In this chapter, we will introduce you to cloud computing and the key terminologies used commonly by cloud practitioners. We will briefly describe what public, private and hybrid clouds are, followed by a description of various cloud service models (offered by the service providers) including the features of Infrastructure as a Service (IaaS), Platform as a Service (PaaS) and Software as a Service (SaaS).
One of the main cloud-based product design elements is multi-tenancy; often considered critical from a profitability and ROI perspective. So, we will spend some time discussing, at a high level, models of multi-tenancy and their implications on design and operations.
We will also discuss some of the ...
