Abstract

The time slot CSMA/CD protocol model based on the discrete event simulation technology is established in the article, and the object-oriented simulation technology is adopted to implement the simulation software, and the influences of the messaging probabilities on the network performance are analyzed under different loads, and the result shows that to enhance the comprehensive performance parameter of the network, the influences of the P value under different loads must be comprehensively considered.

Highlights

  • The network simulation is a basic measure to research the network technology, and it is the process of using the computer program to model the communication network and simulate the communication network by the running of the program

  • The simulation technology combining the discrete event drive with the object orientation is adopted to model and simulate the time slot P-persistent CSMA/CD Bus LAN based on the binary exponential backoff algorithm, and implement the simulation by the software of VC++ 6.0

  • According to the simulation result, the influences of the messaging probability on the network performance are analyzed in the article

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Summary

Introduction

The network simulation is a basic measure to research the network technology, and it is the process of using the computer program to model the communication network and simulate the communication network by the running of the program. According to the requirements of the design, the network simulation could know various performances of the network under different conditions by relatively less time and charge and obtain abundant and effective data of the network research. The function of the network simulation technology is more and more important in the design and research of the modern communication network. The simulation technology combining the discrete event drive with the object orientation is adopted to model and simulate the time slot P-persistent CSMA/CD Bus LAN based on the binary exponential backoff algorithm, and implement the simulation by the software of VC++ 6.0. According to the simulation result, the influences of the messaging probability on the network performance are analyzed in the article

Flow chart of simulation
Generation of random numbers
Generating the random numbers obeying the Poisson distribution
Generating the random numbers obeying the Exponential distribution
Generating the random numbers obeying the normal distribution
Simulation of protocol
Implementation of the system simulation
Software testing and simulation result
Conclusions
Full Text
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