Cloud Computing-An Emerging Technology and Review of Hybrid Models

The cloud heralds a new era of computing where application services are provided through the Internet. Cloud computing enhances the computing capability of mobile systems. It is an emerging technology and all the organizations (be it large or small) are thinking about deploying their applications on the cloud. Today this technology is widely adoptable as it provides integration of software and resources which are dynamically scalable. This paper presents an overview of cloud computing, advantages/disadvantages of various cloud computing deployment models, viz. private, public, hybrid and community clouds. Comparison of private, public and hybrid cloud has been done along with pros and cons of using one over the other.