This document outlines the course objectives and units for a communication networks course. The course aims to help students understand network layering and protocols. It is divided into 5 units covering fundamentals of networking, media access and internetworking, routing, transport layer protocols, and the application layer. Students will learn about components of different network types, functionality at each layer, routing algorithms, transport protocols like TCP and UDP, and applications like HTTP, DNS, email and network security. The course objectives are to identify network components, functionality at layers, and trace information flow end-to-end.

1. 65
COMMUNICATION NETWORKS L T P C
3 0 0 3
EC8551
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
Overview of Data Communications- Networks – Building Network and its types– Overview of Internet -
Protocol Layering - OSI Mode – Physical Layer – Overview of Data and Signals - introduction to Data
Link Layer - Link layer Addressing- Error Detection and Correction
UNIT II MEDIA ACCESS & INTERNETWORKING 9
Overview of Data link Control and Media access control - Ethernet (802.3) - Wireless LANs – Available
Protocols – Bluetooth – Bluetooth Low Energy – WiFi – 6LowPAN–Zigbee - Network layer services –
Packet Switching – Packet Switching – Network layer protocols ( IP, ICMP, Mobile IP)
UNIT III ROUTING 9
Routing - Unicast Routing – Algorithms – Protocols – Multicast Routing and its basics – Overview of
Intradomain and interdomain protocols – Overview of Intradomain and interdomain protocols – Transition
from IPv4 to IPv6
UNIT IV TRANSPORT LAYER 9
Introduction to Transport layer –Protocols- User Datagram Protocols (UDP) and Transmission Control
Protocols (TCP) –Services – Features – TCP Connection – State Transition Diagram – Flow, Error and
Congestion Control - Congestion avoidance (DECbit, RED) – QoS – Application requirements
UNIT V APPLICATION LAYER 9
Application Layer Paradigms – Client Server Programming – World Wide Web and HTTP - DNS- -
Electronic Mail (SMTP, POP3, IMAP, MIME) – Introduction to Peer to Peer Networks – Need for
Cryptography and Network Security – Firewalls.
OUTCOMES:
At the end ofthe 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
TOTAL:45 PERIODS
Trace the flow of information from one node to another node in the network
TEXT BOOK:
1. Behrouz A. Forouzan, ―Data communication and Networking‖, Fifth Edition, Tata McGraw –
Hill, 2013 (UNIT I –V)
REFERENCES
1. James F. Kurose, Keith W. Ross, ―Computer Networking - A Top-Down Approach
Featuring the Internet‖, Seventh Edition, Pearson Education, 2016.
2. Nader. F. Mir,― Computer and Communication Networks‖, Pearson Prentice Hall
Publishers, 2nd
Edition, 2014.
3. Ying-Dar Lin, Ren-Hung Hwang, Fred Baker, ―Computer Networks: An Open Source
Approach‖, Mc Graw Hill Publisher, 2011.
4. Larry L. Peterson, Bruce S. Davie, ―Computer Networks: A Systems Approach‖, Fifth
Edition, Morgan Kaufmann Publishers, 2011.