(57037) COMPUTER NETWORKS
UNIT – 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
Physical Layer: digital Transmission, multiplexing, Transmission media, circuit Switched
networks, Datagram networks, virtual circuit networks, switch and Telephone networks.
UNIT - III
Data link layer: Introduction, Block coding, cyclic codes, checksum, framing, flow error and
control, Noiseless channels, HDLC, point –to-point protocols.
UNIT - IV
Medium Access sub layer: Random access, controlled access, channelization, IEEE standards,
Ethernet, Fast Ethernet, Giga-Bit Ethernet, warless LANs.
UNIT – V
Connecting LANs, backbone networks and virtual LANs, Wireless WANs, SONET, frame relay
and ATM.
UNIT – VI
Network Layer: Logical addressing, internetworking, tunneling, address mapping, ICMP, IGMP,
forwarding, uni-cast routing protocols, Multi cast routing protocols.
UNIT –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
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.
REFERENCES:
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 Communications and Networks, Nader F, Mir, Pearson Education.
4. Computer Networking: A Top-Down Approach Featuring the Internet, James FKurouse,
K.W.Ross, 3rd Edition. Pearson Education.
5. Data and Computer Communications, G.s. Hura and M.singhal, CRC Press, Taylor and
Francis Group.
6. Data Communications and Computer Networks, PC.Gupta, PHI.
Pearson Education.
UNIT – 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
Physical Layer: digital Transmission, multiplexing, Transmission media, circuit Switched
networks, Datagram networks, virtual circuit networks, switch and Telephone networks.
UNIT - III
Data link layer: Introduction, Block coding, cyclic codes, checksum, framing, flow error and
control, Noiseless channels, HDLC, point –to-point protocols.
UNIT - IV
Medium Access sub layer: Random access, controlled access, channelization, IEEE standards,
Ethernet, Fast Ethernet, Giga-Bit Ethernet, warless LANs.
UNIT – V
Connecting LANs, backbone networks and virtual LANs, Wireless WANs, SONET, frame relay
and ATM.
UNIT – VI
Network Layer: Logical addressing, internetworking, tunneling, address mapping, ICMP, IGMP,
forwarding, uni-cast routing protocols, Multi cast routing protocols.
UNIT –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
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.
REFERENCES:
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 Communications and Networks, Nader F, Mir, Pearson Education.
4. Computer Networking: A Top-Down Approach Featuring the Internet, James FKurouse,
K.W.Ross, 3rd Edition. Pearson Education.
5. Data and Computer Communications, G.s. Hura and M.singhal, CRC Press, Taylor and
Francis Group.
6. Data Communications and Computer Networks, PC.Gupta, PHI.
Pearson Education.
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