Clarifications and Suggestions for Software as a Service (SaaS)

To many, the concept of Software as a Service (SaaS), Platform as a Service (PaaS), and what-have-you as a Service (XaaS) is well understood. The emergence of strong cloud based services facilitates a true paradigm shift in modern computing. I’ve found though, that there remains a misunderstanding in some circles about exactly what this new option really is.¬† For simplicity and brevity, I’d like to take a moment here to explain this concept using SaaS as an example.¬† I’ll also offer a few suggestions about how to add SaaS to the enterprise services portfolio, and offer some commentary for providers that hope to move applications from a product-centric to a service-centric delivery model.