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Course Detail

Course Name Computer Networks
Course Code 19CCE304
Program B. Tech. in Computer and Communication Engineering
Semester Five
Year Taught 2019


Unit 1

Introduction to the Internet – Services and Protocols – Edge and Core – Packet Switching vs. Circuit Switching – Performance Metrics Delay – Loss – Throughput – Protocol Layers and Service Models OSI and TCP/IP models – Application Layer – Client-Server and Peer-to-Peer architectures – Application Layer protocols – Transport Layer -Unreliable Connectionless vs. Reliable Connection- Oriented Services – Multiplexing – Stop-and-Wait – GoBack-N and Selective-Repeat – UDP vs. TCP – Flow and Congestion Control.

Unit 2

Network Layer – Data plane forwarding vs. Control plane routing -Software Defined Networking (SDN) approach – Network Services – Router architecture – Switching fabrics – Input and output queueing – IPv4 and IPv6 addressing DHCP – NAT – IPv4 and IPv6 fragmentation – SDN based generalized forwarding – Routing an Supporting Algorithms – Link State vs. Distance Vector – RIP – OSPF – BGP – ICMP – SNMP – SDN Control Plane.

Unit 3

Link Layer – Services – Error Detection and Correction – Multiple Access protocols Channel partitioning – Random access – Taking-Turns protocols – Switched LANs ARP – Ethernet – Link layer switching – VLANs – MPLS – Introduction to Wireless and Mobile Networks – Link characteristics – CDMA – 802.11 WiFi – Bluetooth and Zigbee – Cellular Networks – GSM – UMTS – LTE – Mobility management and handoff – Mobile IP.

Lab Component

Socket Programming using Python 3 – Client-Server Application using TCP and UDP services – Building a web server – a HTTP client – an email client – a Ping protocol – Shortest Path Algorithms using Python -Simulation of wireless local – personal and wide area networks using NS2 – Analysis of trace files and inferencing -Building your own protocol in NS2 – Network Health Monitoring using Wireshark packet sniffer.


  • James Kurose and Keith Ross, “Computer Networking: A Top-Down Approach”, Seventh (Global) Edition, Pearson Education Ltd., 2017.
  • Larry L. Peterson and Bruce S. Davie, “Computer Networks – A Systems Approach”, Morgan Kaufmann, Fifth Edition, 2011.


  • Brandon Rhodes, John Goerzen, “Foundations of Python Network Programming”, Third Edition,Apress, 2014
  • TeerawatIssariyakul and Ekram Hossain, “Introduction to Network Simulator NS2”, Springer, Boston, MA, 2009.

Evaluation Pattern

*Continuous Assessment (Theory) (CAT)

Assessment Internal External
Periodical 1 10
Periodical 2 15
*Continuous Assessment (Theory) (CAT) 15
Continuous Assessment (Lab) (CAL) 30
End Semester 35
*CA – Can be Quizzes, Assignment, Projects, and Reports.

Objectives and Outcomes


  • Gain in-depth understanding of the fundamental networking principles, the challenges involved and implementation issues encountered in designing practical network protocols at Internet scale
  • Analyze both qualitatively and quantitatively the performance of network protocols and system architectural design choices
  • Connect networking principles with the actual implementation details as found in networking standards currently used in practice
  • Gain hands-on experience by watching the protocols in action through simulation and/or software/hardware experiments

Course Outcomes

  • CO1: Able to understand the fundamental networking principles and protocol concepts
  • CO2: Able to connect networking principles with the practical network protocols currently used in the Internet
  • CO3: Able to analyze the performance of network protocols and system architectural design choice.
  • CO4: Able to simulate, implement and monitor the performance of standard networking protocols by a network simulator, socket programming and a packet sniffer, respectively

CO – PO Mapping

CO1 3 3 3 3 3 3 3
CO2 3 3 3 3 3 3 3 3 3
CO3 3 3 3 3 3 3 3 3 3
CO4 3 3 3 3 3 3 3 3 3 3 3

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