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Method and system for realizing mobile VPN service in hybrid network

A hybrid network, network technology, applied in the field of network communication

Inactive Publication Date: 2007-09-26
HUAWEI TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0022] The purpose of the present invention is to provide a method and system for implementing mobile VPN in a mixed network, so as to solve the application problem of mobile VPN under the corresponding IPv4 and IPv6 mixed network, so that in the existing network scene, based on the IPv6 network to carry out VPN business made possible

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  • Method and system for realizing mobile VPN service in hybrid network
  • Method and system for realizing mobile VPN service in hybrid network
  • Method and system for realizing mobile VPN service in hybrid network

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Embodiment Construction

[0098] With the development of network communication technology, in the development process of IPv6 network replacing IPv4 network, due to the wide application of existing IPv4 network, the IPv4-v6 hybrid network based on "IPv6 island" and "IPv4 ocean" will be in a period of time. long-term existence.

[0099] The main purpose of the present invention is to provide a network structure of mobile VPN under the mixed network of IPv4-v6 and corresponding equipment functional requirements, as well as the mode for mobile nodes to access VPN in different types of networks, thereby solving the problem of mobile nodes between different types of networks. When switching, the SA address of the mobile node is updated.

[0100] The present invention takes the IPv4-v6 mixed network of "IPv6 isolated island" and "IPv4 ocean" as the basic network framework, solves the SA address update problem of mobile nodes by introducing the MOBIKE extension protocol; and uses IPv6 in IPv4 tunnel technolog...

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Abstract

The related method for mobile VPN in mixed network comprises: in a mixed network with IPv4 and IPv6, setting a VPN gateway to provide the inner interface with IPv6 address and the outer interface with IPv4 address; firstly, building the channel to transmit VPN message between external network and inner IPv6 network, the channel with end address as the IPv4 address of external network and IPv4 address provided by VPN gateway; then, packing IPv4 head on the VPN message to transmit through the channel. This invention makes good use of IPv6-in-IPv4 channel technology, and uses the mixed network to realize mobile VPN business.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a technology for realizing mobile VPN. Background technique [0002] Mobile VPN (Virtual Private Network) is a new VPN solution combining traditional VPN and mobile technology. The MN (Mobile Node) inside the VPN supports communication with the VPN internal nodes by establishing a tunnel with the VPN gateway on the external network. IPsec VPN (IP Network Security Protocol VPN) adopts IPsec (IP Network Security Protocol) as the security guarantee of tunnel technology to realize VPN, so as to provide good security for the communication nodes at both ends of the tunnel in the IP network, thereby ensuring the security of VPN services sex. IPsec VPN combined with standard mobile IPv4 protocol provides the basic framework of mobile VPN. [0003] In a pure IPv4 network environment, when a typical IPsec VPN is combined with MIPv4 (Mobile IPv4), there will be the followin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L12/56H04L29/06
CPCH04W80/045H04W12/02H04W12/00H04L63/0272H04W12/03
Inventor 张宏科程钢郑彬张晖
Owner HUAWEI TECH CO LTD
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