Enterprise Architecture for Business Success

The Architecture of EA

Author(s): Inji Wijegunaratne, George Fernandez and Peter Evans-Greenwood

Pp: 25-43 (19)

DOI: 10.2174/9781608059560114010007

* (Excluding Mailing and Handling)


This chapter dissects the structure of Enterprise Architecture, not be delving into detail, but by “stepping back”. We describe the various facets of the term “Enterprise Architecture”: Context, Content and Process. We then analyse options for the scope of EA, from an ideal (or idealistic) scope of EA at one end, to the typical IT-driven EA at the other. We propose a pragmatic and achievable scope and approach to EA between these two ends, based on the strategic fit of business and IT.

Each of the three stages introduced in Chapter 3- Align, Elaborate and Govern-is then discussed under this new light.

Keywords: Business and IT misalignment, communication misalignment, EA stages: Align, Elaborate and Govern, enterprise evolution, pragmatic EA, scope of EA, strategic fit of Business and IT, time misalignment, value misalignment.

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