Course Objectives

This course aims to:

• Introduce the fundamental concepts of computer networks and their layered architecture.
• Provide an understanding of various protocols and technologies used in different network layers.
• Enable students to analyze and design network topologies and protocols.
• Familiarize students with network security and management aspects.

Course Outcomes

Upon completion of this course, students will be able to:

1. Understand the principles of network communication and the OSI and TCP/IP models.
2. Explain the functions of various protocols at different layers of the network stack.
3. Design and analyze network topologies and protocols for efficient communication.
4. Implement basic network programming concepts using socket programming.
5. Identify and address network security issues.

Detailed Syllabus

Module 1: Data Communication Components

• Representation of data and its flow Networks
• Various Connection Topology
• Protocols and Standards, OSI model
• Transmission Media, LAN: Wired LAN, Wireless LANs
• Connecting LAN and Virtual LAN
• Techniques for Bandwidth utilization: Multiplexing - Frequency division, Time division and Wave division
• Concepts on spread spectrum

Module 2: Data Link Layer and Medium Access Sub Layer

• Error Detection and Error Correction - Fundamentals, Block coding, Hamming Distance, CRC
• Flow Control and Error control protocols - Stop and Wait, Go back – N ARQ, Selective Repeat ARQ
• Sliding Window, Piggybacking
• Random Access, Multiple access protocols -Pure ALOHA, Slotted ALOHA, CSMA/CD, CDMA/CA

Module 3: Network Layer

• Switching, Logical addressing – IPV4, IPV6
• Address mapping – ARP, RARP, BOOTP and DHCP
• Delivery, Forwarding and Unicast Routing protocols

Module 4: Transport Layer

• Process to Process Communication
• User Datagram Protocol (UDP)
• Transmission Control Protocol (TCP)
• SCTP Congestion Control
• Quality of Service, QoS improving techniques: Leaky Bucket and Token Bucket algorithm

Module 5: Application Layer

• Domain Name Space (DNS), DDNS
• TELNET, EMAIL, File Transfer Protocol (FTP)
• WWW, HTTP, SNMP
• Bluetooth, Firewalls
• Basic concepts of Cryptography

Textbooks

• Computer Networks by Andrew S. Tanenbaum & David J. Wetherall (5th Edition)

Reference Books

• Data Communications and Networking by Behrouz A. Forouzan
• Computer Networking: A Top-Down Approach by James F. Kurose and Keith W. Ross

List of Experiments

1. To study the different types of Network cables and network topologies.
2. Practically implement and test the cross-wired cable and straight through cable using clamping tool and network lab cable tester.
3. Study and familiarization with various network devices.
4. Familiarization with Packet Tracer Simulation tool/any other related tool.
5. Study and Implementation of IP Addressing Schemes
6. Creation of Simple Networking topologies using hubs and switches
7. Simulation of web traffic in Packet Tracer
8. Study and implementation of various router configuration commands
9. Creation of Networks using routers
10. Configuring networks using the concept of subnetting
11. Practical implementation of basic network command and Network configuration commands like ping, ipconfig, netstat, tracert etc. for troubleshooting network related problems
12. Configuration of networks using static and default routes

Course Outcomes

Upon completion of this lab, students will be able to:

1. Implement and analyze various networking protocols.
2. Understand the working of different layers in the network stack.
3. Develop simple network applications using socket programming.
4. Gain hands-on experience with network simulation tools.