CS1302 COMPUTER NETWORKS

ANNA UNIVERSITY CHENNAI :: CHENNAI 600 025
CURRICULUM 2004
B.E. ELECTRONICS AND COMMUNICATION ENGINEERING

CS1302 COMPUTER NETWORKS

AIM
To introduce the concept, terminologies, and technologies used in modern data communication and computer networking.

OBJECTIVES

• To introduce the students the functions of different layers.
• To introduce IEEE standard employed in computer networking.
• To make students to get familiarized with different protocols and network components.

UNIT I DATA COMMUNICATIONS 8
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.

UNIT II DAT LINK LAYER 12
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 techniques – HDLC.
LAN: Ethernet IEEE 802.3, IEEE 802.4, and IEEE 802.5 – IEEE 802.11–FDDI, SONET – Bridges.

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 8
Duties of transport layer – Multiplexing – Demultiplexing – Sockets – User Datagram Protocol (UDP) – Transmission Control Protocol (TCP) – Congestion Control – Quality of services (QOS) – Integrated Services.

UNIT V APPLICATION LAYER 7
Domain Name Space (DNS) – SMTP, FDP, HTTP, WWW – Security – Cryptography.

TOTAL : 45
TEXT BOOKS

• Behrouz A. Foruzan, “Data communication and Networking”, Tata McGraw-Hill, 2004.

REFERENCES

• James .F. Kurouse & W. Rouse, “Computer Networking: A Topdown Approach Featuring”, Pearson Education.
• Larry L.Peterson & Peter S. Davie, “COMPUTER NETWORKS”, Harcourt Asia Pvt. Ltd., Second Edition.
• Andrew S. Tannenbaum, “Computer Networks”, PHI, Fourth Edition, 2003.
• William Stallings, “Data and Computer Communication”, Sixth Edition, Pearson Education, 2000.