COMMUNICATION SYSTEM, CONTROL APPARATUS, COMMUNICATION CONTROL METHOD, TRANSFER CONTROL METHOD, AND TRANSFER CONTROL PROGRAM

摘要

A communication system in which multiple communication terminals communicate through a network includes: a control apparatus 4 for controlling packet transfer in the network; and a proxy server 3 for receiving a multicast packet transmitted from a communication terminal and transmitting a unicast packet to each of communication terminals belonging to a group corresponding to the multicast packet, respectively, wherein the control apparatus 4 controls packet transfer in the network so that the multicast packet transmitted by the communication terminal will be transferred to the proxy server 3.

主权项

1. A communication system in which a plurality of communication terminals communicate through a network, comprising:
a control apparatus which controls packet transfer in the network; and a proxy server which receives a multicast packet transmitted from each of the communication terminals and transmits unicast packets to communication terminals belonging to a group corresponding to the multicast packet, respectively, wherein the control apparatus controls packet transfer in the network so that the multicast packet transmitted by the communication terminal will be transferred to the proxy server.