A method for communicating between communication participants over a bus system, comprising:
- uniquely identifying each of the communication participants with a respective participant address;
- providing each of the communication participants with a first group of references as respective service access points;
- providing a second group of references for at least one reference of the first group of references;
- and
- within the second group of references, routing a communication from one of the communication participants in accordance with the participant address of the one communication participant.