Union Pacific, the railroad company that transports chemicals, coal, food, minerals and automobiles in and around 23 Western U.S. states, has had two workhorses that toiled tirelessly for the past four decades: the diesel locomotive and the IBM mainframe.
mainframe - News, Features, and Slideshows
1. Mainframe shops have to make decisions: whether to migrate to other platforms, add service-oriented architecture (SOA) interfaces or rewrite applications. With a half-baked strategy, IT winds up "bolting on all sorts of unusual, often architecturally inelegant" work-arounds, argues John B. Rabon, manager of legacy modernization at Aflac. "We saw this happening. You hit this wall of unintended consequences." Aflac is now 60 percent finished with a major conversion initiative.