TL;DR:
Software as a Service (SaaS) is like renting a car instead of buying one. Just as you can rent a car when you need it without worrying about maintenance or storage, SaaS allows you to use software applications over the internet without managing the underlying infrastructure. You simply access the app through a web browser, and the service provider takes care of everything else. This model helps businesses lower costs, deploy and scale quickly, and receive automatic updates, making it a convenient and efficient way to use software.
Details for the Techies
Software as a Service (SaaS) is a cloud computing model where software applications are delivered over the internet by a service provider. Customers rent the use of these applications, which are hosted on the provider’s servers, and access them through a web browser. The service provider manages the underlying infrastructure, software, and hardware, ensuring that the applications are always available and up-to-date.
SaaS offers several key benefits for businesses:
- Lower Costs: By avoiding the upfront costs of purchasing software and hardware, businesses can predict their total costs more accurately. SaaS is typically priced on a subscription or pay-as-you-use model, making it more affordable and flexible.
- Quick Deployment and Scalability: SaaS allows businesses to deploy, scale, and upgrade solutions more quickly than maintaining on-premises software. This agility helps businesses respond to changing needs and market conditions.
- Automatic Updates: SaaS providers automatically apply updates and patches to the software, reducing the burden on a company’s IT team and ensuring that the applications are always running the latest version.
Common examples of SaaS include email services, calendaring, and office tools like Microsoft Office 365. SaaS increases the accessibility of applications, so it’s important to verify user identity and control access levels to ensure security.
For more detailed information, you can refer to Wikipedia’s SaaS overview.