| 摘要 |
<p>COMMUNICATION DEVICE, COMMUNICATION CONTROL SYSTEM, COMMUNICATION CONTROL METHOD AND RECORDING MEDIUM RECORDING COMMUNICATION CONTROL PROGRAM The present invention provides a communication control system that monitors a status of a transmission line, and can dynamically change a communication band used by a communication device included in an access line based on the monitored result. Line terminal devices (200-1 to 200-n) monitor a status of transmission lines (l, 2) connected to the line terminal devices (200-1 to 200-n), and control a communication band used for performing data communication in accordance with the status of the transmission lines (1, 2). A line aggregation device (300) 10 monitors a status of transmission lines (2, 3), and controls a communication band used for performing data communication in accordance with the status of the transmission lines (2, 3).</p> |
