Patent ID: 8037204

Claim:
A method of train inauguration, comprising: identifying a leading car of a plurality of cars that form a train, wherein said train comprises a first unit including a first car and a second unit including a second car; discovering network and configuration information for said plurality of cars, wherein said first car is configured to communicate said network and configuration information to said second car via a first subnet of an Internet Protocol (IP) network; generating a Network Address Translation (NAT) table for fixed IP addresses of devices in said plurality of cars, wherein said devices comprise a first device and a second device including one or more of a door controller, a light controller, or a climate controller, wherein said first device in said first car shares the same fixed IP address as said second device in said second car, and wherein said NAT table identifies a unique IP address for each of said first and second devices; and communicating with one or more of said devices, wherein said unique IP address is used for communication between said second car and said first device via said first subnet, and wherein said fixed IP address is used for communication between said first car and said first device via a second subnet of said IP network.