No discussion of project management can be complete without reference to the time-honored Triple Constraint. 

 

Project Management has always been described as a balance between Time, Cost, and Scope.

 

In the enlarged world of PPM, there is also a Triple Constraint, although it is quite different. In PPM, the continuing challenge is to balance Strategic Alignment, Project Value & Benefits, and Demand on Resources.

 

Here, on the right, is the traditional Triple Constraint for Projects