An optimistic job scheduling strategy based on QoS for Cloud Computing

Cloud Computing refers to constructed data center or “super computer” by virtualization technology and provide computing and storage resources, as well as the application container environment of software running, to software developers in a manner of free or hiring. The Cloud Computing is promoted by the business rather than academic which determines its focus on user applications. Different users have different QoS Requirements. So according to the given deadline and budget, this article conducts research on scheduling model from the user´s perspective.