| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce a processing load on communication control when a plurality of multicast packets are present when accomplishing a broadcasting type multicast communication service. <P>SOLUTION: The communication system comprises: a probe transmission server 3 which transmits probe multicast packets to be distributed through the same route as main multicast packets at fixed intervals; an aggregation server 20 which converts a plurality of main multicast packets and the probe multicast packets into one aggregated multicast packet; and a communication controller 7 which simultaneously decides communication of the plurality of main multicast packets on the basis of the reception intervals of the probe multicast packets and restores the main multicast packets from the aggregated multicast packet when the communication disconnection of the main multicast packets is detected. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
