ocr: Initial Contiguration Moinframe with largo terminol population Stepl Legacy systems remain on mointrame ond otner systems megrate 1OGLAN-bosed environment - HLA Sfep 2 Mosnfrome replaced by centrol server. All syslems become LAN-bosed, with dato residing on a local or centrol server & - FIGURE 1 the Downsizing corporate as a mainframe two-step to a process. client/server Moving from ar- chitecture is rarely possible with one giant leap.