Patent ID: 8711749
Filing Date: 2014-04-29
Classification: H04L,H04W

Abstract:
1. An information acquisition method in a switch process, wherein, the method is used to acquire mapping information of a correspondent node, and the method comprises: after a terminal switches from a first access node at a switch-out side and establishes a connection with a second access node at a switch-in side, the terminal sending a data message to the correspondent node; and after the second access node receives the data message sent by the terminal to the correspondent node, the second access node initiating an inquiry to an home Identity Location Register (ILR) of the correspondent node or to a first access node at a switch-out side so as to acquire the mapping information of the correspondent node according to Access Identifier (AID) of the correspondent node in the data message, if the AID and Routing Location Identifier (RID) mapping information of the correspondent node cannot be searched out locally; wherein the method is applied to an identification and location separation network, each of the first access node and the second access node is a node in an access network of the identification and location separation network.