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Electronic data has been created today in large quantities requiring data recovery services organization’s work may experience the various type of disasters whether it was natural or man-made, which may result in huge loss of data. The purpose of recovery technology is the possibility of retrieving information from the backup server when the main data server is lost in the event of disasters. There are some difficulties such as time and cost complexity that make it difficult to implement such techniques. When you use disaster conditions as a service, these disasters can be remedied and data recovery speeds at low cost. In this paper, we compared and discuss the various techniques to create a unique backup and recovery system. In general, all these techniques focus on three different aspects: cost control, data replication, and security issues. |
