Challenge After several years of rapid growth fed by mergers and acquisitions, sort-type processing was taking up a lot of general-purpose CPU time in the multiple IBM mainframes at this international banking group. It was inevitable that all that CPU time spent on mundane sort and copy operations would become a target for cost reduction. But how? That was the question. The bank’s formidable IT organization managed four major data centers - in Brazil, Mexico, Spain, and the UK. Each site had two to four mainframes, and all were running at high utilization rates, often hitting 100%. For years the IT shop was content with using IBM’s DFSORT, the standard component for sort processing that comes with z/OS, even though faster, more efficient alternatives were available. Precisely

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