Data transfer from an application at a node of a network to a queue for a data channel is disabled when the amount of queued data in the queue is greater than a first limit and enabled when the amount of queued data in the queue is less than a second limit. The first queue limit preferably is increased...http://www.google.com/patents/US5802310?utm_source=gb-gplus-sharePatent US5802310 - Systems and methods for data channel queue control in a communications network 
