The Perils of Cross-Silo Deduplication: Trading User Security for Provider Storage Efficiency
With the increasing interest in public cloud infrastructures, a crucial need has evolved for trustworthy remote data storage and processing. At the same time the increased demand for storage, from backup services, to cloud infrastructures has driven the use of deduplication to eliminate redundant data in the cloud as a means to improve storage efficiency, and save bandwidth, reducing the cost of deploying and maintaining cloud infrastructures. It is assumed that it is in the best interest of both the cloud provider, and the customer to perform crosssilo deduplication, i.e. deduplicating across user-silos within the cloud.