The idea that a good enterprise architecture (EA) is a key enabler for an effective adoption of aservice-oriented architecture (SOA) has been raised by many years (see the Ibrahim and Longcitation in Resources), and many customers have paid for the absence of an EA "due diligence" atthe price of project failure or half-failure. The architecture big picture, the end-to-end link betweenbusiness processes and IT services, and the day-to-day governance mechanism that come withan established enterprise architecture are all essential elements for an SOA that keeps its promiseof a technology capable of transforming the business and the enterprise