The invention provides a method and apparatus for transmitting data securely using an unreliable communication protocol, such as User Datagram Protocol. In one variation, the invention retains compatibility with conventional Secure Sockets Layer (SSL) and SOCKS protocols, such that secure UDP datagrams...http://www.google.com.hk/patents/US20110173436?utm_source=gb-gplus-share專利 US20110173436 - Method and apparatus for providing secure streaming data transmission facilities using unreliable protocols
