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      What is Infrastructure as a Service (IaaS)?


      Infrastructure as a Service (IaaS) is the on-demand delivery of computing resources over the internet, including networking, storage, and other infrastructural components. A category of cloud computing, IaaS relieves users of the need to maintain physical servers while also providing them the flexibility to provision and scale their resources as needed.

      IaaS cloud providers generally take on low-level infrastructure management responsibilities — like security, data partitioning, and backups. Unlike Platform as Service (PaaS) and Software as a Service (SaaS) categories of cloud computing, users have control over what infrastructure components they actually use and the software and tools they use with that infrastructure, like operating systems or development tools.

      IaaS is a popular option for businesses that wish to leverage the advantages of the cloud and have system administrators who can oversee the installation, configuration, and management of the infrastructure that they wish to use. IaaS is also used by developers, researchers, and others who wish to customize the underlying infrastructure of their computing environment

      For more educational resources related to IaaS, please visit:

      A complete list of our educational resources on infrastructure can be found on our Infrastructure page.



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      What is Platform as a Service (PaaS)?


      Platform as a Service (PaaS) is a category of cloud computing in which developers can provision deployment platforms to build applications. The underlying infrastructure of each platform is abstracted, meaning that users can expect pre-configured runtime environments and predictable scaling, storage, and security options. Users also have access to languages, libraries, tools, and services for application development, as well as a certain degree of control over configuration settings. However, they do not have the ability to modify the underlying operating system or network settings

      PaaS can be a good choice for developers who don’t have the need to customize their underlying infrastructure or who want to focus their attention on development rather than DevOps and system administration.

      For more educational resources related to PaaS, please visit:

      A complete list of our resources on cloud computing can be found on our Cloud Computing page.



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