User plane connection establishment method and apparatus, core network device, communication device, communication system, and storage medium

Abstract

The present disclosure provides a user plane connection establishment method and apparatus, a core network device, a communication device, a communication system, and a storage medium. The method comprises: a first network element receiving first information sent by a second network element, wherein the first information is used for indicating a third network element related to a protocol data unit (PDU) session, the PDU session is used for accessing a first service, a user plane path related to the third network element is used for establishing a first user plane connection between a terminal and a fourth network element, the fourth network element is different from a fifth network element, the fifth network element is a network element having established a second user plane connection with the terminal, and the first user plane connection and / or the second user plane connection is used for the first service; and selecting the fourth network element on the basis of the first information. According to the method of the present disclosure, when the third network element is added for the PDU session, addition of a new fourth network element is triggered to support simultaneous establishment of a plurality of user plane connections corresponding to the plurality of network elements.

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