Abstract
Cloud computing is clearly one of today’s most enticing technology areas due, at least in part, to its cost-efficiency and flexibility. The cloud infrastructure provider in a cloud computing platform must provide security and isolation guarantees to a service provider, who builds the service(s) for such a platform. As a new internet-based super computing model, the cloud computing technology has aroused great concern, and facing an increasing number of security threats at the same time. We describe how the combination of existing research thrusts has the potential to alleviate many of the concerns impeding adoption. In particular, we discuss some key technologies in cloud computing such as control to data in cloud computing, security and privacy guarantees for cloud data, virtualized safe technology, trusted cloud computing, encrypted data storage. Those methods improve the high availability of data. Protection measures from the data storage to transmission are taken to ensure safety.
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