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August 8, 2006 Requirements For Long-Term ArchitectureGuiding Today's Decisions To Create Long-Term IT Agilityby Alex Cullen, Jost Hoppermann with Gene Leganza, Henry Peyret, Larry Fulton, Laurie M. Orlov, Lauren Sessions |
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Executive Summary
Enterprise architecture (EA) groups need to guide the execution of IT projects, but the architects' value should be based more on their understanding of target architecture than on their skills as technologists. To be credible, the target architecture must be based on credible assumptions about future business requirements. Getting these future requirements is not a simple matter of asking business management for them, and analyzing them is not the linear technique used to develop the design for a project. Instead, use a combination of requirements aggregation and scenarios to gather and analyze long-term requirements. This will lead to more credible architectures with appropriate flexibility and evident business value.
This is an excerpt
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