IaaS: Infrastructure as a Service refers to the provision of infrastructure to end users in the form of services. Including computing, storage, networking, and other computing resources, users can deploy and run arbitrary software, including operating systems and applications. For example: virtual machine rental, network disk, and so on.
PaaS: Platform as a Service refers to the provision of a secondary development platform to end users in the form of services. Customers do not need to manage or control the underlying cloud computing infrastructure, but can control the deployed application development platform. For example: Microsoft's Visual Studio development platform.
SaaS: Software as a Service, the service provided to consumers is an application that runs on a cloud computing infrastructure. For example: corporate office system.
PaaS: Platform as a Service refers to the provision of a secondary development platform to end users in the form of services. Customers do not need to manage or control the underlying cloud computing infrastructure, but can control the deployed application development platform. For example: Microsoft's Visual Studio development platform.
SaaS: Software as a Service, the service provided to consumers is an application that runs on a cloud computing infrastructure. For example: corporate office system.