As Mark Twain once said, “the report of my death was an exaggeration.” This is the same with mainframes for an enterprise. As far back as the early 1990s, consultants, advisors, and executives have claimed that the mainframe is an outdated computer infrastructure that is both expensive and inflexible. While those descriptions may reflect environments where proper upkeep hasn’t taken place, they miss the finer point that there is a significant percentage of commerce-based workloads that have their rightful home on the mainframe. Applications from federal and state governments to banks, credit processors, retail, manufacturers, and insurance companies continue to survive and even thrive on the mainframe.
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