Computer Networks (CS-602)
Course Outcomes
After completion of the course students will be able to
1. Characterize and appreciate computer networks from the view point of components and
from the view point of services
2. Display good understanding of the flow of a protocol in general and a network protocol
in particular
3. Model a problem or situation in terms of layering concept and map it to the TCI/IP stack
4. Select the most suitable Application Layer protocol (such as HTTP, FTP, SMTP, DNS,
Bit torrent) as per the requirements of the network application and work with available
tools to demonstrate the working of these protocols.
5. Design a Reliable Data Transfer Protocol and incrementally develop solutions for the
requirements of Transport Layer
6. Describe the essential principles of Network Layers and use IP addressing to create
subnets for any specific requirements
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B.Tech RGPV notes AICTE flexible curricula Bachelor of technology
Syllabus
UNIT 1:
Computer Network: Definitions, goals, components, Architecture, Classifications & Types.
Layered Architecture: Protocol hierarchy, Design Issues, Interfaces and Services, Connection
Oriented & Connectionless Services, Service primitives, Design issues & its functionality. ISOOSI Reference Model: Principle, Model, Descriptions of various layers and its comparison with
TCP/IP. Principals of physical layer: Media, Bandwidth, Data rate and Modulations
UNIT 2:
Data Link Layer: Need, Services Provided, Framing, Flow Control, Error control. Data Link
Layer Protocol: Elementary &Sliding Window protocol: 1-bit, Go-Back-N, Selective Repeat,
Hybrid ARQ. Protocol verification: Finite State Machine Models & Petri net models.
ARP/RARP/GARP
UNIT 3:
MAC Sub layer: MAC Addressing, Binary Exponential Back-off (BEB) Algorithm, Distributed
Random Access Schemes/Contention Schemes: for Data Services (ALOHA and SlottedALOHA), for Local-Area Networks (CSMA, CSMA/CD, CSMA/CA), Collision Free Protocols:
Basic Bit Map, BRAP, Binary Count Down, MLMA Limited Contention Protocols: Adaptive
Tree Walk, Performance Measuring Metrics. IEEE Standards 802 series & their variant.
UNIT 4:
Network Layer: Need, Services Provided , Design issues, Routing algorithms: Least Cost
Routing algorithm, Dijkstra's algorithm, Bellman-ford algorithm, Hierarchical Routing,
Broadcast Routing, Multicast Routing. IP Addresses, Header format, Packet forwarding,
Fragmentation and reassembly, ICMP, Comparative study of IPv4 & IPv6
UNIT 5:
Transport Layer: Design Issues, UDP: Header Format, Per-Segment Checksum, Carrying
Unicast/Multicast Real-Time Traffic, TCP: Connection Management, Reliability of Data
Transfers, TCP Flow Control, TCP Congestion Control, TCP Header Format, TCP Timer
Management.Application Layer: WWW and HTTP, FTP, SSH, Email (SMTP, MIME, IMAP),
DNS, Network Management (SNMP).
NOTES
- Unit 1
- Unit 2
- Unit 3
- Unit 4
- Unit 5
Books Recommended
1.Andrew S. Tanenbaum, David J. Wetherall, “Computer Networks” Pearson Education.
2 Douglas E Comer, “Internetworking WithTcp/Ip Principles, Protocols, And Architecture - Volume I”
6
th Edition,Pearson Education
3.DimitriBertsekas, Robert Gallager, “Data Networks”, PHI Publication, Second Edition.
4.KavehPahlavan, Prashant Krishnamurthy, “Networking Fundamentals”, Wiley
Publication.
5.Uyless Black, “Computer Networks”, PHI Publication, Second Edition.
6.Ying-Dar Lin, Ren-Hung Hwang, Fred Baker, “Computer Networks: An Open Source
Approach”, McGraw Hill.
List of Experiments:
1. Study of Different Type of LAN& Network Equipments.
2. Study and Verification of standard Network topologies i.e. Star, Bus, Ring etc.
3. LAN installations and Configurations.
4. Write a program to implement various types of error correcting techniques.
5. Write a program to Implement various types of framing methods.
6. Study of Tool Command Language (TCL).
7. Study and Installation of Standard Network Simulator: N.S-2, N.S3.OpNet,QualNetetc .
8. Study & Installation of ONE (Opportunistic Network Environment) Simulator for High
Mobility Networks .
9. Configure 802.11 WLAN.
10. Implement &Simulate various types of routing algorithm.
11. Study & Simulation of MAC Protocols like Aloha, CSMA, CSMA/CD and CSMA/CA using
Standard Network Simulators.
12. Study of Application layer protocols-DNS, HTTP, HTTPS, FTP and TelNet.
