Method, device and computer storage medium for user plane path update

A path update and user plane technology, applied in connection management, wireless communication, electrical components, etc., can solve problems such as data transmission interruption and packet loss, achieve the effect of reducing delay and service interruption, and improving continuity

Active Publication Date: 2021-07-13
DATANG MOBILE COMM EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a method, device and computer storage medium for updating user plane paths, which are used to solve the technical problems of many data transmission interruptions and packet loss in the prior art when switching user plane paths

Method used

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  • Method, device and computer storage medium for user plane path update
  • Method, device and computer storage medium for user plane path update
  • Method, device and computer storage medium for user plane path update

Examples

Experimental program
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Embodiment 1

[0087] Embodiment 1. The user plane anchor point update of the PDU session triggered by UE movement:

[0088] See Figure 4 , when the UE is moving and the RAN node of the access network changes,

[0089] Step 401: The SMF determines based on the current location of the UE that the original user plane anchor point (Old UPF) of the PDU session needs to be updated, and selects a new user plane anchor point and a distribution point.

[0090]Wherein, the current location of the UE may be determined according to the node identifier of the access network RAN ​​providing services for the UE, the tracking area identifier where the UE is located, and the like. The split point may be a BP split point (for IPV6 addresses) or a UL CL split point (also called an uplink / downlink splitter, for IPV4 addresses).

[0091] It should be understood that the SMF completes the selection of the new user plane anchor point and the distribution point (BP or UL CL) according to the existing procedures...

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Abstract

The invention discloses a user plane path update method, device and computer storage medium, which are used to solve the technical problems of many data transmission interruptions and packet loss in the prior art when the user plane path is switched. The method includes: selecting a new user plane anchor point when it is determined that the original user plane anchor point of the packet data unit PDU session needs to be updated; sending a first notification to the application layer AF, and receiving the response returned by the AF. Notified response message; wherein, the first notification is used to notify the AF that the original user plane anchor point needs to be updated; if the response message indicates that the SMF can update the PDU session When the path is updated, the user plane path of the PDU session is updated based on the new user plane anchor point.

Description

technical field [0001] The present invention relates to the field of mobile communication, in particular to a method, device and computer storage medium for user plane path update. Background technique [0002] Mobile Edge Computing (MEC) introduces a virtualized platform into the mobile network, which can effectively realize the sinking of service anchors and shorten the service response time. [0003] In the 5G network, due to the need to provide related technologies for ultra-low latency and ultra-high reliability communication, in MEC scenarios, when business content or user equipment (UE) moves, it is necessary to ensure business continuity, so that Services at the application layer are not interrupted. In order to ensure that the application layer services will not be interrupted, the 5G core network needs to complete the migration of the UE context from the original MEC server to the new MEC server at the application layer before completing the user plane path switch...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W40/24H04W76/22
CPCH04W40/248H04W76/22H04W36/00H04W40/24H04W40/36
Inventor 王胡成
Owner DATANG MOBILE COMM EQUIP CO LTD
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