Developing Core Application Systems for the 21st Century

by Ken Orr

In this Executive Report, Ken Orr discusses the major sets of options currently available to business and IT planners today concerning their current legacy systems: leave them alone, replace them with COTS, replace them with open source applications and components, or replace them with state-of-the-art service-oriented architecture (SOA) or cloud applications. The report suggests that there are problems with all of these approaches and discusses the primary characteristics that the core application systems of the 21st century should include. Principal among these characteristics are that they should: (1) be platform-agnostic, (2) utilize agile development environments, and (3) be semantically aware.

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Developing Core Application Systems for the 21st Century1 February 2008

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