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Data storage method and system, data recording controlling apparatus, data recording commanding apparatus, data receiving apparatus, and information processing terminal
Data storage method and system, data recording controlling apparatus, data recording commanding apparatus, data receiving apparatus, and information processing terminal
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机译:数据存储方法和系统,数据记录控制设备,数据记录命令设备,数据接收设备和信息处理终端
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摘要
A distributed storage system having n nodes (201), (202), . . . , (20n), a recording commanding device (10) for commanding recording of data in each node, and a transmission commanding device (30) for reading out the data recorded in the respective nodes. These nodes and the devices are interconnected over a network. The recording commanding device (10) applies FEC coding, with the coding rate of q/p, to data composed of p blocks, to generate q blocks, and appends a recording probability a, recorded by the node, to the data, to send out the resulting data to the network. In readout, the transmission commanding device (30) responds data to which has been appended the response probability β in responding the data.
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