Mainframe Modernization, Realistic Approaches ADABAS, Natural, COBOL, VSAM, ETC……………….

Mainframe Modernization, Realistic Approaches ADABAS, Natural, COBOL, VSAM, ETC………………. In my latest postings I have been weeding through technologies and terminologies being used to ‘upgrade’ legacy systems.  Upgrade has been renamed “Modernization”.  I like upgrade because it has a feeling of; ‘making better’ and implementing things that make sense for cost, energy and quality. But first I have had a nagging question as to ‘how many organizations know EXACTLY what they have now?’ I know