期刊文献+

一种自适应的分布式副本定位方法

A Self-Adaptive,Decentralized Replica Location Method
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摘要 提出了一种在数据网格环境下的自适应的分布式副本定位方法SADRL.该方法利用索引结点和本地副本定位结点实现对同一个数据文件的多个副本的快速定位;将副本定位索引信息平均分布在多个索引结点上,并且能够自适应索引结点的动态加入或退出;同时利用本地副本定位节点完成本地副本的查询定位.。理论分析和实验表明,SADRL能够快速由逻辑文件名定位其索引结点,具有负载均衡、可扩展和高效的特点。 A new SADRL ( self-adaptive decentralized replica location method)in data grid is proposed. In SADRL replica location index nodes and replica location nodes are used to accelerate the process of locating multiple replicas of the same data file. Replica location index information are spread evenly on index nodes which can adapt to the joining or departing of index nodes. Replica lo- cation nodes support local query for local replicas. Analysis and experiments show that SADRL can locate the index nodes quickly from the logical file names and gain scalability and good load balance.
出处 《微计算机信息》 北大核心 2007年第30期235-237,共3页 Control & Automation
基金 国家十一五自然科学(60373008)
关键词 数据网格 复制管理 副本定位 负载均衡 data grid, replica management, replica location, load balance
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参考文献9

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