The development process of Amazon Web Services

Cloud services included three service types: IaaS、PaaS and SaaS. IaaS refers to the services that provides the virtual hardware and computing power；PaaS is the services that provides the fast add-on software development tools or libraries；SaaS provides the real-time internet applications services for the end users. As a leading e-commerce vendors, Amazon launched the cloud services in the form of IaaS and PaaS and also established a relatively successful business model for all cloud service providers....