Question

Discuss the following Service Delivery Models of Cloud, with an example for each:

a. Platform as a Service (PaaS)

b. Infrastructure as a Service (IaaS)

c. Software as a Service (SaaS)

17 Feb 2026
Answer :
Word Count : 563
Platform as a Service (PaaS) is a cloud service delivery model that provides a framework for developers to build, test, and deploy applications without worrying about managing the underlying infrastructure. PaaS offers a ready-to-use platform that includes development tools, operating systems, databases, and other services required to build applications. The cloud provider is responsible for managing the hardware, networking, and storage while users focus on the development and deployment of their applications. One example of PaaS is Google App Engine. This platform allows developers to build and host web applications without managing the server infrastructure. Developers can use programming languages like Python, Java, or Go to build their apps, while Google takes care of the scaling, security, and infrastructure management. This enables developers to focus entirely on writing the code and creating the user experience, saving time and resources that would otherwise be spent on infrastructure maintenance. Infrastructure as a Service (IaaS) is another cloud service model that
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