While service-oriented architecture (SOA) is enjoying a continued increase in both real-world implementations and marketing buzz, one area that raises more questions than answers is how the mainframe fits in SOA initiatives. The mainframe continues to be the mission-critical platform of choice for virtually every member of the Global 2000, local, state and federal governments. Most mainframes at large enterprises contain thousands and thousands of valuable line-of-business applications and serve as the central repository of record – where the so called “one version of the truth” is maintained. Mainframe applications and data drive the way the world does business – from ATM transactions to airline tickets and virtually every financial transaction on the planet. So why is it that the most significant computing platform in existence is subject to so much controversy over how, and even if, it should be included in SOA initiatives?


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