| 摘要 |
The present invention discloses a policy control method and system, and a relevant apparatus. The method includes: receiving, by a policy decision apparatus, a control policy request sent by a gateway device, where the control policy request carries a subscriber identifier; sending, by the policy decision apparatus, a session request message to a charging system, where the session request message carries the subscriber identifier; receiving, by the policy decision apparatus, a response message of the session request message, where the response message is sent by the charging system; receiving, by the policy decision apparatus, a notification message sent through an established session by the charging system, and generating a service data flow control policy according to information of an occurred charging relevant event, where the information is carried in the notification message; and sending, by the policy decision apparatus, the control policy to the gateway device according to the control policy request. The method may implement, based on charging relevant information of a subscriber, policy control of a data flow, flexibility is desirable, and service experience of the subscriber is good. |
