If you don’t know where you’re going, any road will do.
If you don’t know where you are, a map won’t help.
—Watts S. Humphrey, Managing the Software Process
The eleven to one ratio of organizational productivity that DeMarco and Lister reported in Peopleware suggests that the processes used by different organizations are not equally efficient for producing software. The diversity of software processes in use ranges from formless individualism, where everyone improvises and works as he pleases, to the discipline of standardized and measured procedures, in which the quality, cost, and schedule of projects are highly predictable. The Software Engineering Institute (SEI) defines software process ...