An improved method and apparatus for resource arbitration. Four priority classes, managed high (MH), managed low (ML), opportunistic high (OH) and opportunistic low (OL), are defined. A priority class is assigned to each resource access request. An access request concentrator (ARC) is created for each...http://www.google.se/patents/US7099975?utm_source=gb-gplus-sharePatent US7099975 - Method of resource arbitration