Affiliations: Defense Information Systems Agency, Center for
Enterprise Capabilities, 701 South Courthouse Road, Arlington VA, 22204-2199,
USA, E-mail: [email protected] | Department of Information Systems and Operations
Research, George Mason University, Fairfax VA, 22030-4444, USA, E-mail:
Abstract: The concept of a systems engineering ecology and related concepts
are discussed; and their relationship with enterprise architectures is
examined. A brief review of the evolution of systems maturity for software
applications is presented. The role of standards and architectures is
discussed, and ongoing efforts in the area of enterprise information technology
architectures are reviewed. The concept of a foundation program is discussed,
and several examples from the U.S. Department of Defense are presented.
Suggestions are presented for future investigation into measures for optimizing
the value of information systems to the enterprise.