Course Objectives:

  1. To learn the concepts, vocabulary and techniques currently used in the area of computer networks.
  2. To understand the concepts of the OSI model and the TCP/IP model.
  3. To be familiar with wireless networking concepts
  4. To be familiar with contemporary issues in networking technologies.

Unit I

OSI Reference Model and Network Architecture: Introduction to Computer Networks, Example Networks ARPANET, Internet, Private Networks, and Network Topologies: Bus, Star, Ring, Hybrid, Tree, Complete, Irregular –Topology; Types of Networks: Local Area Networks, Metropolitan Area Networks, Wide Area Networks; layering architecture of networks, OSI model, Functions of each layer, Services and Protocols of each layer.

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Unit II

TCP/IP: Introduction, History of TCP/IP, Layers of TCP/IP, Protocols, Internet Protocol, TransmissionControl Protocol , User Datagram Protocol, IP Addressing, IP address classes, Subnet Addressing, Internet Control Protocols, ARP, RARP, ICMP, Application Layer, Domain Name System, Email – SMTP, POP,IMAP; FTP, NNTP, HTTP, Overview of IP version 6.

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Unit III

Local Area Networks: Introduction to LANs, Features of LANs, Components of LANs, Usage of LANs,LAN Standards, IEEE 802 standards, Channel Access Methods, Aloha, CSMA, CSMA/CD, Token Passing, Ethernet, Layer 2 & 3 switching, Fast Ethernet and Gigabit Ethernet, Token Ring, LAN interconnecting devices: Hubs, Switches, Bridges, Routers, Gateways.

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Unit IV

Wide Area Networks: Introduction of WANs, Routing, Congestion Control, WAN Technologies,Distributed Queue Dual Bus (DQDB), Synchronous Digital Hierarchy (SDH)/ Synchronous Optical Network (SONET), Asynchronous Transfer Mode (ATM), Frame Relay, Wireless Links

Introduction to Network Management: Management, Class of Service, Quality Firewalls, VLANs, Proxy Servers. Remote Monitoring Techniques: Polling, Traps, Performance of Service, Security management, Digital signatures, SSL

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  1. Computer Networks (3rd edition), Tanenbaum Andrew S., International edition, 1996.
  2. Data Communications, Computer Networks and Open Systems (4th edition), Halsall Fred, 2000, Addison Wesley, Low Price Edition.
  3. Business Data Communications, Fitzgerald Jerry, Computer Networks – A System Approach, Larry L. Peterson & Bruce S. Davie, 2nd Edition.

Course Outcomes:  After successful completion of the course:-

  1. Understand the organization of computer networks, factors influencing computer network development and the reasons for having variety of different types of networks.
  2. Apply knowledge of different techniques of error detection and correction to detect and solve error bit during data transmission.
  3. Design a network routing for IP networks.
  4. Demonstrate proper placement of different layers of ISO model and illuminate its function and determine proper usage of the IP address, subnet mask and default gateway in a routed network.
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