Project management - beyond the iron triangle

As business analysts we are often up against the project management iron triangle.

Although we often clearly identify important requirements that the project should realize, the scope-time-money mantra has already fixed the deliverable in stone.

Here is an interesting article from Jim Highsmith. In it he collapses the traditional overarching concerns of scope-schedule-cost into constraints, placed at one corner of a new triangle that elevate the role of value and quality. It "alters how we view success."