Gartner predicts CIOs will need to consider an entirely new model to build applications by 2015, based on platforms as a service (PaaS), rather than traditional standalone components.
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While the current best practice in application design is based on a three-tier architecture – with presentation or client layer, a Java or .net application server, and a relational database – by 2015, competition among the PaaS providers will produce new programming models, standards and software market leaders.
Platforms as a service include application servers such as Microsoft Azure, databases as a service and middleware as a service. In its PaaS 2012: Tactical Risks and Strategic Rewards report published last month, Gartner said: “Users and vendors of enterprise software that have not yet established a cloud computing strategy must anticipate that, during the next three years, PaaS offerings will become a strategic part of their technology portfolio and plan their current technology investments accordingly.”
Yefim Natis, vice-president and distinguished analyst at Gartner, said: "Users and vendors of enterprise IT software solutions that are not yet engaged with PaaS must begin building expertise in PaaS or face tough challenges from competitors in the coming years."