Secure Distributed Deduplication Systems with Improved Reliability
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Abstract
Data deduplication is a method for removing duplicate copies of data, and has been extensively used in cloud storage to decrease storage space and upload bandwidth. On the other hand, there is only one copy for each file stored in cloud even if such a file is owned by a huge number of users. Accordingly, deduplication system progress storage utilization while reducing reliability. In addition, the dare of privacy for sensitive data also take place when they are outsourced by users to cloud. Planning to address the above security test, this paper constructs the first effort to celebrate the idea of scattered reliable deduplication system. This paper recommends a new distributed deduplication systems with upper dependability in which the data chunks are distributed from corner to cornering multiple cloud servers. The safety needs of data privacy and tag stability are also accomplish by introducing a deterministic secret sharing scheme in distributed storage systems, instead of using convergent encryption as in previous deduplication systems.
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