An asynchronous transfer mode switching system uses a parallel array of switching planes, distributors for distributing cells between the switching planes, and resequencers for collecting the cells after they have been switched. To balance the loads in the output buffers of the switching planes, each...http://www.google.com.hk/patents/US5355372?utm_source=gb-gplus-share專利 US5355372 - Threshold-based load balancing in ATM switches with parallel switch planes related applications
