Networks (1) 1304230

1. Networks (1) 1304230 Dr. Shadi R. Masadeh Email: sh_almasadeh@asu.edu.jo– Ext. 1428 CNS Department Faculty of Information Technology (FIT)

2. Networks (1) 1304230 • Prerequisite: 1304130 • Course Description • Text Book: “ TCP/IP Protocol Suite: Behrouz A. Forouzan, McGrawHill, Third Edition, 2006 ” • References:   “ Data & Computer Networks: W. Stallings, Prentice Hall, Seventh Edition, 2004 “

3. The OSI Model andthe TCP/IP Protocol Suite Part 1 Outline • The architecture of the OSI model • The layers of the OSI model and their functions • The architecture of the TCP/IP Protocol Suite • The OSI model V.s The TCP/IP Suite • Types of Internet addresses 3

4. The OSI Model The International Standards Organization (ISO) is a multinational body dedicated to worldwide agreement on international standards. An ISO standard that covers all aspects of network communications is the Open Systems Interconnection (OSI) model. Note: ISO is the organization.OSI is the model 4

5. Figure 1 The OSI model 5

6. Figure 2 Physical layer 6

7. Note: The physical layer is responsiblefor the movement of individual bits from one hop (node) to the next. 7

8. Figure 3Data link layer 8

9. Note: The data link layer is responsible for moving frames from one hop (node) to the next. 9

10. Figure 4Network layer 10

11. Note: The network layer is responsible for the delivery of individual packets from the source host to the destination host. 11

12. Figure 5Transport layer 12

13. Note: The transport layer is responsible for the delivery of a message from one process to another. 13

14. Figure 6 Session layer 14

15. Figure 7 Presentation layer 15

16. Figure 8 Application layer 16

17. Figure 9 Summary of layers 17