1. A method for controlling the flow of production lots and development lots in a manufacturing facility, comprising: establishing at least one target for processing of a set of development lots in the manufacturing facility; monitoring a progress of the set of development lots in the manufacturing facility; comparing the progress of the set of development lots against the at least one target; establishing at least one suggested action for the set of development lots if the progress of the set of development lots deviates from the at least one target; and deciding which development lots in the set of development lots to assign to at least one tool in the manufacturing facility, wherein the at least one suggested action is incorporated into the assignment decision.