A method and apparatus for peer-to-peer services have been described. In one embodiment, a request for data is received from a first local device. A determination of a second local device having the data is made. The first local device is directed to the second local device to directly obtain the data...http://www.google.com.hk/patents/US7562112?utm_source=gb-gplus-share專利 US7562112 - Method and apparatus for peer-to-peer services for efficient transfer of information between networks
