1. IT-320Chapter 10 Packet Switching Networks

2. Objectives 1. Compare and contrast X.25 and Frame Relay networks. 2. Explain the need for SLAs and define SLA criteria. 3. Define the use of DLCI in Frame Relay. 4. Explain how to use subinterfaces with Frame Relay. 5. Given a scenario, troubleshoot a Frame Relay problem. 6. Compare and contrast packet switching and cell relay networks. 7. Compare and contrast ATM and SMDM networks. 8. Compare and contrast CIP and LANE.

3. FIGURE 10-1 Packet Switching Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

4. FIGURE 10-2 A X.25 Network Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

5. FIGURE 10-3 The X.25 Protocol Suite Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

6. FIGURE 10-4 Dedicated Point-to-Point v. Frame Relay Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

7. FIGURE 10-5 A Frame Relay Network Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

8. FIGURE 10-6 A Single Frame Relay Virtual Circuit Can be Assigned Different DLCIs on Each End of a Virtual Circuit Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

9. FIGURE 10-7 A Frame Relay Packet Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

10. FIGURE 10-8 A Fully Meshed Frame Relay Network Does Not Require Subinterfaces Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

11. FIGURE 10-9 Split-Horizon Does Not Allow Remote Sites to Send Routing Updates to Each Other Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

12. FIGURE 10-10 Subinterfaces Allow Remote Sites to Exchange Routing Updates with Each Other Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

13. FIGURE 10-11 Multipoint and PPP Subinterfaces Can Coexist Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

14. IT-320Chapter 11 Cell Relay Networks

15. FIGURE 11-1 The ATM Model Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

16. FIGURE 11-2 ATM Cell Content Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

17. FIGURE 11-3 An ATM Virtual Circuit Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.