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A Generic Framework for Mobile Agent's Fault Tolerance

机译:移动代理的容错通用框架

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Mobile agent's execution are prone to failures, originating from bad communication, security attacks, agent server crashes, system resources unavailability, network congestion or even deadlock situations. In such events, mobile agents either get lost or damaged (partially or totally) during execution. Making mobile agents fault tolerant is a measure taken to increase the dependability and reliability of agent-based application. Many approaches have been proposed but majority of the existing mobile agent's fault tolerance implementations are designed to either tolerate one of the fault classes or two (such as communication, crash and agent software failure) but not all in any situation. This perhaps, makes it impossible to detect and recover from failures of all types. In this paper, based on the analysis of existing fault tolerance approaches, we proposed a generic fault tolerance framework that consists of a monitoring, planning and recovery process execution phases that can help tolerate failures of all type. The framework is validated using existing implementations approaches.
机译:移动代理的执行容易出现故障,原因是通信不畅,安全攻击,代理服务器崩溃,系统资源不可用,网络拥塞甚至死锁。在这种情况下,移动代理在执行期间会丢失或损坏(部分或全部)。使移动代理具有容错能力是一种增加基于代理的应用程序的可靠性和可靠性的措施。已经提出了许多方法,但是大多数现有的移动代理的容错实现方式被设计为容忍一种或两种故障类别(例如,通信,崩溃和代理软件故障),但是在任何情况下都不能全部容忍。也许这使得不可能检测所有类型的故障并从中恢复。在本文中,在对现有容错方法进行分析的基础上,我们提出了一个通用的容错框架,该框架由监视,计划和恢复过程执行阶段组成,可以帮助容忍所有类型的故障。使用现有的实现方法对框架进行了验证。

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