Cloud Services 5 Articles
Infrastructure as a service (IaaS) is a form of cloud computing based on automation and orchestration technologies to on-demand provision and manage virtualized infrastructure resources such as server, storage and network over a wide area network (WAN) to the consumer.
Platform as a service (PaaS) is a form of cloud computing that provides a platform allowing consumers to develop and deploy applications and services over Wide Area Network (WAN) or the Internet. The consumer does not manage or maintain the underlying platform software, middleware and cloud infrastructure.
Software as a Service (SaaS) is a software licensing and delivery model in which software is licensed on a subscription basis and is centrally hosted on cloud. Consumers do not need to manage the software architecture, software maintenance and the underlying infrastructure. End users access the SaaS application using a thin client like web browser.
IaaS, PaaS and SaaS are 3 different forms of cloud computing delivery model to provide services over wide area network (WAN) to the consumer.