Service model choices are driven by the consuming organization's employee skill set. For example, system administrators manage infrastructure. If IaaS is the chosen service model, the enterprise will need to maintain and grow this group's knowledge and capabilities. Because the base infrastructure gets consumed as a service, administrators can refocus on new career growth opportunities beneficial to the enterprise in the longer term. An example might include learning infrastructure scripting skills with languages such as Chef and Puppet:
Heavy software development shops may choose to consume PaaS services. ...
