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Decentralized erasure codes for distributed networked storage

Decentralized erasure codes for distributed networked storage Decentralized erasure codes for distributed networked storage Abstract—In this correspondence, we consider the problem of constructing an erasure code for storage over a network when the data sources are distributed. Specifically, we assume that there are storage nodes with limited memory and sources generating the data. We want a data collector, who can appear anywhere in the network, to query any storage nodes and be able to retrieve the data. We introduce decentralized erasure codes, which…

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Data storage placement in sensor networks

Data storage placement in sensor networks Data storage placement in sensor networks Abstract:- Data storage has become a important issue in sensor networks as a large amount of collected data need to be archived for future information retrieval. This paper introduces storage nodes to store the data collected from the sensors in their proximities. The storage nodes alleviate the heavy load of transmitting all the data to a central place for archiving and reduce the communicatio cost induced by the network query. This…

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