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COMPUTERNETWORKS

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Department of Computer Science and Engineering

COMPUTER NETWORKS
(Common to CSE & IT)
III B. Tech. - I Semester L T P C
Course Code: A3CS18 4 1 - 4

COURSE OVERVIEW:
The course introduces main concepts of networking; application areas; classification; reference
models; transmission environment; technologies; routing algorithms; IP, UDP and TCP protocols;
reliable data transferring methods; application protocols; network security; management systems;
perspectives of communication networks. The course structure consists of lectures, tutorials,
laboratory works in computer classroom and individual work.

SYLLABUS
UNIT - I
INTRODUCTION: Network applications, network hardware, network software, reference models: OSI,
TCP/IP, Internet, Connection oriented network - X.25, frame relay. THE PHYSICAL LAYER:
Theoretical basis for communication, guided transmission media, wireless transmission, the public
switched telephone networks, mobile telephone system.

UNIT - II
THE DATA LINK LAYER: Design issues, error detection and correction, elementary data link
protocols, sliding window protocols, example data link protocols - HDLC, the data link layer in the
internet. THE MEDIUM ACCESS SUBLAYER: Channel allocations problem, multiple access
protocols, Ethernet, Data Link Layer switching, Wireless LAN, Broadband Wireless, Bluetooth

UNIT - III
THE NETWORK LAYER: Network layer design issues, routing algorithms, Congestion control
algorithms, Internetworking, the network layer in the internet (IPv4 and IPv6), Quality of Service.

UNIT – IV
THE TRANSPORT LAYER: Transport service, elements of transport protocol, Simple Transport
Protocol, Internet transport layer protocols: UDP and TCP.

UNIT - V
THE APPLICATION LAYER: Domain name system, electronic mail, World Wide Web: architectural
overview, dynamic web document and http. APPLICATION LAYER PROTOCOLS: Simple Network
Management Protocol, File Transfer Protocol, Simple Mail Transfer Protocol, Telnet.

TEXT BOOKS:
1. A. S. Tanenbaum (2003), Computer Networks, 4th edition, Pearson Education/ PHI, New Delhi,
India.

REFERENCE BOOKS:
1. Behrouz A. Forouzan (2006), Data communication and Networking, 4th Edition, Mc Graw-Hill,
India.
2. Kurose, Ross (2010), Computer Networking: A top down approach, Pearson Education, India.

MLR Institute of Technology- UG - Autonomous-Regulations & Syllabus – MLR - 17 Page | 85

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