Retrofitting Applications with Service-Oriented Architectures

Implementation Strategies and Alternatives

October 2, 2003

This report explains how to retrofit applications that suffer from four data and application problems that don’t yield to entirely external, non-invasive solutions: obsolete data structures or missing data, redundant data, redundant processing, and business-rules-enforcement deficiencies. We describe a strategy for addressing such problems and work through case studies to solve examples of each.


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