| 摘要 |
A method and system for remote access to a device is provided. This involves establishing a connection between a local device connected in a local network and a remote device via a communication link; sending a message from the local device to the remote device via the communication link, indicating an online status of the local device; and maintaining an online status indication for the local device at the remote device, until arrival of a message indicating an offline status of the local device.
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