1. Chapter 21 Transport Layer Duties Connection OSI Transport Layer WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

2. Figure 21-1 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 An Internetwork

3. Figure 21-2 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Transport Layer Concept

4. Figure 21-3 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Transport Layer and Data Link Layer

5. Figure 21-4 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

6. Figure 21-5 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Service Points

7. Figure 21-6 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

8. Figure 21-7 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Transport and Data Link Error Control

9. Figure 21-8 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Sequence Control

10. Figure 21-9 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Loss Control

11. Figure 21-10 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Duplication Control

12. Figure 21-11 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Sliding Window

13. Figure 21-12 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Multiplexing

14. Figure 21-13 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Connection Establishment

15. Figure 21-14 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Connection Termination

16. Figure 21-15 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 TPDU

17. Figure 21-16 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Transport Layer Protocols