A method and apparatus for transmitting data packets between a client and a server comprising, a network node receiving a data packet from a client; determining whether an identity (hereafter session id) exists for a communication session with the client. The network node transmits the data packet to...http://www.google.com.tw/patents/US20020191600?utm_source=gb-gplus-share專利 US20020191600 - Method and apparatus for communicating using labeled data packets in a network
