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Data migration method and device

A technology of data and data packets, which is applied in the field of communication and can solve problems such as data loss

Pending Publication Date: 2021-06-01
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the problem of data loss caused by Ethernet data connection migration in the related art, the present invention provides a data migration method and device

Method used

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Embodiment Construction

[0069] Embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0070] In order to enhance the flexibility and scalability of the network, functional items in the EPC are usually decomposed into control plane gateways and user plane gateways. Among them, the user plane gateway is mainly used for processing data packets; the control plane gateway is mainly used to define the processing action of the user plane gateway for data packets, and the processing rule (rule) for the control plane gateway to send data packets to the user plane gateway. When the data packet arrives at the user plane gateway, the user plane gateway processes the data packet accordingly according to the forwarding rule issued by the control plane gateway, thereby completing the processing and sending of the terminal data packet.

[0071] Fig. 1 is a schematic diagram of a scenario application provided in an embodiment of the present invention. As shown in...

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Abstract

The invention relates to a data migration method and device, which are applied to a scene that a user plane gateway for terminal communication is switched from a source user plane gateway to a target user plane gateway. The target user plane gateway receives an address of a terminal sent by a control plane gateway, the target user plane gateway acquires an Ethernet data packet according to the address of the terminal. And the target user plane gateway sends the Ethernet data packet to an Ethernet interface, so that a switch obtains the Ethernet data packet through the Ethernet interface, and updates an MAC address table according to the Ethernet data packet. In this way, the switch updates the MAC address table in time, the switch can send the downlink data needing to be sent to the terminal through the correct port according to the updated MAC address table, and the downlink data sent to the terminal can be effectively prevented from being lost.

Description

technical field [0001] Embodiments of the present invention relate to the field of communication technologies, and in particular, to a data migration method and device. Background technique [0002] In the process of sending and receiving Ethernet-type data by the terminal through a mobile network such as 4G or 5G, it is necessary to receive and forward the data through a corresponding Ethernet switch. Such as Figure 1a As shown, the Ethernet switch is a switch that transmits data based on the Ethernet address. Each port of the Ethernet switch is directly connected to the host, and generally works in full-duplex mode. The switch can connect many pairs of ports at the same time, so that each pair of hosts that communicate with each other can transmit data without conflict as if they monopolize the communication medium. [0003] When the Ethernet switch receives an Ethernet frame that needs to be forwarded, it searches the MAC address table according to the destination Media...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/04H04W88/16H04L29/12H04L45/74
CPCH04W28/04H04W88/16H04L61/103H04L61/5069H04L2101/622H04W36/00695H04W36/12H04W8/26H04W88/14H04L45/74H04L49/25H04L49/351H04W36/10
Inventor 时晓岩朱强华
Owner HUAWEI TECH CO LTD
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