The first part (Part II) of this blog series described the opportunities for software as a service (SaaS) or on-demand applications, especially in the current difficult economic milieu. Part IIa then analyzed the top five SaaS assumptions (misconceptions) recently outlined by Gartner.
Before any vendor can embark onto delivering a SaaS offering, it must thoroughly consider a number of harrowing
identity and access management series
, information security (including identity management ), usability, communications (e.g., via e-mail, short message service [SMS ], instant messaging [IM] ), global (multinational) capabilities, audit and compliance, and system backup and recovery . The above overwhelming combination of factors influences not only the SaaS applications architecture but also the underlying infrastructure ( platform ) architecture. I would also add the cost of full time employees (FTEs ) charged with handling all these