Computer Networks Syllabus


Subject Code:55051 L:4 T/P/D:1 Credits:4 Int. Marks:25 Ext. Marks:75 Total Marks:100


UNIT I: I


Introduction to networks, internet, protocols and standards, the OSI model, layers in OSI model, TCP/IP suite, Addressing, Analog and digital signals.


UNIT II: II


Physical Layer: digital transmission, multiplexing, transmission media, circuit switched networks, Datagram networks, virtual circuit networks, switch and Telephone network.


UNIT III: III


Data link layer: Introduction, Block coding, cyclic codes, checksum, framing, flow and error control, Noiseless channels, noisy channels, HDLC, point to point protocols


UNIT IV: IV


Medium Access sub layer: Random access, controlled access, channelization, IEEE standards, Ethernet, Fast Ethernet, Giga-Bit Ethernet, wireless LANs.


UNIT V: V


Connecting LANs, backbone networks and virtual LANs, Wireless WANs, SONET, frame relay and ATM.


UNIT VI: VI


Network Layer: Logical addressing, internetworking, tunneling, address mapping, ICMP, IGMP, forwarding, uni-cast routing protocols, multicast routing protocols.


UNIT VII: VII


Transport Layer: Process to process delivery, UDP and TCP protocols, SCTP, data traffic, congestion, congestion control, QoS, integrated services, differentiated services, QoS in switched networks.


UNIT VIII: VIII


Application Layer – Domain name space, DNS in internet, electronic mail, FTP, WWW, HTTP, SNMP, multi-media, network security







TEXT BOOKS:
1.Data Communications and Networking – Behrouz A. Forouzan, Fourth Edition TMH,2006.
2.Computer Networks -- Andrew S Tanenbaum, 4th Edition, Pearson Education.



REFERENCE BOOKS:
1.An Engineering Approach to Computer Networks-S.Keshav,2nd Edition,Pearson Education
2.Understanding communications and Networks,3rd Edition, W.A.Shay,Cengage Learning.
3.Computer and Communication Networks ,Nader F. Mir, Pearson Education
4.Computer Networking:A Top-Down Approach Featuring the Internet,James F.Kurose,K.W.Ross,3rd Edition,Pearson Education.