In this document we present the preliminary architecture of the SUPERCLOUD data management and storage. We start by defining the design requirements of the architecture, motivated by use cases and then review the state-of-the-art. We survey security and dependability technologies and discuss designs for the overall unifying architecture for data management that serves as an umbrella for different security and dependability data management features. Specifically the document lays out the

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... ture for data privacy, secure sharing schemes, geo-replication and fault and disaster tolerance for SUPERCLOUD data management. We further discuss our federated identity and key management approach.