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Method for establishing IP tunnel and device for distributing IP address

A technology of IP tunnel and IP address, which is applied in the field of network communication and can solve the problem that UE cannot communicate directly

Inactive Publication Date: 2008-05-28
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the control plane GW is separated from the user plane GW, the GW acts as the control plane GW for signaling interaction with the MN, and the user plane GW is responsible for processing service data with the UE, but the communication between the UE and the user plane GW needs to pass The control plane GW is implemented, that is, the UE cannot communicate directly with the user plane GW

Method used

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  • Method for establishing IP tunnel and device for distributing IP address
  • Method for establishing IP tunnel and device for distributing IP address
  • Method for establishing IP tunnel and device for distributing IP address

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Embodiment Construction

[0031] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, further detailed description will be given below in conjunction with the accompanying drawings.

[0032] In the embodiment of the present invention, the control plane network element returns the IP address of the user plane network element to the initiator at the request of the initiator of IP tunnel establishment. The initiator establishes an IP tunnel between the initiator and the user plane network element with the user plane network element after knowing the IP address of the user plane network element. In this way, the initiator and the user plane network element can communicate through the IP tunnel.

[0033] figure 1 It is an overall flowchart of the method for setting up an IP tunnel in the present invention, comprising the following steps:

[0034] In step 101, the initiator of establishing an IP tunnel sends a request for establishing an IP t...

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Abstract

The embodiment of the invention discloses a method to establish an internet agreement IP tunnel. The method comprises the steps that a tunnel-established initiator sends a tunnel-established request to a control face element location; the control face element location responds to the request, and sends back the IP address of a user face element location to the initiator; the initiator and the user face element location use the IP address to establish an IP tunnel between the initiator and the user face element location. Based on the method, the invention also discloses a system to establish the internet agreement IP tunnel and a device to distribute the IP address. Through the IP tunnel established between the initiator and the user face element location, the technical proposal which is provided by the invention can realize the communications between the tunnel-established initiator and the user face element location in the IP-based moving management technology.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method and system for establishing an IP tunnel and a device for distributing IP addresses. Background technique [0002] In the traditional network organization architecture, the control plane for processing signaling and the user plane for processing service data are both set on the same gateway device. As the type and quantity of business data continue to grow, the traditional gateway that integrates the user plane and the control plane has a heavy load, which is not conducive to business expansion. The 3rd Generation Partnership Project (3GPP) tends to separate the gateway user plane from the control plane based on the GTP protocol, and realizes the communication between the gateway user plane and IP nodes, and the gateway user plane exclusively processes business data. The separation of the gateway control plane and the user plane enables the control plane g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L29/08H04L12/56H04Q7/22H04W8/26
Inventor 刘丽娜王珊珊闫文俊
Owner HUAWEI TECH CO LTD
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