The cloud computing is based on this three concepts. IaaS (Infrastructure as a service), PaaS (Platform as a Service) and SaaS (Software as a Service).Cloud computing is Internet-based computing, whereby shared resources, software and information are provided to computers and other devices on-demand, like electricity.
Software as a service is a technology providing the application services over the internet. This is providing only as a service, no need to install any additional hardware or software to get it through the internet.
Saas also called as Web-based software, on-demand software, or hosted software. SaaS applications run on a service provider’s side servers. The provider manages security, access, application security, availability, and performance for the applications.
The traditional way of IT service providing is implementing, managing and maintaining the IT infrastructure by the company itself. The benefits of Sass are lower initial cost, accessibility any ware when capable using internet, free to managing and maintaining application and updates.
