| 摘要 |
By using a distribution device 1 comprising a unit 2 analyzing whether received data is broadcast type communication data and a unit 3 relaying the data received from a sender to an addressed receiver and also copying/transferring the data to one or more receivers other than the addressed receiver or another distribution device through a network when received data is broadcast type communication data, in broadcast type communications, the load of the network can be reduced by conducting uni-cast communication between the sender and the distribution device in the network.
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