Principle #5: Base milestones on objective evaluation of working systems
There was in fact no correlation between exiting phase gates on time and project success … the data suggested the inverse might be true.
—Dantar P. Oosterwal, The Lean Machine
The Problem with Phase-Gate Milestones
Developing today’s large systems requires substantial resources—investments that can total millions and even hundreds of millions of dollars. Developers and customers have a mutual fiduciary responsibility to ensure that investments in new Solutions will deliver the necessary economic benefits. Otherwise, why bother?
Clearly, stakeholders must collaborate in ...