| 摘要 |
[Problem] To provide a communication system capable of flexible packet transfer processing control by means of service quality information, a service quality control method and control method, and communication device. [Solution] A communication system which sets a logic path in a network and performs communication comprises: a control device (50) which holds a policy indicating a correspondence between the logic path (30) and service quality information (QoS); and a communication device (10, 20) which, in accordance with a control message transmitted from the control device (50), adds the service quality information (QoS) corresponding to the logic path (30) to which a packet belongs to the packet. |
