HealthyApp, a new Accenture H&PS client, specializes in developing custom software for hospitals and other medical facilities. For the upcoming fiscal year, they want to move to a more agile and innovative software development model, in which their developers can focus on application features and functionality, rather than underlying environments and infrastructure. Which Cloud computing model would provide HealthyApp with the framework to help achieve this goal?
A.Platform as a Service (PaaS)
B.Network as a Service (NaaS)
C.Database as a Service (DBaaS)
D.Software as a Service (SaaS)
