The meanings of SaaS, PaaS, IaaS cloud service models
Saas (Software as a Service)
Provides software that is reachable as long s there is internet.
- virtual desktop
- Google Apps
PaaS (Platform as a Service)
Provides apps run time environment, development environment, and software platform.
IaaS (Infrastructure as a Service)
Provides cloud computing and storage.
- virtual local area networks
- virtual machines
IaaS is the basic layer, while SaaS is the top lyer.