The model that inspired this book is the CMMI. The CMMI offi cially expanded
the scope of the CMM from software to the entire enterprise of organizations. That
expansion includes systems engineering as well as software engineering, integrated
product and process development (specialized teams that design and develop systems),
and acquisition (procuring systems, and monitoring the procurement and
management of contracts awarded).
Other models in use include the Federal Aviation Administration??™s (FAA??™s)
CMM, which builds upon the original CMM and other model as they relate to
FAA issues. However, parts of this model may also be extracted and used in other
business endeavors (not just aviation).
Six Sigma is also being used more and more frequently. Six Sigma attempts
to reduce the variation in processes to a very small number. Six Sigma focuses on
Beginning the Journey n 25
improvements and measures that will lower the cost of doing business. Six Sigma
consists of defining project goals and objectives; measuring narrow ranges of potential
causes and establishing a baseline; analyzing data to identify trends and causes
of the deviations; improving the processes at the identified cause level; and controlling
the problem.
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