N-SIM Network simulation software is developed to provide basic understanding and implementation of various advanced concepts in networking. The software provides an opportunity to understand network fundamentals through animation. The simulation provides for network experimentation with various LAN and WAN protocols, network devices, real time packet capture, encryption, decryption, error insertion and analysis of error rate and throughput etc. N-SIM also include programming exercises for students to get hands on practice on networking parameters. This software covers ethernet LAN, wireless LAN and router. All networking theory is explained using simulation and animation.

LIST OF EXPERIMENTS:
• Study of fundamentals of networking
• Study of data transmission types
• Create network with different topologies
• Working of different network protocols
• Simulate performance of CSMA / CD protocol
• Simulate performance of CSMA / CA protocol
• Simulate performance of Token-Bus protocol
• Simulate performance of Token-Ring protocol
• Study of error detection and correction codes
• Study of switch architecture and transmission in switch
• Study of distance vector routing
• Study of link state protocol in router
• Study of Protocol Vs Normalized throughput/ Response time
• Study of Error probability Vs Throughput/Data loss
• Study of Number of nodes Vs Mean delay
• Study of Data size Vs Normalized throughput
• Study of no. of Transmitting nodes Vs throughput, Normalized throughput
• Study of Congestion Control Algorithm Vs Throughput
• Study of Congestion Control Algorithm Vs Reliability
• Study of Used link vs Normalized Throughput
• Study of Address Resolution Protocol
• Study of Classless Inter Domain Routing
• Study of Subnetting

FEATURES:
• Simulation of network layers
• Simulation of LAN, Wireless LAN and Router.
• Understanding of CSMA / CD, CSMA / CA, Token bus, Token ring protocols.
• Implementation of distance vector routing.
• Implementation of link state routing.
• Implementation of data encryption and decryption.
• Networking experiments using C / C++ classes.