1. COMPUTER NETWORKS COMPUTER NETWORKS AIM To understand the basic concepts of data communication, networking and the usage of protocols. OBJECTIVES To study the basic concepts of Data flow, Topologies and Transmission Media. To introduce the ISO/OSI model. To impart the concept of Error Detection and Error Correction. To initiate the students about Network Concepts. To enrich the students with the Security techniques in Networks.

2. COMPUTER NETWORKS SYLLABUS UNIT I DATA COMMUNICATIONS8 Components – Direction of data flow – Networks – Components and categories –Types of connections – Topologies – Protocols and standards – ISO / OSI model – Transmission media – Coaxial cable – Fiber optics – Line coding – Modems – RS232 interfacing sequences.

3. COMPUTER NETWORKS SYLLABUS COMPUTER NETWORKS SYLLABUS UNIT II DATA LINK LAYER 10 Error – Detection and correction – Parity – LRC - CRC – Hamming code – Flow control and error control – Stop and wait – Go back-N ARQ – Selective repeat ARQ – Sliding window – HDLC – LAN – Ethernet IEEE 802.3 – IEEE 802.4 – IEEE 802.5 – IEEE 802.11 – FDDI – SONET – Bridges.

4. COMPUTER NETWORKS SYLLABUS COMPUTER NETWORKS SYLLABUS UNIT III NETWORK LAYER 10 Internetworks – Packet switching and datagram approach – IP addressing methods –Subnetting – Routing – Distance vector routing – Link state routing – Routers. UNIT IV TRANSPORT LAYER 9 Duties of transport layer – Multiplexing – Demultiplexing – Sockets – User Datagram Protocol (UDP) – Transmission Control Protocol (TCP) – Congestion control –Quality of Services (QOS) – Integrated services.

5. COMPUTER NETWORKS SYLLABUS COMPUTER NETWORKS SYLLABUS UNIT V APPLICATION LAYER 8 Domain Name Space (DNS) – SMTP – FTP – HTTP – WWW – Security –Cryptography

6. COMPUTER NETWORKS COMPUTER NETWORKS TEXT BOOKS 1. Behrouz A. Forouzan, “Data communication and Networking”, Tata McGraw Hill, 2004. 2.James F. Kurose and Keith W. Ross, “Computer Networking: A Top - Down Approach Featuring the Internet”, Pearson Education, 2003. REFERENCES 1. Larry L. Peterson and Peter S. Davie, “Computer Networks”, 2nd Edition, Harcourt Asia Pvt. Ltd.,1996. 2.Andrew S. Tanenbaum, “Computer Networks”, 4th Edition, Prentice Hall of India, 2003. 3.William Stallings, “Data and Computer Communication”, 6th Edition, Pearson Education, 2000. 4. Peterson, “Computer Networks: A System Approach”,4th Edition, Elsevier India Private Limited, 2007.

7.  http://en.wikipedia.org/wiki/Computer_networking  http://google.com  http://williamstallings.com  http://highered.mcgraw- hill.com/sites/0072515848/information_center_view0 /  http://en.wikipedia.org/wiki/Computer_networking  http://google.com  http://williamstallings.com  http://highered.mcgraw- hill.com/sites/0072515848/information_center_view0 /

8. TEACHING PLAN

9. UN IT -I DATA COMMUNICATIONS Computer Networks teaching plan Components, direction of flow Topologies Transmission Media ISO/OSI Model

10. Five Components Of Data Communication

11. Direction of Data Flow Direction of Data Flow

12. Categories of Topology Categories of Topology

13. OSI Model OSI Model

14. UNIT -II DATA LINK LAYER Computer Networks teaching plan Error Detection and Correction Ethernet Token Bus, Token Ring FDDI

15. Error Detection Methods

16. Ethernet Ethernet

17. IEEE 802.4, IEEE 802.5

18. Fiber Distributed Data Interface

19. UNIT -III NETWORK LAYER Computer Networks teaching plan Packet Switching Sub netting Routing Algorithms

20. Packet switching

21. Datagram Approach

22. Finding the class in binary notation Finding the class in binary notation

23. Finding the class in decimal notation Finding the class in decimal notation

24. 24 Routing Algorithms

25. UNIT -IV Computer Networks teaching plan Packet Switching Sub netting Routing Algorithms

26. Packet Switching

27. Sub netting

28. Routing Algorithms

29. UNIT -V Domain Name Space (DNS) SMTP FTP HTTP WWW Security Cryptography Computer Networks teaching plan

30. Domain Name Space (DNS)

32. WWW

33. Cryptography

34. THANK YOU