Multicast data communication system, data communication equipment, program and multicast data communication method

摘要

PROBLEM TO BE SOLVED: To provide a system in which effects on the whole of a network in the case of a trouble in BSR can be effectively reduced in an IP multicast communication system through PIM-SM.;SOLUTION: Multicast domains are divided into each of given sections and BSR is assigned to each of the divided multicast domains. Each BSR shares mutually the other BSR position information and mutual C-RP information.;COPYRIGHT: (C)2006,JPO&NCIPI