After simply introducing the principle of RPR, this paper mainly discusses the key techniques of RPR, such as RPR priority scheme, fairness algorithm and topology discriminating mechanism.

If you use JMS-based navigation, there is no scheme (for example, age-based or priority-based) to process older or more highly prioritized business process instances first.

This paper brings forward a synchronization scheme combines session connection with data gain base on changed, and client side data priority base on timestamp.