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Communication method and device

A communication method and network element technology, applied in the field of communication, can solve problems such as deployment, failure to select application servers, and suboptimal transmission paths for uplink data packets.

Active Publication Date: 2021-10-01
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004]However, currently UPF can only know the anycast IP address of the application server in the data network to which it is connected (for example, mobile edge computing (MEC)) , therefore, in the process of UPF forwarding data packets according to anycast IP addresses, the application servers that can receive the data packets are limited, and can only be the application servers deployed in the data network connected to UPF
[0005] To sum up, at present, when forwarding uplink data packets to application servers through anycast IP addresses, the selection range of application servers is limited, and the transmission path of uplink data packets is not Not optimal, resulting in the inability to select the corresponding application server or the application server close to the terminal location

Method used

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Embodiment Construction

[0121] In order to make the purpose, technical solutions and advantages of the present application, the present application will be further described in detail below with reference to the accompanying drawings. Specific operation methods in the method embodiment can also be applied to device embodiments or system embodiments.

[0122] The communication method provided by the embodiment of the present application can be used in figure 2 The scene shown.

[0123] figure 1 Three parts: Terminal, Data Network (DN) and operator networks can be included in the network architecture shown.

[0124] Wherein the carrier network may include a Policy Control Function (policy control function, PCF), data management unified (unified data management, UDM), an application function (application function, AF), access and mobility management function (access and mobility management function, AMF), session management (session management function, SMF), (radio) access network ((radio) access network, ...

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Abstract

The invention provides a communication method and device. A session management network element can send first information to a first user plane network element, and the first user plane network element can send a target data packet to a target application server through a target user plane network element according to the first information after receiving the target data packet. As the target application server is no longer limited to the application server in the data network accessed by the first user plane network element, the range of selecting the application server according to the anycast internet interconnection protocol address is expanded, and the routing path of the uplink data packet can be optimized.

Description

[0001] The present invention claims that the date of China Patent Application No. 20,2010,245910.1, the application name is "a communication method and device", and the entire disclosure is incorporated herein by reference. Technical field [0002] The present application relates to the field of communication technologies, and more particularly to a communication method and apparatus. Background technique [0003] In the current mobile communication technology, multiple application servers (Application Server, AS) with the same functionality in the core network have the same Internet Protocol, IP) address, which can be called any broadcast. IP address. For the User Equipment, UE, multiple application servers do not require a perceived deployment, only need to send uplink packets based on any broadcast IP address, follow-up by the userplane function, UPF) will correspond to arbitrary The packet of the IP address is forwarded to the application server. Among them, the user plane net...

Claims

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Application Information

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IPC IPC(8): H04L12/721H04L12/741H04L45/74
CPCH04L45/123H04L45/74H04L45/54H04L45/06
Inventor 宗在峰朱奋勤周晓云
Owner HUAWEI TECH CO LTD
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