A novel fault-tolerant execution model by using of mobile agents

A novel fault-tolerant execution model by using of mobile agents
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一种基于移动代理的新型容错执行模型

DOI:
10.1016/j.jnca.2008.02.008
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发表时间:
2009-03
影响因子:
8.7
通讯作者:
Masaru Kitsuregawa
Masaru Kitsuregawa
中科院分区:
计算机科学2区
文献类型:
--
作者:
曲雯毓;Zhiguang Shan;Hong Shen;Masaru Kitsuregawa

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互联网的指数级扩展和万维网的广泛普及对可靠和安全系统设计方面的专家提出了挑战,例如,电子经济应用。新的范例是随需应变的,而移动的代理技术是其中的一个特征。在本文中,我们提出了一个容错执行模型,通过使用移动的代理,在规定的条件下,在指定的时间段内与所需的功能的一致和正确的性能的目的。故障分为两类,根据其内在的不同影响移动的代理。对于每种故障,采用规定的处理方法。异常处理方法的引入使得移动的代理在执行过程中的性能得到改善。通过节点间迁移时间、移动的代理的寿命和移动的代理的种群分布等关键参数对移动的代理的行为进行统计分析,以评估模型的性能。分析结果为移动的代理的容错执行提供了新的理论依据,并表明我们的模型优于现有的容错模型。该模型为提高计算机系统的可靠性提供了一种有效的方法。
The exponential expansion of the Internet and the widespread popularity of the World Wide Web give a challenge to experts on reliable and secure system design, e.g., e-economy applications. New paradigms are on demand and mobile agent technology is one of the features. In this paper, we propose a fault-tolerance execution model by using of mobile agents, for the purpose of consistent and correct performance with a required function under stated conditions for a specified period of time. Failures are classified into two classes based on their intrinsic different effects on mobile agents. For each kind of failure, a specified handling method is adopted. The introduction of exceptional handling method allows performance improvements during mobile agents’ execution. The behaviors of mobile agents are statistically analyzed through several key parameters, including the migration time from node to node, the life expectancy of mobile agents, and the population distribution of mobile agents, to evaluate the performance of our model. The analytical results give new theoretical insights to the fault-tolerant execution of mobile agents and show that our model outperforms the existing fault-tolerant models. Our model provides an effective way to improve the reliability of computer systems.
DOI: 10.1109/reldi.2000.885388
发表时间: 2000
期刊: Proceedings 19th IEEE Symposium on Reliable Distributed Systems SRDS-2000
影响因子: --
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发表时间: 2004-05
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