Patent ID: 6822955
Filing Date: 2004-11-23
Classification: H04L,H04W

Abstract:
A system for allowing mobile computers to function in a first network, said system comprising:a router associated with the first network adapted to respond to internet protocol (IP) addresses that fall within a predetermined range; a proxy router adapted to facilitate communication between a mobile computer having an address outside the predetermined range of the router, said mobile computer being associated with said first network, said proxy router comprising memory and a processor programmed to: respond to an address request protocol message from the mobile computer to spoof the mobile computer into treating the proxy router as the mobile computer's gateway; perform a proxy domain name service to identify a destination address in the network based on a destination name provided by the mobile computer; and perform a network address translation function on messages from the mobile computer such that an originating address of the mobile computer is translated to an address within the predetermined range.