A method for packet communication including: sending a packet, by a node configured to be moved among different networks, the packet including a sender address being a private sender address; changing the sender address from the private sender address to a global address, even when the sending is performed...http://www.google.com/patents/US7486670?utm_source=gb-gplus-sharePatent US7486670 - Method for packet communication and computer program stored on computer readable medium
