| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a multicast processing system for making possible the multicast communication of a communication equipment provided on a moving object such as railroad train, bus or airplane by dynamically controlling the address of a multicast packet transmitted-received by the communication equipment. <P>SOLUTION: The multicast processing system is provided with a network 40, A train system 30a and B train system 30b connected to the network 40 and constructed on the moving object such as train, a ground communication server 10 for communicating with the A train system 30a and the B train system 30b, a multicast administrative server 20 for managing the groups and multicast addresses of the A train system 30a and the B train system 30b, a ground LAN 50 connected with the ground communication server 10 and the multicast administrative server 20 or the like, and a ground host 60 for processing data from the A train system 30a and the B train system 30b. <P>COPYRIGHT: (C)2004,JPO</p> |
