SYLLABUS

CS504PC: COMPUTER NETWORKS LAB
B.Tech. III Year I Sem. L T P C

0 0 2 1
Course Objectives
 To understand the working principle of various communication protocols.
 To understand the network simulator environment and visualize a network topology
andobserve its performance
 To analyze the traffic flow and the contents of protocol frames
Course Outcomes
 Implement data link layer farming methods
 Analyze error detection and error correction codes.
 Implement and analyze routing and congestion issues in network design.
 Implement Encoding and Decoding techniques used in presentation layer
 To be able to work with different network tools
List of Experiments
1. Implement the data link layer framing methods such as character, character-stuffing
and bit stuffing.
2. Write a program to compute CRC code for the polynomials CRC-12, CRC-16 and CRC CCIP
3. Develop a simple data link layer that performs the flow control using the sliding
window protocol, and loss recovery using the Go-Back-N mechanism.
4. Implement Dijsktra’s algorithm to compute the shortest path through a network
5. Take an example subnet of hosts and obtain a broadcast tree for the subnet.
6. Implement distance vector routing algorithm for obtaining routing tables at each node.
7. Implement data encryption and data decryption
8. Write a program for congestion control using Leaky bucket algorithm.
9. Write a program for frame sorting techniques used in buffers.
10. Wireshark
i. Packet Capture Using Wire shark
ii. Starting Wire shark
iii. Viewing Captured Traffic
iv. Analysis and Statistics &
Filters. How to run Nmap scan
Operating System Detection using
Nmap Do the following using NS2
Simulator
i. NS2 Simulator-Introduction
ii. Simulate to Find the Number of Packets Dropped
iii. Simulate to Find the Number of Packets Dropped by TCP/UDP
iv. Simulate to Find the Number of Packets Dropped due to Congestion
v. Simulate to Compare Data Rate & Throughput.
vi. Simulate to Plot Congestion for Different Source/Destination
vii. Simulate to Determine the Performance with respect to Transmission of Packets
TEXT BOOK:
1. Computer Networks, Andrew S Tanenbaum, David. j. Wetherall, 5th Edition. Pearson
Education/PHI.
REFERENCE BOOKS:
1. An Engineering Approach to Computer Networks, S. Keshav, 2nd Edition, Pearson Education.
2. Data Communications and Networking – Behrouz A. Forouzan. 3rd Edition, TMH.
CS502PC: COMPUTER NETWORKS
B.Tech. III Year I Sem. L T P C

3 0 0 3
Prerequisites
1. A course on “Programming for problem solving”
2. A course on “Data Structures”
Course Objectives
 The objective of the course is to equip the students with a general overview of the
concepts and fundamentals of computer networks.
 Familiarize the students with the standard models for the layered approach to
communication between machines in a network and the protocols of the various layers.
Course Outcomes
 Gain the knowledge of the basic computer network technology.
 Gain the knowledge of the functions of each layer in the OSI and TCP/IP reference model.
 Obtain the skills of subnetting and routing mechanisms.
 Familiarity with the essential protocols of computer networks, and how they can be
applied innetwork design and implementation.
UNIT - I
Network hardware, Network software, OSI, TCP/IP Reference models, Example Networks:
ARPANET, Internet.
Physical Layer: Guided Transmission media: twisted pairs, coaxial cable, fiber optics, Wireless
Transmission.
Data link layer: Design issues, framing, Error detection and correction.
UNIT - II
Elementary data link protocols: simplex protocol, A simplex stop and wait protocol for an
error-freechannel, A simplex stop and wait protocol for noisy channel.
Sliding Window protocols: A one-bit sliding window protocol, A protocol using Go-Back-N, A
protocol using Selective Repeat, Example data link protocols.
Medium Access sublayer: The channel allocation problem, Multiple access protocols: ALOHA,
Carrier sense multiple access protocols, collision free protocols. Wireless LANs, Data link layer
switching.
UNIT - III
Network Layer: Design issues, Routing algorithms: shortest path routing, Flooding, Hierarchical
routing, Broadcast, Multicast, distance vector routing, Congestion Control Algorithms, Quality of
Service, Internetworking, The Network layer in the internet.
UNIT - IV
Transport Layer: Transport Services, Elements of Transport protocols, Connection management,
TCP and UDP protocols.
UNIT - V
Application Layer –Domain name system, SNMP, Electronic Mail; the World WEB, HTTP,
Streaming audio and video.
TEXT BOOK:
1. Computer Networks -- Andrew S Tanenbaum, David. j. Wetherall, 5th Edition. Pearson
Education/PHI
REFERENCE BOOKS:
1. An Engineering Approach to Computer Networks-S. Keshav, 2nd Edition, Pearson Education
2. Data Communications and Networking – Behrouz A. Forouzan. Third Edition TMH.

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CS504PC: COMPUTER NETWORKS LAB

B.Tech. III Year I Sem. L T P C

B.Tech. III Year I Sem. L T P C

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