Different software deployment models

Let’s begin our exploration with Infrastructure as a Service (IaaS), the foundational layer of cloud computing. IaaS offers a flexible and scalable infrastructure, which is crucial for businesses with specific hardware requirements or those transitioning from on-premises solutions to the cloud.

In companies where you have infrastructure engineers, you will probably find more people working with IaaS. On the other hand, in companies where IT is not the core business, you will find a bunch of Software as a Service (SaaS) systems. It is common for developers to decide to use the Platform as a Service (PaaS) option or to go serverless, as they have no need to deliver infrastructures in this scenario.

As a software architect, you must cope with this environment and be sure that you are optimizing the cost and work factors, not only during the initial development of the solution but also during its maintenance. Also, as an architect, you...