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Coding Schemes for Distributed Storage Systems: Implementation and Improvements

Distributed data storage systems are used to store data reliably over a distributed collection of storage locations, called peers. Coding schemes are used to store a portion of the data in the peers ensuring the complete retrieval of data, during peer failures. This has applications in various areas like Wireless Networks, Sensor Networks etc. In this framework, the authors consider a large file to be stored in a distributed manner over few peers of limited capacity. Each peer stores a portion of the coded data, without the knowledge of the contents of other peers. Random Coding is one of the coding schemes used for this. In coding coefficients are chosen randomly from a finite field to encode the data.

Provided by: IPM Topic: Mobility Date Added: Feb 2011 Format: PDF

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