• Platform as a Service (PaaS): A PaaS cloud platform that is provided by the seller. The PaaS model, users do not need any software, programming languages, software environment, designer, tools or software to install. Developers using the platform vendor, libraries and programming language for developing applications offer. This model is a software program that provides for the delivery of cloud applications. The pass allows software developers to focus on application development, without worrying about the maintenance of operating systems such as IaaS. PaaS services for software developers to develop and deploy applications with hardware abstraction layers offer.