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Method for providing virtual private network service, device and system

A virtual private network and service technology, applied in the field of providing virtual private network services, can solve problems such as unsatisfactory

Active Publication Date: 2012-05-30
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the process of research and practice of the prior art, the inventor of the present invention found that if there are new sites to open VPN services, the above-mentioned tedious VPN service opening process needs to be re-executed, but with the rapid development of information technology, customers Basic network operators are required to quickly connect new sites to VPN, but existing technologies cannot meet this demand

Method used

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  • Method for providing virtual private network service, device and system
  • Method for providing virtual private network service, device and system
  • Method for providing virtual private network service, device and system

Examples

Experimental program
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Embodiment 1

[0028] Embodiment 1, please refer to figure 1 One embodiment of the method for providing a virtual private network service in the embodiment of the present invention includes:

[0029] 101. Receive a request message sent by the access device;

[0030] Before the basic network operator provides VPN services to the site, the basic network operator must complete the network connectivity configuration and network tunnel configuration of all access devices in the basic network. For example, an Open Shortest Path First (OSPF, Open Shortest Path First) routing protocol is configured in the network domain, an MPLS tunnel is configured on the access device, and BGP is configured to enable the VPN technology.

[0031] When a site needs to access the VPN, that is, when the site needs to open a VPN service, the access device will receive a request message from the site requesting to access the VPN, and the request message carries authentication information, and the access device sends th...

Embodiment 3

[0058] The method for providing a virtual private network service in the embodiment of the present invention is described above from the perspective of a backend device, and the method for providing a virtual private network service in an embodiment of the present invention is described below from the perspective of an access device. Embodiment three, please refer to image 3 Another embodiment of the method for providing a virtual private network service in the embodiment of the present invention includes:

[0059] In this embodiment, the VPLS service provided by the basic network operator is still taken as an example.

[0060] 301. Receive a request message;

[0061] When a site in the network wants to access VPLS, the site runs the 802.1x client installed on the edge device at the site and sends a request message carrying authentication information to the access device. When the access device receives the request message, it is equivalent to The information that the stati...

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PUM

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Abstract

An embodiment of the invention provides a method for providing a virtual private network (VPN) service, a corresponding device and a corresponding system. In the embodiment, a flow executed by a back-end device is as follows: carrying out authentication on a request message that a site requests access to a VPN, globally distributing a VPN configuration parameter of an access device after pass of the authentication, and distributing the VPN configuration parameter to the access device. Thus no hand operation is needed in a whole flow, automatic distribution of the configuration parameter to the access device can be realized, and the access device can rapidly access the site to the VPN.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method, device and system for providing virtual private network services. Background technique [0002] A virtual private network (VPN, Virtual Private Network) is defined as providing multiple logical networks on an existing single physical network. These logical networks are isolated from each other, and data traffic in one logical network will not enter another logical network. At present, many basic network operators can provide VPN services. Usually, these basic network operators provide customers with Layer 2 VPN services (VPLS services) based on virtual private local area network services (VPLS, Virtual Private LAN Service) and border gateway-based services. Protocol (BGP, Border Gateway Protocol) and multi-protocol label switching (MPLS, Multi-Protocol Label Switching) three-layer VPN service (abbreviated as BGP / MPLS three-layer VPN service), in the prior...

Claims

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Application Information

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IPC IPC(8): H04L12/46H04L29/06
CPCH04L63/08H04L63/0272
Inventor 雷文阳
Owner HUAWEI TECH CO LTD