| 摘要 |
Provided are a method, device and system for authorizing a service of a user, which can effectively improve the utilization rate and working efficiency of a VNF resource. The method comprises: a first controller acquiring an identifier of a user, an identifier of a first gateway and service information, and sending a first request to a second controller, wherein the first request comprises the service information; the first controller receiving a first response sent by the second controller, wherein the first response comprises an identifier of a transport network; and the first controller sending a second request to a third controller, wherein the second request comprises the identifier of the user, the identifier of the first gateway and the identifier of the transport network, the second request is used for notifying the third controller to configure a path for transmitting data, and the data is data which needs to be sent to a VNF corresponding to the service information by the user. |
