| 摘要 |
The present application discloses a policy control method, a related apparatus, and a system. The method comprises: after a gateway accesses a network, receiving a first gateway access identification sent by the gateway; selecting a policy and charging rule function entity for the gateway according to the first gateway access identification, and establishing a first session for the gateway to implement policy control on the gateway; when a mobile terminal or a fixed network device accesses the network through the gateway to perform service data flow visit, receiving a second gateway access identification sent by the gateway; and if the second gateway access identification is the same as the first gateway access identification, sending an instruction to select, for the service data flow of the mobile terminal or the fixed network device, a policy and charging rule function entity same as the policy and charging rule function entity selected by the gateway, and establishing a second session to perform policy control on the service data flow of the mobile terminal or the fixed network device. By using the mode, an exception caused by error policy control is avoided. |
