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EA as S talks about four operational models. These four models are defined by the level of unified business process and the level of data integration. See figure 1.
EA as S also talks about "for stages of architectural maturity."
- Business Silos "where companies look to maximize individual business unit needs"
- Standardized Technology "providing IT efficiencies through technology standardization"
- Optimied Core "provides companywide data and process standardization as appropriate"
- Business Modularity "manage and reuse loosely coupled IT-enabled business process components to preserve global standards while enabling local differences"
Jim Phelps' Application of this
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