The most common cloud service models are infrastructure as a service (IaaS), platform as a service (PaaS), and software as a service (Saas).
IaaS is the basic category of cloud computing services where you buy, by the name, the infrastructure. The cloud service provider manages data center, networking firewalls and security, and servers and storage, whereas you keep managing your own software (such as operating systems, development tools, database management, business analytics, and hosted applications). IaaS model is typically billed on a pay-as-you-go basis which can save costs while scaling up and down as needed.
With PaaS, you manage only the applications and services you develop, and the cloud service provider typically manages everything else, including middleware. Platform as a Service is an ideal model for a complete development and deployment environment in the cloud.
Common examples of SaaS are Microsoft Office 365 tools; you can access the cloud-based application over the Internet. All the underlying infrastructure, middleware, app software, and app data are managed by the cloud service provider. You can pay for the use of these apps by subscription or according to the level of use.
CloudOnMove is also a SaaS tool accessible via tool.cloudonmove.com. These key benefits of Software as a Service apply to CloudOnMove as well:
- no hardware costs
- no initial setup costs or setup time
- pay for only what you use
- scalable usage
- automatic updates
- cross device compatibility
- accessible from any location
- customizable applications