Abstract
As huge amounts of data are produced and stored for various applications, then the problem arises in data storage as well as access time of the data. The stored data are accessed in the least amount of time, despite there exists duplicates of data in the storage. This becomes easier by suing cloud storage devices due to easy access of data and their duplicates. Memory reutilization makes the storage efficient. The data can be backed up in the cloud and restored easily when there is crash preventing inconsistency in data. For deduplication, logical pointers and the hash functions are used along with deduplication manager that replaces the duplicate data with pointers and keeps track of duplicates irrespective of the load. The security of the data is also a key factor along with data consistency. This chapter discusses data deduplication for cloud computing and explains how the cloud helps in addressing the issues related to duplicates of data.
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