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Explicit and Optimal Codes for Distributed Storage

Rashmi, KV and Ramchandran, Kannan and Kumar, Vijay P and Shah, Nihar B (2010) Explicit and Optimal Codes for Distributed Storage. TR-PME-2010-07.

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Abstract

In the distributed storage coding problem we consider, data is stored across n nodes in a network, each capable of storing � symbols. It is required that the complete data can be reconstructed by downloading data from any k nodes. There is also the key additional requirement that a failed node be regenerated by connecting to any d nodes and downloading �symbols from each of them. Our goal is to minimize the repair bandwidth d�. In this paper we provide explicit constructions for several parameter sets of interest.

Item Type: Departmental Technical Report
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 09 Nov 2011 06:09
Last Modified: 09 Nov 2011 06:09
URI: http://eprints.iisc.ernet.in/id/eprint/40352

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