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John Billman

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Despite the IT industry's obsession with the "next big thing," even valuable innovations are often put into context by legacy systems. Your bank account, mortgage, home and auto insurance, and pension are all likely to be running on a so-called legacy system. They typically run a large portion of a company's critical business processes and contain years' worth of valuable coding and enhancements. While most of these systems are clearly getting the job done, they must evolve to continue to support the business in the most efficient manner. As pressure mounts to access core functionality from the Web, integrate heterogeneous systems across the enterprise, comply with regulatory requirements or support new lines of business, legacy systems can no longer operate in isolated silos. So, how can IT executives preserve mission-critical functionality while keeping pace with... (more)