Cloud computing is a promising worldview that gives co mputing resources as a service over a system. Various information replication approaches have been introduced for information cloud in the previous decades. All replica tion method access a few qualities, for example, adaptation to internal failure, versati lity, dependability, execution, stockpiling utilization, information access time and so on. Late examination permitted us to more readily comprehend the cost drivers an d significant choices that can influence the costs related with moving to the cloud, to make the RAND Cloud Cost Model, and to build up a structure for contrasting the cloud and other data stockpiling and the executives’ options.