International Journal of Advanced Technology in Engineering and Science (IJATES)
Cloud storage services are commercially more popular due to their amount of advantages. Most of the cloud service provider provides services like infrastructure management, data storage services on 24/7 through any devices at anywhere. To provide this ubiquitous always on service most of the Cloud Service Provider (CSP) maintains each piece of data on geographically distributed servers. The main key problem with this technique is that, it is very expensive and some to fail to provide required consistency of service.