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Method and device for service distribution

A service and terminal device technology, applied in the field of communication, can solve problems such as PDU session interruption

Active Publication Date: 2021-08-03
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a method and device for service offloading, which are used to solve the problem of PDU session interruption caused in a service offloading scenario

Method used

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  • Method and device for service distribution

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Embodiment Construction

[0110] The present application provides a service offloading method and device, which are used to solve the problem of PDU session interruption caused in a service offloading scenario. Among them, the method and the device are based on the same inventive concept. Since the principles of the method and the device to solve problems are similar, the implementation of the device and the method can be referred to each other, and the repetition will not be repeated.

[0111] The terms "first" and "second" in this application are only used to distinguish different objects, and do not limit their order. For example, the first functional entity and the second functional entity are only used to distinguish different functional entities, and their sequence is not limited.

[0112] The term "and / or" in this application is only an association relationship describing associated objects, which means that there may be three relationships, for example, A and / or B may mean: A exists alone, A an...

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Abstract

The present application provides a method and device for service offloading, which relate to the field of communication technology and are used to solve the problem of session interruption due to UE mobility in traditional technical solutions. The solution includes: when the first session between the terminal device and the first data network DN requires a second functional entity, the first functional entity determines the second functional entity for the first session, and the first session includes at least one first session A service; the first functional entity sends first mapping rule information to the second functional entity, where the first mapping rule information is used to instruct the second functional entity to send the first service to a third functional entity, and the third functional entity The functional entity is used to realize the conversion of the address of the first service from the address of the first server to the address of the second server.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a method and device for service distribution. Background technique [0002] A protocol data unit (protocol data unit, PDU) session (session) is a connection between a user equipment (user equipment, UE) and a data network (datanetwork, DN) defined in the fifth generation (5thgeneration, 5G) mobile communication system, Used to provide PDU connectivity services. Among them, the PDU connection service supported by the 5G core network (core network, CN) refers to the service that provides PDU exchange between the UE and the data network (data network, DN) determined by the data network name (data network name, DNN). The UE may establish a PDU session served by different user plane function (user plane function, UPF) entities to connect to the same DN. [0003] In the traditional technical solution, as the UE moves, the session management function (session mana...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/851H04L29/08H04L29/12
CPCH04L47/2441H04L67/145H04L61/2557H04L61/2521
Inventor 韦安妮吴义壮熊春山
Owner HUAWEI TECH CO LTD