A Practice of Information Technology Architecture for Defense Acquisition Program Administration

Information Technology Architecture (ITA) has been focused by organizations which have a number of information technology (IT) assets. However, there are many issues to apply ITA to a real field. Hence, this paper presents a practice of ITA for Defense Acquisition Program Administration (DAPA) in Korea. Particularly, DAPA adopts ITA to support its mission, strategic goals, and the rational management of IT resources. We also present the architectural framework of DAPA IT with ITA procedures and As-Is/To-Be models. Moreover, we deal with the transition issue from the As-Is model to the To-Be model, ITA management system, and lessons learned. As a result, we believe that ITA is useful for building and maintaining information systems with avoiding overlaps and mistakes in IT investment.