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Communication method, device and equipment for two-layer virtual private network

A layer-2 virtual and private network technology, applied in the field of network communication, can solve problems such as the inability of user edge devices to achieve intercommunication

Active Publication Date: 2012-06-27
BEIJING ZHIGU TECH SERVICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Embodiments of the present invention provide a communication method, device, and equipment for a layer-2 virtual private network, which are used to solve the problem of the two sides of the existing layer-2 virtual private The problem that user edge devices cannot communicate with each other

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  • Communication method, device and equipment for two-layer virtual private network
  • Communication method, device and equipment for two-layer virtual private network
  • Communication method, device and equipment for two-layer virtual private network

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Embodiment Construction

[0024] The specific implementation manners of a layer 2 virtual private network communication method, device and switch provided by the embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0025] In the communication method of the two-layer virtual private network provided by the embodiment of the present invention, such as figure 2 The network topology implementation, figure 2 Among them, the first operator's edge device PE1 forms a layer-2 virtual private network with the second operator's edge device PE2 through a pseudo-wire forwarding node S-PE, and the user edge device CE1 at site A is connected to PE1 through an access circuit. B's customer edge device CE2 is connected to PE2 through an access circuit, where PE1 uses the first network protocol such as the Border Gateway Protocol BGP, and PE2 uses the second network protocol such as the label distribution protocol LDP; or, PE1 uses the LDP protocol, PE2 ...

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PUM

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Abstract

The invention discloses a communication method, a communication device and equipment for a two-layer virtual private network. In the invention, the method comprises the following steps of: receiving a first control signaling sent by first operator edge equipment in the two-layer virtual private network, and determining a first type protocol to which the first control signaling belongs; and sending a second control signaling, corresponding to the first control signaling and in a second type protocol corresponding to the first type protocol, to second operator edge equipment in the two-layer virtual private network according to the determined first type protocol. In the invention, under the condition that the two sets of operator edge equipment in the two-layer virtual private network adoptdifferent network protocols, the communication between control planes of the two sets of operator edge equipment is realized.

Description

technical field [0001] The invention relates to the field of network communication, in particular to a communication method, device and equipment of a two-layer virtual private network. Background technique [0002] There are currently three types of Layer 2 Virtual Private Network (L2VPN) technologies: Virtual Private Wire (Virtual Private Wirle Service, VPWS), Virtual Private LAN Service (VPLS) and IP-Only LAN Service (IPLS) , in which point-to-point L2VPN is a virtual private line technology that establishes an end-to-end pseudowire (Pseudo Wire, PW) or virtual circuit (Virtual Circuit, VC) between two provider edge devices (Provider Edge, PE), providing IP-based / The Layer 2 Virtual Private Network (Virtual Private Network, VPN) service of the Multi-Protocol Label Switching (MPLS) network enables operators to simulate Layer 2 services of different media on the MPLS network, including asynchronous transfer mode ( Asynchronous Transfer Mode, ATM), Frame Relay (Frame Relay...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L12/56H04L29/06H04L45/50
Inventor 曹玉群
Owner BEIJING ZHIGU TECH SERVICE