| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a domain name control system which generates a domain name according to the change of the operating mode of a computer and allots the domain name to a fixed IP address. SOLUTION: The domain name control system comprises an intranet 60, a land radio communication unit 40, a vehicular LAN 25 provided in a train, vehicular computers 23-1 to 23-n, a vehicular domain name server 22 for managing the domain name and the IP address, a vehicular radio communication unit 21, a land computer 50, a land domain name server 30, a domain name controller 10 for generating and controlling domain data of the vehicular and land domain name servers 22, 30, an operation management system 70 for feeding the controller 10 with data of trains and an input unit 80.</p> |
