Software as a service is the latest incarnation of the hosting model. The demand for cost efficiency, information technology flexibility, and faster return on investment, coupled with new technology advancements, has caused the hosting model to be reborn.
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seeing any inkling of ROI, users have started to demand a performance-based, shared risk model of software provision. The licensing and delivery of enterprise software products is therefore undergoing a fundamental shift from traditional upfront fees for perpetual licenses to incremental, per transaction, pay as you go (PAYG), or even success-based pricing. These are becoming popular alternatives, especially for small businesses and startups that do not have the same, large information technology (IT)