1b Triple Constraint
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The triple constraint of project management describes the
interdependency between the three cornerstones of a project, as we
introduced them in the definition of the term project:
- Scope: all the work we have to do in order to create the clearly specified product.
- Schedule: the time we need in order to create that product.
- Budget: the total amount of money we need in order to create that product.
If we change one cornerstone of the three, we influence the other two.
For example, if we increase the scope - because of additionally
required features of the product – then we obviously have to increase
the necessary time and amount of money. Similarly, in order to shorten
the time we could reduce the scope and consequently reduce the budget of
that project. We also could shorten the time by involving more
resources and thus, increasing the budget.