Infrastructure as a service (IaaS) is the most basic form of cloud computing, where infrastructure resources—such as physical computers—are not owned by the user but instead … 展开

In the 1960s, multitasking was invented, enabling mainframe computers to serve multiple users simultaneously. Over the next decade, timesharing became … 展开

Some SaaS providers offer free services to consumers that are funded by means such as advertising, affiliate marketing, or selling consumer data. One of the most popular models for Internet start-ups and mobile apps is freemium, where the company charges for … 展开

SaaS products are typically accessed via a web browser as a publicly available web application. This means that customers can access the application anywhere from any device without needing to install or update it. SaaS providers often try to minimize the difficulty of … 展开

A challenge for SaaS providers is that demand is not known in advance. Their system must have enough slack to be able to handle all users without turning any away, but without paying for too many resources that will be unnecessary. If resources are static, … 展开

In the United States, constitutional search warrant laws do not protect all forms of SaaS dynamically stored data. The result is that governments may be able to request data from SaaS providers without the owner's consent.
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• Ballhausen, Miriam (2014). "OpenSaaS: Using Free and Open Source Software as Software-as-a-Service". International Free and Open Source Software Law Review. 6: 61–68. ISSN 2666-8106.
• Bhandari, Guru Prasad; Gupta, Ratneshwer (2019). "An … 展开