Each advancing wave of technological capability - and business sophistication employing information technology - changes how IT works. Many of today's IT leaders have been through several of these waves: PC and end-user computing, off-the-shelf enterprise systems, the Internet and e-business, Web 2.0, mobile devices, and anytime/anywhere computing. Another wave is cresting today as businesses and their IT organisations seek the advantages of cloud-based services.
What makes cloud computing and ITaaS so transformative?
* Inputs - More services are available and sourced externally, and IT has to compete for the business' business. IT needs an outside-in focus and the collaborative skills to maintain it.
* Processes - The transition to business services affects the entire IT value proposition and operating model, including the skills of the IT staff and the very nature of IT solutions.
* Outputs - This isn't just a change in how IT provides services, but
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