Stakeholders in business and information technology (IT) enterprises are faced with challenges that result from technological changes occurring at accelerated paces, economic and environmental issues demanding immediate actions, and a need for more precise collaborative decision making. Consequently, chief executive officers are required to respond with solutions that can only be sustained if built upon solid foundations. This paper introduces Intelligent Enterprise Architecture (IEA) as an architectural style and technique that addresses current and future business and IT trends, along with the technological impacts of a Smarter Planet™ on enterprise architecture. The building of a Smarter Planet involves thinking and acting in new ways to make systems more efficient and productive. Thus, we describe an IEA and ways in which foundations can be laid for enterprises to address business complexities that demonstrate Smarter Planet characteristics, including instrumented, interconnected, and intelligent characteristics. IEA is composed of four entry points, referred to as IEA for Cloud, IEA for Social Computing, IEA for Green & Beyond, and IEA for Information Intelligence. Example applications of IEA are provided and include a utility client that reduces energy use due to data-center architecture improvements. We also discuss the potential economic benefit of IEA.
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