Takeaway: SOA rolled out incrementally with a focus on business value (broken down into business domains and prioritized based on value, cost and risk) is optimal. To avoid silo'd SOAs at Perficient, they use a Strategic Services Blueprint, which serves as their SOA roadmap, along with a steering committee comprised of an SOA sponser, a lead architect from each functional-application system, and an enterprise architect.
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FYI: For real-world examples on using SOA to enhance business value, sign up for ebizQ's Using SOA for Maximum Reuse.
Source: Eric Roch
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