METHOD AND SYSTEM FOR NOTIFYING CHANGE OF USER STATE

摘要

A method for notifying change of user state is provided by the present invention. The method includes that when a network element on wireless side monitors that user state has changed, or, when a network element of a core network monitors that user state has changed, the information indicating the user state is notified to a data distributing gateway. A system for notifying change of user state is also provided by the present invention. A notification unit in the system is used for, when the network element on wireless side monitors that user state has changed, or, when the network element of a core network monitors that user state has changed, notifying the information indicating the user state to the data distributing gateway. According to the method and the system of the present invention, it is ensured that the data distributing gateway can know current user state of a user in time, thereby, the data distributing gateway can control the open of extended tunnels.