An on-line data processing system for providing a traffic control over the message queuing buffers that temporarily store the messages in order to absorb the difference in the message processing speed between the on-line program processing unit and the transmission/reception unit connected to a plurality...http://www.google.de/patents/US5506966?utm_source=gb-gplus-sharePatent US5506966 - System for message traffic control utilizing prioritized message chaining for queueing control ensuring transmission/reception of high priority messages