Peers (p) monitor responses received from other peers (s, q) to requests for information and rate the responding peers on their ability to provide information of interest. When a responding peer (s) is discovered to frequently provide good results, the requesting peer (p) attempts to move closer to the...http://www.google.com.hk/patents/US7174382?utm_source=gb-gplus-share專利 US7174382 - Interest-based connections in peer-to-peer networks
