| 摘要 |
A private network terminal device issues, to a repeating installation, a relay request for relaying a connection request. A global network terminal device connects with the repeating installation, to transmit the connection request. The repeating installation relays the connection request and relays communication between the terminal devices in an as-is manner. Here, the private network terminal device separately commences new connection with the global network terminal device through direct connection and transmits a replacement request for replacing the connection by way of the repeating installation with this direct connection. The global network terminal device transmits a disconnection request to the repeating installation. The private network terminal device disconnects communication with the repeating installation. The global network terminal device disconnects communication with the repeating installation, thereby commencing communication with the private network terminal device through direct connection. Subsequently, peer-to-peer communication is performed through use of the direct connection.
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