| 摘要 |
In one embodiment of a multi-connection management method, a management area is prepared for each of the interfaces. A call control memory stores the management information of a leaf interface, statuses of connections, leaf interface information and link information. A whole leaf interface management area is stored with the link information of the leaf management areas. The leaf management area for each interface is stored with the information of the corresponding interface and the link information. In another embodiment, connection status for a fixed-connection communication of a multicast is confirmed. This includes a communication controller that receives a status confirmation demand message sent by terminals and demands a multicast server for information collection, if the message is the status confirmation demand message which is effective for the protocol regulations. If the response information for the status of each line accommodator, which is collected and gathered by the multicast server, is returned from the multicast server to the communication control as a result of the information collection demand, the communication controller edits a connection status notice message on the basis of the response information and sends a connection notice message to the multicast server to return it to the terminals through the line accommodators.
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