What Is the Difference Between PaaS and IaaS?


Quick Answer

In cloud computing, PaaS and IaaS are two different types of platforms in the Cloud infrastructure. PaaS stands for Platform as a Service, and IaaS stands for Infrastructure as a Service.

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Full Answer

Platform as a Service is a platform delivered over the Internet that allows the creation of applications quickly and easily without buying or maintaining the software and infrastructure underneath it. It is characterized by a web-based-user-interface creation tool that creates, modifies, tests and deploys different UI scenarios.

Rack Space notes that PaaS is different from IaaS because it is both a collaborative software development platform and utilizes proprietary data from an application to create that software.

IaaS, on the other hand, is a service that allows servers, storage, networks and operating systems to be delivered on-demand. Clients who purchase those resources receive them as a fully outsourced service on demand. IaaS allows for dynamic scaling for large clients such as Amazon Web Services. It is characterized by multiple users on a single piece of hardware.

IaaS and PaaS have become more similar as vendors introduce tools as part of IaaS that assist clients with deployment, including the ability to deploy multiple types of clouds. Both of these platforms are beneficial to business.

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