This book is the authoritative reference for the most current release of CMMI models. The book begins with background information needed to understand the nature, structure, and use of these integrated models. A case study demonstrates their implementation in a real environment. A variety of practical material, such as a glossary and full list of acronyms, is also provided. The bulk of the book comprises the content of all CMMI Models, covering the 25 process areas (PAs) that span the product lifecycle, with precise descriptions of each PA, including generic and specific goals and practices.