Sammendrag
This article describes how a Redundant Array of Independent Net-storages (RAIN) can be deployed for confidentiality control in Cloud Computing. The RAIN approach splits data into segments and distributes segments between multiple storage providers; by keeping the distribution of segments and the relationships between the distributed segments private, the original data cannot be re-assembled by an observer. As long as each segment is small enough, an individual segment discloses no meaningful information to others, and hence RAIN is able to ensure the confidentiality of data stored in the clouds. We describe the inter-cloud communication protocol, and present a formal model, security analysis, and simulation results.
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