1. The method of processing message packets at different processors in a plurality of processors interconnected by a network including the steps of: coupling message packets from the processors concurrently into the network; determining within the network at least one of the coupled message packets which has a priority dependent on data content of the coupled message packets which priority is not exceeded by any other message packet; and presenting a highest priority message packet to all processors simultaneously for processing thereat the highest priority message packet containing the data of the at least one message packet that is determined to have priority.