Tag Archives: Legacy

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Reusing DoD Legacy Systems: Making the Right Choice


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Authors: Meredith Eiband, Timothy J. Eveleigh, Thomas H. Holzer, and Shahryar Sarkani

Department of Defense (DoD) programs often experience cost overruns and technical difficulties due to reuse of legacy systems. With today’s fiscal climate of resource-constrained DoD budgets, reuse of legacy systems is frequently touted as the solution to cost, efficiency, and time-to-delivery problems; however, cost overruns and technical difficulties can significantly diminish any perceived benefits. Through evaluation of eight diverse DoD programs, this research shows that the state of a legacy system’s documentation, availability of subject matter expertise, and complexity/feasibility of integration are key factors that must be analyzed. Based on these three key factors, the authors propose a framework to aid both the DoD and defense contractors in the evaluation of legacy systems for potential efficient and effective reuse.

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