A survey on various backup and recovery technique in cloud

Cloud computing is an emerging technology that allows their user to store large amount of data in cloud storage and it can be use whenever required, from anywhere. It provides numerous kinds of services to its users such as Software as a service, Infrastructure as a service, and Platform as a service etc. Storage-as-a-service is one of the services provided by cloud infrastructure in which large amount of data is stored in cloud. As valuable and vital data of enterprises are stored at a remote location on cloud so we must be assured that user’s data must be safe and be available at any time. In situations like Flood, Fire, earthquakes or any hardware malfunction or any accidental deletion our data may no longer remain available. To maintain the data security and availability there must be some data backup technique for cloud platform to recover valuable and vital data efficiently. This paper provides a review on various backup techniques used for Cloud Computing platform regarding this concern