SURVEY ON SECURE PRIVILEGED BASED DATA DEDUPLICATION IN CLOUD USING TWIN CLOUD

Deduplication of data is one of important data compression techniques for reducing duplicate copies of repeating data and has been more popular used in cloud storage to reduce the amount of cloud storage space and save bandwidth. Security in data deduplication can be provided with the use of convergent encryption technique which encrypts the data before uploading it to public system. The the limitations of convergent encryption drives researchers towards building more sophisticated data deduplication techniques which can fulfil current organizational needs. This paper makes an attempt to survey data deduplication system techniques available in cloud technology..