The Internet data defining destinations accessible by a router are partitioned into a portion containing the address search information and a portion containing forwarding option data. The address search information is stored in fast memory in a tree search format and the set of possible next destinations...http://www.google.com.hk/patents/US20040008675?utm_source=gb-gplus-share專利 US20040008675 - Method and router for forwarding internet data packets