2007 | OriginalPaper | Buchkapitel
An Optimal Share Transfer Problem on Secret Sharing Storage Systems
verfasst von : Toshiyuki Miyamoto, Sadatoshi Kumagai
Erschienen in: Parallel and Distributed Processing and Applications
Verlag: Springer Berlin Heidelberg
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We have been developing a secure and reliable distributed storage system, which uses a secret sharing scheme. In order to efficiently store data in the system, this paper introduces an optimal share transfer problem, and proves it to be, generally, NP-hard. It is also shown that the problem can be resolved into a Steiner tree problem. Finally, through computational experiments we perform the comparison of heuristic algorithms for the Steiner tree problem.