Theory of Constraints
“I’ve been trained in the theory of constraints and one of the things I think is so powerful is the notion of the constraint in the value stream. What is so provocative about that notion is that any improvement not made at the constraint is an illusion. If you fix something before the constraint you end up with more work piled up in front of the constraint. If you fix something after the constraint you will always be starved for work.
In most transformations, if you look at what’s really impeding flow, the fast flow of features, from development to operations to the customer, it’s typically IT operations.
Continue reading at http://blog.delphix.com/kyle/2014/theory-constraints/