Cloud service scenarios
In the Cloud deployment models section, we answered the question Where are we going to deploy our resources? In this section, we'll address the questions What type of resources are we going to use? and How much infrastructure management control do we want?
Cloud computing services generally come in four forms:
- Infrastructure as a Service (IaaS)
- Platform as a Service (PaaS)
- Software as a Service (SaaS)
- Serverless computing
Your computing needs will drive what type of services you choose. Frequently, solutions can be built from any or all four types of services. It's important to identify what parts the organization wants to own or manage, what type of development the organization wants to do, and where the different points of responsibility will be.
Most organizations will end up utilizing some form of hybrid cloud deployment – perhaps linking some of their on-premises applications with cloud offerings or extending...