REGULATION 2013

CS6551 COMPUTER NETWORKS LT PC

3003
OBJECTIVES:
The student should be made to:
 Understand the division of network functionalities into layers.
 Be familiar with the components required to build different types of networks
 Be exposed to the required functionality at each layer
 Learn the flow control and congestion control algorithms
UNIT I FUNDAMENTALS & LINK LAYER 9
Building a network – Requirements - Layering and protocols - Internet Architecture –
Network
software – Performance ; Link layer Services - Framing - Error Detection - Flow control
UNIT II MEDIA ACCESS & INTERNETWORKING 9
Media access control - Ethernet (802.3) - Wireless LANs – 802.11 – Bluetooth - Switching
and
bridging – Basic Internetworking (IP, CIDR, ARP, DHCP, ICMP)
UNIT III ROUTING 9
Routing (RIP, OSPF, metrics) – Switch basics – Global Internet (Areas, BGP, IPv6),
Multicast – addresses – multicast routing (DVMRP, PIM)
UNIT IV TRANSPORT LAYER 9
Overview of Transport layer - UDP - Reliable byte stream (TCP) - Connection management –
Flow control - Retransmission – TCP Congestion control - Congestion avoidance (DECbit,
RED) – QoS – Application requirements
UNIT V APPLICATION LAYER 9
Traditional applications -Electronic Mail (SMTP, POP3, IMAP, MIME) – HTTP – Web
Services – DNS - SNMP
TOTAL: 45 PERIODS
OUTCOMES:
At the end of the course, the student should be able to:
 Identify the components required to build different types of networks
 Choose the required functionality at each layer for given application
 Identify solution for each functionality at each layer
 Trace the flow of information from one node to another node in the network
TEXT BOOK:
1. Larry L. Peterson, Bruce S. Davie, “Computer Networks: A Systems Approach”, Fifth
Edition, Morgan Kaufmann Publishers, 2011.
REFERENCES:
1. James F. Kurose, Keith W. Ross, “Computer Networking - A Top-Down Approach
Featuring the Internet”, Fifth Edition, Pearson Education, 2009.
2. Nader. F. Mir, “Computer and Communication Networks”, Pearson Prentice Hall
Publishers, 2010.
3. Ying-Dar Lin, Ren-Hung Hwang, Fred Baker, “Computer Networks: An Open Source
Approach”, Mc Graw Hill Publisher, 2011.
4. Behrouz A. Forouzan, “Data communication and Networking”, Fourth Edition, Tata
McGraw – Hill, 2011.

REGULATION 2017
CS8591 COMPUTER NETWORKS LT PC
3003
OBJECTIVES:
• To understand the protocol layering and physical level communication.
• To analyze the performance of a network.
• To understand the various components required to build different networks.
• To learn the functions of network layer and the various routing protocols.
• To familiarize the functions and protocols of the Transport layer.
UNIT I INTRODUCTION AND PHYSICAL LAYER 9
Networks – Network Types – Protocol Layering – TCP/IP Protocol suite – OSI Model –
Physical Layer: Performance – Transmission media – Switching – Circuit-switched
Networks – Packet Switching.
UNIT II DATA-LINK LAYER & MEDIA ACCESS 9
Introduction – Link-Layer Addressing – DLC Services – Data-Link Layer Protocols – HDLC
– PPP - Media Access Control - Wired LANs: Ethernet - Wireless LANs – Introduction –
IEEE 802.11, Bluetooth – Connecting Devices.
UNIT III NETWORK LAYER 9
Network Layer Services – Packet switching – Performance – IPV4 Addresses – Forwarding
of IP Packets - Network Layer Protocols: IP, ICMP v4 – Unicast Routing Algorithms –
Protocols – Multicasting Basics – IPV6 Addressing – IPV6 Protocol.
UNIT IV TRANSPORT LAYER 9
Introduction – Transport Layer Protocols – Services – Port Numbers – User Datagram
Protocol – Transmission Control Protocol – SCTP.
UNIT V APPLICATION LAYER 9
WWW and HTTP – FTP – Email –Telnet –SSH – DNS – SNMP.
TOTAL: 45 PERIODS
OUTCOMES:
On Completion of the course, the students should be able to:
 Understand the basic layers and its functions in computer networks.
 Evaluate the performance of a network.
 Understand the basics of how data flows from one node to another.
 Analyze and design routing algorithms.
 Design protocols for various functions in the network.
 Understand the working of various application layer protocols.
TEXT BOOK:
1. Behrouz A. Forouzan, Data Communications and Networking, Fifth Edition TMH,
2013.
REFERENCES
1. Larry L. Peterson, Bruce S. Davie, Computer Networks: A Systems Approach, Fifth
Edition, Morgan Kaufmann Publishers Inc., 2012.
2. William Stallings, Data and Computer Communications, Tenth Edition, Pearson
Education, 2013.
3. Nader F. Mir, Computer and Communication Networks, Second Edition, Prentice
Hall, 2014.
4. Ying-Dar Lin, Ren-Hung Hwang and Fred Baker, Computer Networks: An Open
Source Approach, McGraw Hill Publisher, 2011.
5. James F. Kurose, Keith W. Ross, Computer Networking, A Top-Down Approach
Featuring the Internet, Sixth Edition, Pearson Education, 2013.
 REGULATION 2021
CS3591 COMPUTER NETWORKS LT PC
3024
COURSE OBJECTIVES:
 To understand the concept of layering in networks.
 To know the functions of protocols of each layer of TCP/IP protocol suite.
 To visualize the end-to-end flow of information.
 To learn the functions of network layer and the various routing protocols
 To familiarize the functions and protocols of the Transport layer
UNIT I INTRODUCTION AND APPLICATION LAYER 10
Data Communication - Networks – Network Types – Protocol Layering – TCP/IP Protocol
suite – OSI Model – Introduction to Sockets - Application Layer protocols: HTTP – FTP –
Email protocols (SMTP - POP3 - IMAP - MIME) – DNS – SNMP
UNIT II TRANSPORT LAYER 9
Introduction - Transport-Layer Protocols: UDP – TCP: Connection Management – Flow
control - Congestion Control - Congestion avoidance (DECbit, RED) – SCTP – Quality of
Service
UNIT III NETWORK LAYER 7
Switching: Packet Switching - Internet protocol - IPV4 – IP Addressing – Subnetting - IPV6,
ARP, RARP, ICMP, DHCP
UNIT IV ROUTING 7
Routing and protocols: Unicast routing - Distance Vector Routing - RIP - Link State Routing
– OSPF – Path-vector routing - BGP - Multicast Routing: DVMRP – PIM.
UNIT V DATA LINK AND PHYSICAL LAYERS 12
Data Link Layer – Framing – Flow control – Error control – Data-Link Layer Protocols –
HDLC – PPP - Media Access Control – Ethernet Basics – CSMA/CD – Virtual LAN –
Wireless LAN (802.11) - Physical Layer: Data and Signals - Performance – Transmission
media- Switching – Circuit Switching.
45 PERIODS
PRACTICAL EXERCISES: 30 PERIODS
1. Learn to use commands like tcpdump, netstat, ifconfig, nslookup and traceroute. Capture
ping and trace route PDUs using a network protocol analyzer and examine.
2. Write a HTTP web client program to download a web page using TCP sockets.
3. Applications using TCP sockets like: a) Echo client and echo server b) Chat
4. Simulation of DNS using UDP sockets.
5. Use a tool like Wireshark to capture packets and examine the packets
6. Write a code simulating ARP /RARP protocols.
7. Study of Network simulator (NS) and Simulation of Congestion Control Algorithms using
NS.
8. Study of TCP/UDP performance using Simulation tool.
9. Simulation of Distance Vector/ Link State Routing algorithm.
10. Simulation of an error correction code (like CRC)
COURSE OUTCOMES:
At the end of this course, the students will be able to:
CO 1: Explain the basic layers and its functions in computer networks.
CO 2: Understand the basics of how data flows from one node to another.
CO 3: Analyze routing algorithms.
CO 4: Describe protocols for various functions in the network.
CO 5: Analyze the working of various application layer protocols.
TOTAL:75 PERIODS
TEXT BOOKS
1. James F. Kurose, Keith W. Ross, Computer Networking, A Top-Down Approach Featuring
the Internet, Eighth Edition, Pearson Education, 2021.
2. Behrouz A. Forouzan, Data Communications and Networking with TCP/IP Protocol Suite,
Sixth Edition TMH, 2022
REFERENCES
1. Larry L. Peterson, Bruce S. Davie, Computer Networks: A Systems Approach, Fifth
Edition,
Morgan Kaufmann Publishers Inc., 2012.
2. William Stallings, Data and Computer Communications, Tenth Edition, Pearson Education,
2013.
3. Nader F. Mir, Computer and Communication Networks, Second Edition, Prentice Hall,
2014.
4. Ying-Dar Lin, Ren-Hung Hwang, Fred Baker, “Computer Networks: An Open Source
Approach”, McGraw Hill, 2012.
 REGULATION 2008
CS2302 COMPUTER NETWORKS LT PC
3003
UNIT I 9
Network architecture – layers – Physical links – Channel access on links – Hybrid
multiple access techniques - Issues in the data link layer - Framing – Error correction
and detection – Link-level Flow Control
UNIT II 9
Medium access – CSMA – Ethernet – Token ring – FDDI - Wireless LAN – Bridges and
Switches
UNIT III 9
Circuit switching vs. packet switching / Packet switched networks – IP – ARP – RARP –
DHCP – ICMP – Queueing discipline – Routing algorithms – RIP – OSPF – Subnetting
– CIDR – Interdomain routing – BGP – Ipv6 – Multicasting – Congestion avoidance in
network layer
UNIT IV 9
UDP – TCP – Adaptive Flow Control – Adaptive Retransmission - Congestion control –
Congestion avoidance – QoS
UNIT V 9
Email (SMTP, MIME, IMAP, POP3) – HTTP – DNS- SNMP – Telnet – FTP – Security –
PGP - SSH
TOTAL: 45 PERIODS
TEXT BOOK :
1. Larry L. Peterson, Bruce S. Davie, “Computer Networks: A Systems Approach”,
Third Edition, Morgan Kauffmann Publishers Inc., 2003.
REFERENCES:
1. James F. Kuross, Keith W. Ross, “Computer Networking, A Top-Down Approach
Featuring the Internet”, Third Edition, Addison Wesley, 2004.
2. Nader F. Mir, “Computer and Communication Networks”, Pearson Education, 2007
3. Comer, “Computer Networks and Internets with Internet Applications”, Fourth Edition,
Pearson Education, 2003.
4. Andrew S. Tanenbaum, “Computer Networks”, Fourth Edition, 2003.
5. William Stallings, “Data and Computer Communication”, Sixth Edition, Pearson
Education, 2000
REGULATION 2004
CS1302 COMPUTER NETWORKS 3 0 0 100
AIM
To introduce the concepts, terminologies and technologies used in modern days data
communication and computer networking.
OBJECTIVES
 To understand the concepts of data communications.
 To study the functions of different layers.
 To introduce IEEE standards employed in computer networking.
 To make the students to get familiarized with different protocols and network
components.
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 BOOKS
1. Behrouz A. Forouzan, “Data communication and Networking”, Tata McGraw-Hill, 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”, Harcourt Asia Pvt. Ltd.,
Second Edition.
3. Andrew S. Tanenbaum, “Computer Networks”, PHI, Fourth Edition, 2003.
4. William Stallings, “Data and Computer Communication”, Sixth Edition, Pearson
Education, 2000