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Course Description
The course covers fundamental concepts about Data communication, Data Transmission and Computer Network with their functionalities at Physical, Data, Network, Transport and Application Layer respectively.
Course Objectives
The main objective of this course to introduce analog and digital signals with their conversion and transmission; Protocols: OSI, TCP/IP; Medium of transmission; Multiplexing Techniques; Switching Techniques; Error Detection and Correction; Data Link Control; Routing Algorithms; Transport Protocols; Congestion Control; Domain Name System, Electronic Mail, File Transfer.
Course Contents
Components, Data Representation, Data Flow, Distributed Processing, Network Criteria, Physical Structures, Network Models, Categories of Networks; Basic Concepts about Bridge, Hub, Switch, Router, NIC, MAC-address, Gateway; The Internet, Protocols and Standards, OSI, TCP/IP, Addressing.
Analog and Digital; Periodic Analog Signals, Digital Signals; Basic Concepts about Noise, Distortion, Attenuation, Nyquist Bit Rat, Shannon Capacity, Bandwidth, Throughput, Latency; Conversion: Analog to Analog, Digital to Digital, Analog to Digital o Analog; Digital to Analog; Transmission modes; Multiplexing: Time Division Multiplexing, Frequency Division Multiplexing, Wavelength Division Multiplexing; Guided Media, Unguided Media; Switching: Circuit Switching and Packet Switching.
Functionality of Data link Layer; Error detection and Correction: Introduction, Block Coding, Linear Block Codes, Cyclic codes, Checksum; Data Link Control: Framing, Flow and Error Control, Protocols, Noiseless Channels, Noisy Channels, Multiple Access: Random Access, ALOHA, Controlled Access; Basic concepts about Cellular telephony and Satellite network.
Functionality of Network Layer; Internetworking; IPv4, IPv6; Directing; Forwarding; Routing: Static vs. Dynamic Routing; Routing Algorithms: Shortest-path, Flooding, Flow-based, Distance-vector, Link-state; Congestion control and prevention: Leaky-bucket algorithm, Token-bucket algorithm; Network layer protocols: IP, NAT, ICMP, IGMP, RIP, ARP, RARP, OSPF, IGRP, EIGRP, BGP.
Functionality of Transport layer, Client Server Paradigm, Multiplexing and De-multiplexing, Connectionless vs. Connection Oriented Service, Reliable vs. Unreliable; Basic Overview of TCP and UDP; Congestion Control and Quality of Service: Network Performance; Congestion Control: Open-loop and Closed loop.
Functionality of Application Layer; Domain Name System: Namespace, Domain Name Space, Distribution of Name Space, DNS in the Internet; Generic Domains, Country Domains, Inverse Domain; Resolution: Resolver; Mapping Names to Addresses; Address to Names, Recursive Resolution, Caching; Electronic mail: SMTP, POP, IMAP; File transfer: FTP, Telnet; Dynamic host configuration protocol (DHCP), HTTP, WWW, SNMP.
Students should be able to configure network hardware and software; should be able to design and set up networks by using simulators and devices.
Text Book:
1. Behrouz A. Forouzan, "Data Communications and Networking", 4th Edition, McGraw Hill.
Reference Books:
1. William Stallings, "Data And Computer Communications", 8th Edition Prentice Hall of India, New Delhi.
2. A.S. Tanenbaum, "Computer Network", 4th Edition, Pearson Education International.