Since the earliest days of the computer industry, managing a software project has been a complex and demanding activity. While the technical content of software products and the technical methods used to build them have changed over time, the fundamental issues that determine the success or failure of software projects have remain fairly constant. That is, the same fundamental management mistakes continue to be made. To cite a few examples; requirements are unclear at the beginning of projects and are not managed during the project, the product is not tested adequately, schedules are...