4.0 The ROI

4.1 Traditional Calculation

There is no operational traditional calculation for an enterprise architecture. That's because they are never successful. They are, in fact, always abandoned, or so quickly accomplished that their value is almost nil.

4.2 Changed Approach Calculation

Given there is a requirement to determine an ROI for determining the cost of a traditionally developed Enterprise Architecture as compared to the Whitemarsh recommended approach, the calculation is really to only come to the average ROI of the four cited ROIs. That would be:

ROI Title

Changed Approach ROI

Project Management


Information Systems Planning


Data Centered Development and Management


Manufacturing Integrated, Interoperable, and Non Redundant Data Models


Average ROI 


The traditionally developed enterprise architecture would thus be 14.625 times greater tan the strategy presented in this ROI.


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