Compare and contrast the following service models:  Software as a Service (SaaS), Infrastructure as a Service (IaaS), and Platform as a Service (PaaS)

Compare and contrast the following service models:  Software as a Service (SaaS), Infrastructure as a Service (IaaS), and Platform as a Service (PaaS). Technical product descriptions may be used as references for this submission however they may account for no more than half of the total references.

The requirements for your paper are:

• Describe the service models SaaS, IaaS, Paas, including:

o An example of each

o The pros and cons associated with each model

• Explain the similarities and differences between the three models

• APA formatted including title page, reference page, and in-text citations.