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Mainframe decision makers...

eeterrific 18th Aug 2008

As long as IT departments are headed by baby boomers who are in bed with IBM, the z series will continue to exist and propogate. There are a number of old systems (re: COBOL) that still meet the business needs, and will continue to run because replatforming doesn't make business sense or because of prioriites. Most of these could run on the mainframes of ten years ago (or older). IBM works hard on coming up with ways to economically justify upgrading to the latest and greatest mainframes. And they are especially good at marketing and buddying up with folks who are the technical decision makers or heads of IT departments...most who grew up in the 70's..80s...with mainframes. And they're convinced that nothing could replace them.