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Unformatted text preview: Chapter 9 – I nformation Systems Strategy, Governance, and Ethics RELAT IONSH IP BETWEEN ORG. STRATEGY AND I.T. PLANN ING Managing information systems requires an understanding of both organizational strategy and the technological architecture underlying them. WHAT IS I N FOR MAT ION TECHNOLOGY ARCH ITECTURE An IT architecture is like a plan for a city that lays out the street network, the water system, and the power grids. I t is the basic framework for all the computer systems, and information management that support organization services. In response, some organizations have created a new job description, the enterprise architect , to describe people who do this work. The job of the enterprise architect is to create a blueprint of an organization’s information systems and the management of these systems. The blueprint should provide an overview that helps people in the organization better understand current investments in technology and plan for changes. In developing the architecture, the enterprise architect usually considers organizational objectives, business processes, databases, information flows, operating systems, applications and software, and supporting technology. The standards of an IT architecture are: o Usually a long document with many sections that includes diagrams o Management policies (privacy, sourcing and security) o Discussion of future changes to the architecture Since the development of an IT architecture is complex, its often helpful to use a method that organizes the development. One of the most popular methods remains the Zachman framework , conceived by John Zachman at IBM in the 1980s. The frame work divides systems into 2 dimensions:...
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- Winter '10