| 摘要 |
To achieve communication service handover in which a communication service used by a user by a certain device can be continuously used by another device, without adding functions on a network side. The system at least has: a service providing means for providing user with service; a move management means for managing move of client on the server side; a means installed in a device A for generating a file access log by a process; a means for determining a process to be handed over by user specification; a means for stopping a process and the like; a means for closing a socket and the like; a means for transmitting necessary data to a device B; a means for requesting the device B to update a socket; a means for transmitting, on a client side, a position registration message to the move management means; a means for constructing a session to use service with the service providing means; a file generation means for generating a file handled by the process; a means for communicating with outside of the device; a means installed in the device B for controlling the process; a file update means for applying a file received from the device A; a means for applying socket information received from the device A; a means for transmitting, on the client side, a position registration message; and a means for communicating with outside of the device.
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