A Survey of Current Trends in Cloud Computing

Cloud computing is a virtualized image containing Internet based technology that has become an increasingly important rend, by offering the sharing resources that include infrastructures, software, applications and business processes to the market environment to match elastic demand and supply. In today's competitive environment, the service dynamism, elasticity, choices and flexibility offered by this scalable technology are too attractive that makes the cloud computing to steadily becoming an integral part of the enterprise computing environment. This paper presents a survey of the current state of Cloud Computing, This includes a discussion of the evolution process of cloud computing, characteristics of Cloud, Current technologies adopted in cloud computing, This paper also presents a Comparative study of cloud computing platforms (Amazon and Google), and its challenges.