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Address checking method and device and network system

An address verification, network technology, applied in the field of communication, can solve the problem of unauthorized IP address occupation, network attack, etc.

Inactive Publication Date: 2010-07-21
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Embodiments of the present invention provide an address verification method, device, and network system, which are used to solve the problem that UE uses unauthorized IP addresses to occupy network resources and attack the network, improve the legality of IP addresses used for resources, and ensure network security.

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  • Address checking method and device and network system
  • Address checking method and device and network system
  • Address checking method and device and network system

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Embodiment Construction

[0037] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0038] figure 1 It is a schematic structural diagram of a 3GPP evolved network in an embodiment of the present invention, such as figure 1As shown, the evolved universal terrestrial radio access network (Evolved Universal Terrestrial Radio Access Network; hereinafter referred to as: E-UTRAN), that is, the LTE network is an evolved wireless air interface, including an evolved base station (evolved Node B; hereinafter referred to as: eNB), responsible for Dynamic allocation of wireless resources, data modulation and demodulation, etc.; Serving Gateway (hereinafter referred to as: S-GW) and Packet Data Network Gateway (hereinafter referred to as: P-GW) are evolved gateways, Responsible for bearer, establishment and control on the network side; Mobility Management Entity (Mobility Management Entity; hereinafter referred t...

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Abstract

The invention relates to address checking method and device and a network system, wherein the address checking method comprises the following steps of: acquiring a first IP address used in a first network by user equipment (UE); and checking the second IP address of the user equipment according to the first IP address, wherein the second IP address is an IP address used by the user equipment in the process of switching the first network into a second network. In the pre-registration process, the address checking method and device can check the second IP address used in the process of switching to the second network by the UE according to the first IP address after acquiring the first IP address used in the first network by the pre-registered UE to ensure the legality of the IP addresses of used network resources and improve the safety of the networks.

Description

technical field [0001] The embodiment of the present invention relates to the technical field of communication, in particular to an address verification method, device and network system. Background technique [0002] The second generation mobile communication technology (Second Generation; hereinafter referred to as: 2G) and the third generation mobile communication technology (Third Generation; hereinafter referred to as: 3G) wireless cellular network have multiple standards, for example: Global System for Mobile Communication (Global System for Mobile Communications; hereinafter referred to as: GSM), Code Division Multiple Access (Code Division Multiple Access; hereinafter referred to as: CDMA) 20001x, Universal Mobile Telecommunications System (hereinafter referred to as: UMTS) and CDMA20001x Evolution Data-Optimized ; Hereinafter referred to as: EV-DO) and so on. In order to maintain forward compatibility, the network is generally upgraded to an existing evolution vers...

Claims

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Application Information

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IPC IPC(8): H04W12/02H04L9/00
Inventor 赵洁
Owner HUAWEI TECH CO LTD
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