Removing the mystique surrounding the techniques, Six Sigma Software Development, Second Edition shows how Six Sigma tools and concepts can be used to improve the systems development process. Revised and updated, this second edition clearly explains the concept of Six Sigma and its application, the map of Six Sigma concepts and tools for all aspects of systems development, and proposed the use of Six Sigma tools to evaluate and improve the overall performance of the IT department. Besides the classic Six Sigma, the book introduces Design for Six Sigma (DFSS) and describes when and how the tools and techniques that can be used to improve durability and reliability of the new system.