Enterprise Architecture As Strategy Ross Pdf Download

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IT architecture is often assumed to follow business strategy, to align IT with the business's strategic objectives. Increasingly, though, many business strategies depend on specific underlying IT capabilities. To develop a synergy between business strategy and IT architecture, firms must develop organizational competencies in IT architecture. My research has identified four IT architectural stages, each with its own requisite competencies. The "application silo architecture stage" consists of IT architectures of individual applications. The "standardized technology architecture stage" has an enterprise-wide IT architecture that provides efficiencies through technology standardization. The "rationalized data architecture stage" extends the enterprise-wide IT standards to data and processes. And the "modular architecture stage" builds onto enterprise-wide global standards with loosely coupled IT components to preserve the global standards while enabling local differences. Each stage demands different organizational competencies to implement the architecture and prepare the firm to move to the next stage.

Enterprise architecture is an explicit description of existing documents, favorable relationships between business, processes and information technology and provides an outline for the creation of extensive information systems at the organization level. In fact, Enterprise architecture helps to implement an organization's strategy in a coordinated manner by aligning business processes with data and technology .This study examines and compares previous literature and academic articles on the benefits of adopting and applying Enterprise architecture, its indicators and modeling frameworks, as well as the factors affecting the implementation of Enterprise architecture. The results of this article indicate that factors such as clear understanding of the organization's business, increasing responsiveness to change and its management, information systems integration, information technology investments and acquisition strategies, development and maintenance of Enterprise architecture standards, business alignment With information technology, business process improvement, organizational agility, risk management and organizational governance have been considered from different perspectives in Enterprise architecture. The results of this article help to create a better understanding of Enterprise architecture and thus its successful implementation and execution.

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