1. © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public 1 Version 4.0 OSI Transport Layer Network Fundamentals – Chapter 4

2. 2 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public What will we Learn from chapter 4?  The role of Transport Layer protocols and services.  How to analyze the application and operation of TCP mechanisms that support: reliability reassembly and manage data loss  How to analyze the operation of UDP

3. 3 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Transport Layer Role and Services

4. 4 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Transport Layer Role and Services

5. 5 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Transport Layer Role and Services

6. 6 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Transport Layer Role and Services

7. 7 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Transport Layer Role and Services

8. 8 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Transport Layer Role and Services

9. 9 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Application and Operation of TCP Mechanisms

10. 10 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Application and Operation of TCP Mechanisms

11. 11 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Application and Operation of TCP Mechanisms

12. 12 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Application and Operation of TCP Mechanisms

13. 13 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Managing TCP Sessions

14. 14 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Managing TCP Sessions

15. 15 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Managing TCP Sessions

16. 16 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Managing TCP Sessions

17. 17 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public UDP Protocol

18. 18 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public UDP Protocol

19. 19 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public UDP Protocol

20. 20 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public UDP Protocol

21. 21 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public

22. 22 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public What did I Learn from chapter 4?  Explain the role of Transport Layer protocols and services.  Analyze the application and operation of TCP mechanisms that support: reliability reassembly and manage data loss  Analyze the operation of UDP

23. 23 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public OSI Transport Layer Next OSI Network Layer