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Method, device and system for switching user plane network element

A user plane and network element technology, applied in the communication field, can solve problems such as the inability to switch Ethernet session scenarios

Active Publication Date: 2019-09-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the Ethernet session scenario, the Media Access Control (MAC) address of the terminal remains unchanged. If the address allocation method in the IP session scenario is used, the anchor UPF in the Ethernet session scenario cannot be realized. switch

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  • Method, device and system for switching user plane network element
  • Method, device and system for switching user plane network element
  • Method, device and system for switching user plane network element

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Embodiment Construction

[0064] The technical solution in this application will be described below with reference to the accompanying drawings.

[0065] The technical solution of the embodiment of the present application can be applied to various communication systems, such as: Global System of Mobile communication (Global System of Mobile communication, GSM) system, Code Division Multiple Access (Code Division Multiple Access, CDMA) system, Wideband Code Division Multiple Access (Wideband Code Division Multiple Access, WCDMA) system, General Packet Radio Service (General Packet Radio Service, GPRS), Long Term Evolution (Long Term Evolution, LTE) system, LTE Frequency Division Duplex (Frequency Division Duplex, FDD) system, LTE Time Division Duplex (Time Division Duplex, TDD), Universal MobileTelecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication system, future fifth generation (5th Generation, 5G) system, future Other systems or new radio (New Radio, NR...

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Abstract

The invention provides a method, a device and a system for switching a user plane network element. The method is applied to an Ethernet session scene. The method comprises the following steps: a session management network element determining that the user plane network element of an Ethernet session needs to be reselected, and the user plane network element needing to be reselected is a source user plane network element of the Ethernet session; the session management network element sending a message detection indication to a first network element, the message detection indication being used for indicating the first network element to inform the session management network element when the first network element detects a downlink message of the Ethernet session, and the first network element comprising a target user plane network element or an intermediate user plane network element; the session management network element receiving first notification information from the first network element; and the session management network element sending second notification information to the source user plane network element, and the second notification information being used for indicating the source user plane network element to release resources, so that switching of the user plane network element in an Ethernet session scene can be realized.

Description

technical field [0001] The present application relates to the communication field, and more specifically, to a method, device and system for switching user plane network elements. Background technique [0002] In a fifth generation (5th Generation, 5G) network, in addition to supporting an Internet Protocol (Internet Protocol, IP) type protocol data unit (Protocol Data Unit, PDU) session, an Ethernet type session is also supported. Among them, Ethernet is a protocol layer below the IP layer. Wherein, for the PDU session of the IP type, IP packets are transmitted in the mobile network. For an Ethernet session, Ethernet packets are transmitted in the mobile network. [0003] Due to the mobility of the terminal, the 5G network will switch the anchor user plane function device (User Plane Function, UPF) for the terminal. In the IP session scenario, the control plane gateway realizes the switching of the anchor UPF by assigning different IP addresses to the terminal equipment....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W36/14H04W36/18H04L29/08
CPCH04L67/148H04W36/00
Inventor 孙德奎
Owner HUAWEI TECH CO LTD