Abstract: A method, a device, and a system for identifying a traffic type across devices are provided, where the method includes: obtaining, by a source service control device, flow identification information of a service flow transmitted between a user equipment and a network; and synchronizing the obtained flow identification information to a target service control device when detecting that the user equipment is handed over from the source service control device to the target service control device to transmit the service flow with the network, so that the target service control device identifies, according to the flow identification information, the traffic type of the service flow transmitted between the user equipment and the network. Thus an operator is facilitated to implement network service control such as bandwidth control and virus prevention efficiently without changing an existing architecture.

Abstract: A method, a device, and a system for identifying a traffic type across devices are provided, where the method includes: obtaining, by a source service control device, flow identification information of a service flow transmitted between a user equipment and a network; and synchronizing the obtained flow identification information to a target service control device when detecting that the user equipment is handed over from the source service control device to the target service control device to transmit the service flow with the network, so that the target service control device identifies, according to the flow identification information, the traffic type of the service flow transmitted between the user equipment and the network. Thus an operator is facilitated to implement network service control such as bandwidth control and virus prevention efficiently without changing an existing architecture.