COMPUTER NETWORKS COMPUTER NETWORKS AIM To understand the basic concepts of data communication, networking and the usage of protocols. OBJECTIVES To study.

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.

COMPUTER NETWORKS SYLLABUS

UNIT I DATA COMMUNICATIONS 8Components – 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.

COMPUTER NETWORKS SYLLABUS

UNIT II DATA LINK LAYER 10Error – 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.

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.

COMPUTER NETWORKS SYLLABUS

UNIT V APPLICATION LAYER 8Domain Name Space (DNS) – SMTP – FTP – HTTP – WWW – Security –Cryptography

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.

USEFUL WEBSITEShttp://en.wikipedia.org/wiki/Computer_networking

http://google.com

http://williamstallings.com

http://highered.mcgraw-hill.com/sites/

0072515848/information_center_view0/

COMPUTER NETWORKS lesson plan

UNIT LECTURE NO

TOPICS

UNIT – I DATA COMMUNICATIONS

1 Introduction

2 Components , direction of flow

3 Networks , Types of connection , Topologies

4 Protocols and Standards

5 ISO/OSI Model

6 ISO/OSI Model

7 ISO/OSI Model

8Transmission media – Coaxial, fiber optics

9 Line coding

10Modems

11RS 232 interfacing

COMPUTER NETWORKS lesson plan

UNIT LECTURE NO

TOPICS

UNIT – II DATA LINK LAYER

12 Error- detection

13 Error- correction

14 Parity, LRC

15 CRC

16 Hamming code

17Flow control and Error control – stop and wait, go back ARQ

18 Selective repeat ARQ, Sliding window

19 HDLC

20 LAN: Ethernet IEEE 802.3

21 IEEE 802.4-Token Bus

22IEEE 802.5 – Token Ring

23 IEEE 802.11

24FDDI

25SONET ,Bridges

COMPUTER NETWORKS lesson plan

UNIT LECTURE NO

TOPICS

UNIT – III NETWORK LAYER

26 Internetworks

27 Packet switching

28 Datagram

29 IP addressing methods

30 Sub netting

31 Routing

32 Distance vector routing

33 Distance vector routing

34 Link state routing

35 Link state routing

36Router

COMPUTER NETWORKS lesson plan

UNIT LECTURE NO

TOPICS

UNIT – IV TRANSPORT LAYER

37 Duties of transport layer

38 Multiplexing

39 De multiplexing

40 Sockets

41 User Datagram Protocol

42 Transmission Control Protocol

43 Congestion control

44 Congestion control

45 Quality of service(QOS)

46 Integrated service

COMPUTER NETWORKS lesson plan

UNIT LECTURE NO

TOPICS

UNIT – V APPLICATION LAYER

47 Domain name service (DNS)

48 SMTP-SIMPLE MAIL TRANSFER PROTOCOL

49 FILE TRANSFER PROTOCOL

50 HYPPER TEXT TRANSFER PROTOCOL

51 WORLD WIDE WEB

52 Security

53 Security

54 Cryptography

TEACHING PLAN

UN IT -I DATA COMMUNICATIONS

Computer Networks teaching plan

Components, direction of flow

Topologies

Transmission Media

ISO/OSI Model

Five Components Of Data Communication

Direction of Data Flow

Categories of Topology

OSI Model

UNIT -II DATA LINK LAYER

Computer Networks teaching plan

Error Detection and Correction

Ethernet

Token Bus, Token Ring

FDDI

Error Detection Methods

Ethernet

IEEE 802.4, IEEE 802.5

Fiber Distributed Data Interface

UNIT -III NETWORK LAYER

Computer Networks teaching plan

Packet Switching

Sub netting

Routing Algorithms

Packet switching

Datagram Approach

Finding the class in binary notation

Finding the class in binary notation

UNIT -IV TRANSPORT LAYER

Computer Networks teaching plan

Packet Switching

Sub netting

Routing Algorithms

31

Routing Algorithms

USER DATAGRAM FORMAT

TCP SEGMENT FORMAT

LEAKY BUCKET

UNIT -V

Computer Networks teaching plan

Domain Name Service

SMTP, FTP

Security

Domain Name Space

File Transfer Protocol

SECURITY

Computer Networks SEMINAR TOPICS

Network Topologies

ISO/OSI Model

Error detection

Error correction

IEEE 802.4 Token Bus

IEEE 802.5 Token Ring

IP addressing methods

Sub netting

Router User Datagram Protocol

Transmission Control Protocol

Domain name service (DNS)

Cryptography

Computer NetworksASSIGNMENT TOPICS

1. Hamming Code

2. Routing Algorithms

3. Congestion Control

4. Cryptography