Methods for selecting core network elements, user devices, and computer storage media

Abstract

The invention refers to the method of handover between network elements, the method of selecting network elements and user equipment (UE). This method includes: initiating a request message to the network side, in which the request message includes information carrying the second network element at the Access Stratum (AS) layer, so that the network side can send the request message to the corresponding network element using the information of the second network element; The request also includes: information carrying the first network element or the second network element at the Non-Access Suspension Layer (NAS).