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Method, equipment and system for realizing service continuity

A continuous and business technology, applied in the field of communication, can solve problems such as no solution

Pending Publication Date: 2021-08-20
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, how to ensure business continuity during the handover process, there is currently no relevant solution

Method used

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  • Method, equipment and system for realizing service continuity
  • Method, equipment and system for realizing service continuity
  • Method, equipment and system for realizing service continuity

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Embodiment Construction

[0052] In order to facilitate understanding of the technical solutions of the embodiments of the present application, a brief introduction of related technologies of the present application is given as follows.

[0053] First, the tunnel:

[0054] The tunnels in this embodiment of the present application include a next generation network (Next generation, N) interface 3 (N3 for short) N3 tunnel and an N interface 9 (N9 for short) tunnel. Wherein, the N3 tunnel is a tunnel between an access device (such as a base station) and a UPF entity; the N9 tunnel is a tunnel between a UPF entity and a UPF entity. Usually, the N3 tunnel is a tunnel with session granularity, and the tunnel N9 can be a tunnel with session granularity or a tunnel with device granularity.

[0055] Wherein, the session-granularity tunnel refers to a tunnel resource established for one PDU session, and the tunnel is only used by one PDU session. Wherein, a tunnel with session granularity includes only one rou...

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Abstract

The embodiment of the invention provides a method, equipment and system for realizing service continuity, which can ensure the service continuity in a switching process. The method comprises the following steps: a session management function entity selects a target user plane function entity to serve a terminal; the session management function entity sends a first message to the control equipment; the session management function entity receives indication information from a first application server (AS) of the control equipment; and the session management function entity sends a first routing rule to a destination user plane function entity according to the indication information of the first AS, and the first routing rule comprises the step of sending data of which a destination address is the address of the first AS to the first AS.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a method, device and system for realizing service continuity. Background technique [0002] In order to meet the challenges of wireless broadband technology and maintain the leading edge of the 3rd generation partnership project (3GPP) network, the 3GPP standard group formulated the next generation mobile communication system (next generation system) network architecture at the end of 2016, called The fifth generation (5rd generation, 5G) network architecture. [0003] Ultra-reliable low latency communication (URLLC) scenarios are defined in the 5G network architecture, mainly including services that require low-latency and highly reliable connections such as unmanned driving and industrial automation. For example, the existing 5G technical standards (technical standards, TS) 22186 stipulate that in remote driving scenarios, the end-to-end delay between the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/12
CPCH04W72/1263H04W72/535H04W72/20H04W72/12H04W36/12H04W36/18H04W40/36H04W40/24H04W80/10H04W36/0016
Inventor 孙德奎周汉
Owner HUAWEI TECH CO LTD
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