JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY 
HYDERABAD 
IV Year B.Tech. ECE. I-Sem T P C 
4+1* 0 4 
COMPUTER NETWORKS 

UNIT – I 
Introduction : OSI, TCP/IP and other networks models, Examples of Networks: Novell Networks ,Arpanet, Internet, Network Topologies WAN, LAN, MAN. 

UNIT - II 
Physical Layer : Transmission media copper, twisted pair wireless, switching and encoding asynchronous communications; Narrow band, broad band ISDN and ATM. 

UNIT - III 
Data link layer : Design issues, framing, error detection and correction, CRC, Elementary Protocol-stop and wait, Sliding Window, Slip, Data link layer in HDLC, Internet, ATM. 

UNIT - IV 
Medium Access sub layer : ALOHA, MAC addresses, Carrier sense multiple access. IEEE 802.X Standard Ethernet, wireless LANS. Bridges, 

UNIT - V 
Network Layer : Virtual circuit and Datagram subnets-Routing algorithm shortest path routing, Flooding, Hierarchical routing, Broad cast, Multi cast, distance vector routing. 

UNIT – VI 
Dynamic routing – Broadcast routing. Rotary for mobility. Congestion, Control Algorithms – General Principles – of Congestion prevension policies. Internet working: The Network layer in the internet and in the ATM Networks. 

UNIT –VII 
Transport Layer: Transport Services, Connection management, TCP and UDP protocols; ATM AAL Layer Protocol. 

UNIT – VIII 
Application Layer – Network Security, Domain name system, SNMP, Electronic Mail; the World WEB, Multi Media. 

TEXT BOOKS : 
1. Computer Networks — Andrew S Tanenbaum,4th Edition. Pearson Education/PHI 
2. Data Communications and Networking – Behrouz A. Forouzan.Third Edition TMH. 

REFERENCES : 
1. An Engineering Approach to Computer Networks-S.Keshav, 2nd Edition, Pearson Education. 
2. Understanding communications and Networks, 3rd Edition, W.A. Shay, Thomson.