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Capability Maturity Model

Capability Maturity Model - Luther Setzer OEM 2009 page 1...

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Luther Setzer OEM 2009 page 1 of 8 Capability Maturity Model Luther Setzer OEM 2009
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Luther Setzer OEM 2009 page 2 of 8 In the early 1980s, the United States Department of Defense (DoD) found itself mired in a number of failing software engineering projects. Poorly defined requirements and processes ill-equipped to deal with the uniqueness of software development led to cost overruns, late deliveries, and even outright abandonment of project efforts. After much frustration, the DoD finally decided to isolate and tackle the underlying causes of these failures. It contracted Carnegie Mellon University to establish the Software Engineering Institute (SEI) in 1986 to study, document, and systematize the best practices that led to the best software. 1 To begin this study, the SEI team turned to Philip Crosby's widely used reference book Quality Is Free . Published in 1979, this book documented the Quality Management Maturity Grid (QMMG), a tool for measuring the maturity of an organization's processes. 2 Clearly, the problems the DoD suffered with its software engineering woes stemmed from processes insufficiently mature to meet the given challenges. In the eyes of the DoD, processes mature enough to meet the demands of software development would have led to fully functional software. So the SEI decided to attack the overall problem using this philosophy. It informed the QMMG model with subsequent experiences gleaned from various DoD projects and formulated a new body of best practices. This body of practices became the Capability Maturity Model (CMM). Watts Humphey, a major player in the SEI effort, published the essentials of CMM in his groundbreaking book Managing the Software Process in 1989. 3
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