August 2018
Beginner
594 pages
22h 33m
English
Content preview from Software Architect's Handbook
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Software as a Service (SaaS)
On the far right of the spectrum, we have Software as a Service (SaaS), which is sometimes referred to as on-demand software. SaaS makes cloud-based software available to users over the Internet. With SaaS, everything is provided for you, including the software itself. The only thing you are responsible for is the configuration of the software. Unlike other software pricing models, customers don't have to pay for licenses to use the software. SaaS software is commonly charged using a subscription model based on a timeframe and the number of users.
Examples of SaaS are Salesforce, a customer relationship management (CRM) product, Google's Gmail, Microsoft's Office 365 productivity suite (Word, Excel, PowerPoint, ...