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What is Platform-as-a-Service? Everything you need to know



Modern software applications can be incredibly complex. There are code libraries to maintain, graphics to build, and regulations to think about. Once an application is up and running -- whether it’s for internal use at your company or a customer-facing mobile iPhone app or Android app -- the real work begins. Companies have to continually update the app to ward off security issues, improve features to meet customer demand (internal or external), and keep up with the digital transformation occurring in your given market. When companies are tasked with maintaining and upgrading the surrounding platform for the app -- the operating systems, servers, networks, and computers involved -- it becomes even more of a Herculean task.

That’s where Platform-as-a-Service (or PaaS) comes in. As one of several cloud computing models in use today (joining the older Software-as-a-Service (SaaS) model, the newer Infrastructure-as-a-Service (IaaS) model, and many others), the concept of PaaS helps companies focus on software development or providing other services to customers without having to manage, update, and maintain the actual platform that hosts the application.


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