Patent ID: 6052736
Filing Date: 2000-04-18
Classification: H04L

Abstract:
A method of routing messages from a source device on a first network to a destination device on a second network through a first routing device utilizing a master routing device remote from the first routing device, the method comprising the steps of:transmitting a message received at the first routing device to a master routing address associated with the master routing device over a third network;receiving a routing address from the master routing device responsive to the transmitted message, wherein the received routing address specifies an address of a device to which subsequent communications to the destination device are routed;storing, at the first routing device, the received routing address in a list of addresses so as to associate the stored routing address with an address of the destination device of the message;receiving at the master routing device [a] the received message transmitted from the first routing device over the third network;transmitting the message received at the master routing device to a routing address determined from a master list of addresses which specifies an address of a device to which communications to the destination device are routed; andtransmitting the routing address determined from the master list of addresses from the master routing device to the first routing device.