| 摘要 |
A method for monitoring and migrating a primary server (131a-c) transmitting a real time streaming protocol (RTSP) stream is provided. Backup servers (211a-c) monitor at least one primary server (131a-c) to determining whether the primary server (131a-c) is active. Upon determining that a primary server (131a-c) is inactive, the backup servers (211a-c) take over the connection on which the inactive primary server (211a-c) was streaming data and then take over the transmission of the RTSP stream. The backup server (211a-c) can further derive the position in a file of the next data needed to be transmitted.
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