In a system and method for backward congestion notification (BcN) in a network, when it is determined in advance that congestion is imminent in the network, the system and method enable preventive reduction of packet transmission by transmitting a BcN message, requesting packet transmission reduction,...http://www.google.com.tw/patents/US20070183332?utm_source=gb-gplus-share專利 US20070183332 - System and method for backward congestion notification in network
