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为解决电力信息系统资源共享深度、广度和速度问题,针对国家电力信息网(SPInet)分级分层拓扑结构,提出了一种基于位置索引的信息资源共享方案。通过各节点对共享资源构建基于位串的位置索引并冗余发布和汇聚,实现了基于查询多通道的目标节点快速准确定位。性能分析和仿真实验表明,该方案具有资源定位的高效性、可靠性和搜索的完备性,同时占用系统资源较少。
In order to solve the problem of depth, breadth and speed of resource sharing in power information system, this paper proposes a hierarchical resource sharing scheme based on location index for SPInet hierarchical and hierarchical topology. Based on the shared resources, each node builds the position index based on bit string and distributes and aggregates redundantly to achieve fast and accurate positioning of target nodes based on multi-channel query. Performance analysis and simulation experiments show that the proposed scheme has the advantages of high efficiency, reliability and completeness of resource location, while occupying less system resources.