IaaS, PaaS and SaaS, like many other acronyms in the IT industry, leave us lost in translation. With the initial confusion aside, they simply explain the three main developments in cloud computing. As a pooled collection of resources and services that are hosted on the Internet, the Cloud, often referred to as a stack, is categorized into three main service models: Infrastructure, Platform and Software as a Sservice translate to IaaS, PaaS and SaaS, respectively.
These services function thanks to virtualization, with the availability of high-speed networks and capabilities of modern browsers. With the use of these technologies, it has become less necessary for businesses to have their own infrastructure or software. Yet still IaaS, PaaS and SaaS remain a grey area, and many individuals struggle to differentiate between them to find the optimum solution for their business.