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	Towards constructing high-Available decentralized systems via self-Adaptive components
	Sun, Xi ; Zhou, Li ; Zhuang, Lei ; Jiao, Wenpin ; Mei, Hong
	2007
英文摘要	In decentralized computing environments, systems are built mainly from components that are developed and maintained independently by different third-party providers. The executions and evolutions of components located on distributed sites are beyond the control of the system developers and the availabilities of those components are, to some extent, unpredictable because of their own tendencies and the unstable network. As a result, it is still a great challenge to construct high-Available decentralized systems. In this paper, a self-Adaptive component model is proposed to model those components distributed on the Internet and the running framework is described for constructing systems composed of self-Adaptive components. Self-Adaptive components can adjust their knowledge about the availabilities of the required services via learning from the feedback of historical invocations. Based on the knowledge, components can find the most appropriate service providers effectively and automatically. Experiments show that systems can always gain a high availability under the dynamic decentralized environment by using the approach. Copyright ? (2007) by Knowledge Systems Institute (KSI).; EI; 0
语种	英语
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/295112]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Sun, Xi,Zhou, Li,Zhuang, Lei,et al. Towards constructing high-Available decentralized systems via self-Adaptive components. 2007-01-01.

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