Patent ID: 7809871
Filing Date: 2010-10-05
Classification: G06F

Abstract:
1. A common access ring (CAR) network comprising: a plurality of CAR masters, each coupled to a corresponding application module; a plurality of CAR slaves, each coupled to a corresponding application module; a first bus structure coupling the CAR masters and CAR slaves in a ring, wherein each of the CAR masters is configured to transmit requests on the ring to the CAR slaves without the use of tokens, wherein a plurality of requests from different CAR masters may exist on the ring at the same time, wherein each of the CAR masters is configured to have, at most, one request pending on the ring at any given time, and wherein the CAR masters and CAR slaves are configured to transfer the requests in a serial manner around the ring on the first bus structure, such that no more than one of the requests is received by any one of the CAR masters or any one of the CAR slaves at the same time.