SEMESTER V CS1302 – COMPUTER NETWORKS ANNA UNIVERSITY TIRUCHIRAPPALLI Tiruchirappalli - 620 024

SEMESTER V CS1302  –  COMPUTER NETWORKS

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   DATA LINK LAYER                                          10
Error Detection and Correction − Parity − LRC − CRC − Hamming Code − Low 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.
 

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.
 

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

                                                                                                Total: 45 

TEXT BOOK

1.  Behrouz A. Forouzan, “Data Communication and Networking”, TMH, 2004.

REFERENCES
1.  James F. Kurose and Keith W. Ross, “Computer Networking: A Top-Down Approach
Featuring the Internet”, Pearson Education, 2003.
2.  Larry L. Peterson and Peter S. Davie, “Computer Networks”, Second Edition, Harcourt Asia
Pvt. Ltd, 2004. 
3.  Andrew  S. Tanenbaum, “Computer Networks”,  Fourth Edition, PHI,  2003.
4.  William Stallings, “Data and Computer Communication”, Sixth Edition, Pearson Education, 
2000.
5.  Peterson,”Computer Networks : A System Approach”, Fourth Edition, Elsevir India Pvt Ltd,
2007.

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