Network failure detection interlock method

A technology for network faults and failures, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve the problem of low reliability of data forwarding, and achieve the effect of strong scalability and compatibility

Active Publication Date: 2010-09-29
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The problem to be solved by the present invention is to provide a network fault detection linkage method to solve the defect that the fault detection and protection switching mechanism in the prior art can only be aimed at a certain node, link or section, resulting in low reliability of data forwarding

Method used

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Examples

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Embodiment Construction

[0039] Example of a network fault detection linkage method in MPLS VPN according to the present invention image 3 shown, including the following steps:

[0040] In step s301, a network defect detection mechanism is adopted in both the private network side area and the public network side area of ​​the MPLS VPN to detect node, link or forwarding faults in the local area. Wherein, the defect detection mechanism of the link layer, the defect detection mechanism of the network layer, the defect detection mechanism of the MPLS control layer or the detection mechanism of the forwarding layer can be adopted, and two or more defect detection mechanisms can be adopted. The defect detection mechanism includes but is not limited to the above defect detection mechanism.

[0041] In step s302, the edge device of the network operator detects that a network fault occurs in the public network side area or the private network side area.

[0042] Step s303, judging whether the network fault ...

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Abstract

The invention relates to a method for checking the network accidence, wherein it comprises that: edge device of network operator checks the public network / private network; if there is accidence, judging if the accidence affects the data transmission, if it affects, informing the private / public network about the network accidence. The invention also provides a relative edge device at MPLS VPN. Andthe invention couples the accidence check and protective switch. The invention can use the defect check mechanism of chain layer, the defect check mechanism of network layer, the defect check mechanism of MPLS control layer, the check mechanism of transfer layer, or their combination.

Description

technical field [0001] The invention relates to the technical field of network fault detection, in particular to a network fault detection linkage method. Background technique [0002] In the operator's network, with the widespread application of MPLS (Multiprotocol Label Switching, Multiprotocol Label Switching) VPN (Virtual Private Network, virtual private network), the reliability requirements for the MPLS VPN are getting higher and higher. In the MPLS network, MPLS VPN provides users with VPN virtual private switching network functions through MPLS technology, mainly including MPLS Layer 3 VPN and MPLS Layer 2 VPN. The MPLS VPN network can be divided into two areas: the MPLS VPN public network side area and the MPLS VPN private network side area. The MPLS VPN public network side area is the network area where the MPLS VPN function is enabled, including PE (Provide Edge, provider Edge device) and P (provider device) and the network formed by these devices, this area main...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/26H04L12/24H04L29/06
Inventor 王锋
Owner NEW H3C TECH CO LTD
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