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Most cloud computing services fall into four broad categories; infrastructure as a service (IaaS), platform as a service (PaaS), serverless, and software as a service (SaaS). NCI Cloud is used to provide many of the data services and capabilities like the Australian Research Environment (ARE) which uses NCI's IaaS (Nirin Cloud) to build a PaaS (ARE) to deliver SaaS.
Infrastructure as a service (IaaS) | The most basic category of cloud computing services. With IaaS, you rent IT infrastructure – servers and virtual machines (VMs), storage, networks, operating systems – from NCI on a pay-as-you-go basis. |
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Platform as a service (PaaS) | Platform as a service refers to cloud computing services that supply an on-demand environment for developing, testing, delivering and managing software applications. PaaS is designed to make it easier for developers to quickly create web or mobile apps, without worrying about setting up or managing the underlying infrastructure of servers, storage, network and databases needed for development. |
Serverless computing | Overlapping with PaaS, serverless computing focuses on building app functionality without spending time continually managing the servers and infrastructure required to do so. NCI handles the setup, capacity planning, and server management for you. Serverless architectures are highly scalable and event-driven, only using resources when a specific function or trigger occurs. |
Software as a service (SaaS) | Software as a service is a method for delivering software applications over the Internet, on demand and typically on a subscription basis. With SaaS, cloud providers host and manage the software application and underlying infrastructure, and handle any maintenance, such as software upgrades and security patching. Users connect to the application over the Internet, usually with a web browser on their phone, tablet or PC. |
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