Of punctual supplier in the commercial phases, sometimes in implementation and maintenance, the editor turns into a responsible service provider, held by commitments of quality, availability, security and product evolution over time. He is encouraged in this model by a new business model more recurring and more profitable, which is in line with what the customer research, namely a relationship of long-term partnership.
Like ASP or on-demand applications, SaaS fits into the family of hosted software. Unlike the ASP, applications based on the SaaS model is built from the outset in Web mode and optimized to be delivered over the Internet. The SaaS model allows to shift the maintenance, operation and application hosting. Payment for consumption is a means to optimize costs.
