Intelligent Enterprise Magazine: In Focus: The Top-Five Myths About SOA: "Myth #5 - If you're using Web services (such as SOAP over HTTP), you've achieved SOA. Not so, says Martin Moseley, chief architect at Intuit, maker of Quicken and Turbo Tax software. 'Even if you use Web services and apply object-oriented approaches, you may not achieve the kind of loosely coupled, autonomous and reusable components that are essential to true SOA,' Moseley says.
Myth #4 - You can buy SOA out of the box. Not quite, says Manuel Ferreira, IT director at Galp, the largest oil and gas supplier in Portugal. 'SOA is something you build for each enterprise, carefully studying each application and planning services that can be reused across that enterprise,' Ferreira says. 'If it's out of the box, it's probably not reusable.'
Myth #3 - You can simply wrap legacy systems with services. 'We often see significant benefits for the overall SOA project if you closely examine the current business needs and then modernize your applications,' says Mark Davis, manager, worldwide enterprise integration services at HP, a TIBCO integration partner. Application modernization may mean reengineering existing applications, rehosting them on a more reliable, manageable or standards-based platform, replacing custom code with a packaged application or retiring apps if you find they no longer support the business.
Myth #2 - Once the top executives are sold on SOA, your troubles are over. SOA demands commitment and tenacity, says Susan Martin, CIO at agricultural giant Bunge Global Markets. 'There's a constant pull to meet new IT and business needs using the quick-and-dirty approaches of the past,' she says. Sticking to SOA approaches and standards requires ongoing discipline, strong governance and support from ra"