COMMUNICATION SYSTEM, COMMUNICATION METHOD, NETWORK CONFIGURATION MANAGEMENT NODE, SERVICE CONTROL NODE, AND ACCESSING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a communication system etc. for realizing the reduction of congestion state and the continuation of service provision by making utilization factor of a service control node constant by dynamically changing the relation between the service control node and an accessing apparatus.

SOLUTION: The communication system is provided with the accessing apparatus 50, the service control node 30 for providing a predetermined service to a user terminal 90 which has requested service via the accessing apparatus 50, and a network configuration management node 10. In this communication system, the node 10 controls a logical path between the accessing apparatus 50 and the node 30 according to the status of the node 30.

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