A daily problem CIOs face is how to deal with legacy systems—systems built decades ago in what now feels like prehistoric times. Buried deep down in the depths of organizations live these scary, monolithic fossils—Mainframe-otops, ERP Rex, COBOL-odons and more—created in a much different world than the one we live in today. The challenge has now hit the radar of CEOs, as company leaders realize that they cannot innovate fast enough thanks to the cost and complexity of legacy systems.
When legacy systems were first built in the 1950s, they were cutting-edge. Mainframes were the only solution for large organizations looking to run high volumes of transactions and, as a result, captured a large part of the market. It was the right solution for that time in history. And in some regards, legacy systems have been a victim of their own success.
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Source: IT Strategy