A method of accelerating the routing of frames by an acceleration switch within a network. The method includes receiving, by the acceleration switch, frames directed to one of one or more routers or switches of the network, determining, for at least some of the received frames, whether the frames belong...http://www.google.com.tw/patents/US6980549?utm_source=gb-gplus-share專利 US6980549 - Policy enforcing switch