International Journal of Computer Applications
The popularity of cloud computing has increased by tremendous amounts within last few years. By replacing huge amount of traditional IT infrastructure in very short time, cloud computing has brought itself to a supreme position in IT industry. Various factors such as easy availability, pay-as-you use model and cost effective nature of cloud computing have helped it to achieve this position. However, with the rising popularity of cloud a large number of providers have readily invested in the same. As a result of this the numbers of providers offering cloud services have increased rapidly.