International Journal of Computer Applications
Cloud computing is very fruitful area for today's business. It provide lot of advantages like reduction of hardware and software cost for organization. Organization not has to invest a lot of money for their infrastructure and they gain full benefit of their investment. Number of cloud provider also increasing some of which have their own data center and some also have virtual data center to provide services over the internet. Cloud is a model where customer expects more services or services without interruption for their money and cloud provider expect more ROI (Return On Investment).