COMMUNICATION NETWORK, NODE DEVICE, AND METHOD AND DEVICE FOR TRANSMISSION CONTROL

摘要

PROBLEM TO BE SOLVED: To provide a communication network, a node device, and a method and a device for transmission control which prevent addition of unnecessary traffic to a communication network and existence of communication of which the communication band is reduced. SOLUTION: A signal which is inputted to the communication network and reaches a destination terminal may pass a switch 251 twice or more and may not be circulated once or more on the communication network after being inputted to the communication network.