MOBILITY MANAGEMENT METHOD, GATEWAY NODE AND CORE NETWORK

摘要

A mobility management method, a gateway node and a core network. The method comprises: in an inter-SGSN re-location procedure, when an original GGSN accessed by a terminal determining, according to a PDP context update request sent by a new SGSN of the terminal, that GGSN switching is required, pushing a PDP context of the terminal to a new GGSN, and notifying the new SGSN of first address information of the new GGSN; the new GGSN, according to an address and a TEID of the new SGSN contained in the PDP context of the terminal, sending, to the new SGSN, downlink data to be sent to the terminal; and the new SGSN, according to the first address information of the new GGSN, sending uplink data of the terminal to the new GGSN.