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We present an integrated approach to requirements engineering for organizational IT to help ensure IT-business strategy alignment. A single, unified model to enable validation of system requirements against business strategy is proposed. We use VMOST analysis to deconstruct business strategy. We then model strategy using a goal-oriented requirements engineering notation; this is done within the framework for modeling an organization's business strategy proposed by the Business Rules Group. We use Jackson's problem frames to represent business model context. Our approach is illustrated via an e-business case study of Seven-Eleven Japan taken from the literature.

Organizations have existing systems infrastructure that are the result of decades of one-by-one implementations of specific solutions. As organizations, products, customers and technologies continue to change at an increasingly rapid rate, managers have sought overviews that will allow them to understand how Business and IT within their organization fits together. Enterprise Architecture is a representation of the organization to enable the planning of the organization changes. It includes the current and future business objectives, goals, visions, strategies, informational entities, business processes, people, organization structures, application systems, technological infrastructures, and so on.In this paper, we show how the alignment between Business and IT can be disaggregated into four different dimensions and we present some heuristics to ensure such alignment.