International Journal of Computer Applications
Cloud computing is the utility computing that provides virtualized resources, applications, and services using distributed network and Internet. Cloud computing service offers the ability to scale up and scale down users computing requirements and most importantly to reduce the cost of deployment. Many organizations are migrating to cloud computing services to lower the risk and for better business continuity. In case of on-demand access user requests infrastructure services for immediate access and for a very short interval of time, they have to pay certain charge depending upon that duration.