Performance Simulation of a Dependable Distributed System

Chen, Yinong; Mateer, Roger

doi:10.1177/003754970107700508

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Cited by 3 publications

References 7 publications

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2003

SIMULATION

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The aim of the research is to investigate techniques that support the development of highly dependable applications in a distributed system environment. Techniques developed include redundant task allocation, load balancing, fault-tolerant computing, and communication. The application the authors have implemented in the system is a firewall application. The firewall runs in redundant mode. Each incoming or outgoing packet is checked by two or more copies of the firewall application. Only when the majority of the firewall copies decide to accept the packet can the packet go through the firewall. Disagreed decision from the different firewall copies signify a possible hardware fault or a software error in the underlying system. This article reports a recent implementation of a simulation system in which computing nodes, redundant copies of tasks, and packet queues are implemented as independent threads, as well as experiment results obtained based on queuing models.

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Scheduling Simulation in a Distributed Wireless Embedded System

2005

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The aims of the research are to develop a distributed simulation environment and to investigate techniques that support efficient task-scheduling algorithms in fault-tolerant, real-time, distributed, and wireless embedded systems. Techniques developed include deadline-based real-time scheduling, priority-based scheduling, and redundant resource allocation for fault-tolerant, energy-aware, and signal strength-aware scheduling. A system model is proposed, and a prototype of the distributed simulation environment is implemented.Three scheduling algorithms and sample applications are designed and implemented in the environment. Experiment data are collected for analyzing the effectiveness of the algorithms.

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Performance Simulation of a Dependable Distributed System

Abstract: Abstract

Cited by 3 publications

References 7 publications

Developing highly dependable application in a distributed system environment

Developing highly dependable application in a distributed system environment

The Simulation of a Highly Dependable Distributed Computing Environment

Scheduling Simulation in a Distributed Wireless Embedded System

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