 22-20 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Virtual Terminal