System managing membership of a group of processors in a distributed computing environment. Specific actions are identified and performed in order to manage the group membership. A processor requests to join the group of processors and thus, is added to the group. Similarly, processors may request...http://www.google.se/patents/US5793962?utm_source=gb-gplus-sharePatent US5793962 - System for managing membership of a group of processors in a distributed computing environment 
