1. Figure 10-9 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

2. Stop and Wait Figure 10-10 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

3. Sliding Window Figure 10-11 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

4. Figure 10-12 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Sender Sliding Window

5. Figure 10-13 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Receiver Sliding Window

6. Figure 10-14 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Sliding Window Example

7. Figure 10-14-continued WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Sender

8. Figure 10-14-continued WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Receiver

9. Figure 10-15 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

10. Damaged Frame Figure 10-16 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

11. Lost Frame Figure 10-17 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

12. Lost ACK Figure 10-18 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

13. Damaged Frame Figure 10-19 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

14. Lost Frame Figure 10-20 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

15. Lost ACK Figure 10-21 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

16. Selective Reject Figure 10-22 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998