A method and system for distributing messages on a bus bridge interconnect are described. In one embodiment, the interconnect comprises a number of nodes, a bus bridge, and a number of buses. The method and system insure that the messages have been observed by each node. In one embodiment, a message...http://www.google.com.hk/patents/US6584539?utm_source=gb-gplus-share專利 US6584539 - Method and system for message broadcast flow control on a bus bridge interconnect