Patent ID: 7328291

Claim:
In a data bus system having a resource manager and a plurality of bus users using the data bus, at least one bus user providing services and other bus users using the provided services, wherein the resource manager stores information about a type of the available services provided by the bus users and information about the service-providing bus users, reserves a service from a providing bus user if the providing bus user's service can be used, and sends a response to a requesting bus user so that the requesting bus user can use the service from the providing bus user via the data bus, a method for controlling service engagements for bus users on the data bus system comprising the acts of: providing on the data bus via a standard interface associated with the resource manager the information about the provided services; making available to the resource manager via the standard interface a change in the provision of a service by a bus user; controlling the service engagement with the resource manager on the basis of a priority information item that is associated with a service request of the requesting bus user; sending service request messages from a bus user to the resource manager via the data bus; and the resource manager using the stored information to ascertain a bus user with the suitable service and asking the bus user whether the service can be used by the requesting bus user.