Comparison and Performance Evaluation of Web Application and Cloud Application Based On Platform as a Service Framework

Cloud computing is an internet-basedmodel of computing, where the sharedinformation, software and resources are providedto computers and other devices upon demand.Cloud computing provides enormous businessopportunity. Cloud computing could dramaticallylower the need for upfront investments in it andongoing maintenance. Users pay only for the time,resources, andcapacities he uses while scaling upto accommodate the changingbusiness needs.There are various cloud computing platformsavailable. One very interesting cloud computingplatform is Google App Engine (GAE). Cloudcomputing has emerged recently that focuses onreduction of expenses on resources and thus theapplication can be developed in a pay as you gomanner. Then the web applications can beuploaded to the cloud and maintained without anyissues on the enterprise side. Cloud computing onthe other hand has emerged as a solution to cutdown the enterprises expenditures but there is alimited literature about how to use it. This articlefocuses on how to move social applications intothe cloud and on the evaluation of theirperformance. The study shows how to implement asocial networking application using GAE cloudwith limited code and evaluates the scalability ofthe applications