1. A common control apparatus comprising: a plurality of controllers for providing processing; and an interface unit for interfacing with the plurality of controllers in terms of establishing communication, wherein information is acquired from and provided for each of the plurality of controllers through the interface unit independently from processing of each of the controllers; and a common control unit for managing the plurality of controllers that control respective function domains of controlled objects in a vehicle by performing common control that is common for the plurality of controllers through the interface unit, wherein the plurality of controllers respectively perform behavior control of controlled objects in the function domains, the common control is independent from the behavior control of the controlled objects, and the common control apparatus serves as a vehicle control apparatus for use in a vehicle.