For this series I chose Hayek because, like Keynes - and unlike Milton Friedman - he focused on the great complexity of markets and their inherentunpredictability.
Detailed migration plans should be created and support requirements estimated, as tight coordination is essential to ensure no interruption in service while transitioning from the incumbent provider, then reinforced to account for the unpredictabilityinherent with such a complex set of interdependent events.