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Network organizing method based on multi protocol label exchange virtual private network

A multi-protocol label switching virtual technology, which is applied in the field of networking using multi-protocol label switching virtual private network gateways, can solve problems that affect existing service provision and equipment that does not have MPLS capabilities, so as to improve market competitiveness and quickly Provide and protect the effect of investment

Inactive Publication Date: 2003-04-30
SHANGHAI HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] But at present, each ISP faces the following problems when providing MPLS / BGP VPN services: If the MPLS / BGP VPN network structure is adopted, each ISP network is required to be composed of P equipment and PE equipment, so as to fully support MPLS technology and have MPLS / BGP VPN capabilities , but in fact, many ISPs currently have various technical forms of existing networks (including router networking, ATM switch networking, or Ethernet switch networking, etc.), and many original devices do not have MPLS capabilities. There are no corresponding P devices and PE devices in the network to complete the corresponding MPLS / BGP VPN functions. If these ISPs want to provide MPLS / BGP VPN services, they need to upgrade and transform the existing networks on a large scale, which will not only affect the existing services At the same time, it needs to invest a lot of money to build a large number of PE equipment to cover the user network
The above problems have seriously restricted the development and popularization of MPLS / BGP VPN services

Method used

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  • Network organizing method based on multi protocol label exchange virtual private network
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  • Network organizing method based on multi protocol label exchange virtual private network

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Embodiment Construction

[0023] Taking the application of the BGP protocol in the present invention as an example below, the present invention will be further described in conjunction with the accompanying drawings.

[0024] The essence of the method described in the present invention is based on the existing network of the ISP, with it as the data forwarding plane of the network, on which a service network is superimposed to form the service plane of the network, that is, between the existing network of the ISP and other ISPs Deploy a small number of MPLS VPN gateways at the junction of the network, make full use of the access capabilities of the existing network, and connect the user network to the MPLS VPN gateway in various ways such as physical direct connection, layer 2 or layer 3, and MPLS VPN The gateway completes all local MPLS / BGP VPN business processing and provides MPLS / BGP VPN business capabilities, so as not to modify the existing network structure, protect and reduce ISP investment, quic...

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PUM

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Abstract

A network grouping method based on the gate way of virtual private network with multiprotocol label exchange includes setting up one set or multiset of gate way for virtual private network (MPLS VPN)with multiprotocol label exchange between the network of local internet inserting service person (ISP) and one level higher ISP network or other ISP network, connecting MPLS VPN gate way with the local ISP network according to the network technical conformation, connecting MPLS VPN gate way with one level higher or other ISP network, and at the same time, connecting MPLS VPN gate way with the equipment of the client edge router (CE) in the client network, and at least invocating the corresponding functions of MPLS VPN gate way to provide MPLS VPN service.

Description

technical field [0001] The invention relates to a network construction method, in particular to a networking method using a multi-protocol label switching virtual private network (MPLS VPN) gateway. Background technique [0002] VPN (Virtual Private Network, virtual private network), is that enterprises or specific user groups use public networks (such as network resources of operators) to build their own private networks to meet their own application needs; through VPN, enterprises or specific user groups can Establish secure, reliable connections, and transfer data at low cost between its branch offices, remote users, business partners, and more. The traditional VPN network is based on IP technology, that is, IP VPN. It uses IP network facilities to emulate a private wide area network. Enterprises or specific user groups use public IP networks to build their own private networks; IP VPN is realized through some IP tunnel mechanisms, such as L2TP (Layer 2 Tunneling Protoco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L45/50
CPCH04L45/04H04L12/4633H04L45/502
Inventor 薛国锋
Owner SHANGHAI HUAWEI TECH CO LTD
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