A kind of network fault detection method and device
A technology of network faults and detection methods, applied in the field of communications, can solve the problems of inaccurate detection results and failure to detect faults
Active Publication Date: 2021-06-01
HUAWEI TECH CO LTD
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On the other hand, in some fault scenarios, only service packets (specific length, specific load) that meet certain conditions will be affected by network faults, and detection packets for network fault detection will not be affected, then It will cause inaccurate detection results, or even failure to detect faults
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[0051] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0052] The technical solutions of the embodiments of the present invention are applicable to various networks based on NFV (Network Function Virtualization, network function virtualization) systems, for example, may be applicable to a data center network, an operator network or a local area network. figure 1 A schematic diagram of a NFV system architecture is shown, including OSS / BSS (Operation-Support System / Business Support System, business support management syst...
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The invention discloses a network fault detection method. The network fault detection device acquires a plurality of faulty link information, the faulty link information includes the link identification information of the faulty link, and according to the link identification information, determines the faulty network corresponding to each faulty link information The network path of the link, the network path includes each network node on the failed network link or the transmission path between each network node, by counting the network paths corresponding to the plurality of failed link information The overlapping times of the network nodes or the overlapping times of the transmission paths determine the faulty network nodes or transmission paths in the network. The present invention can determine fault nodes or transmission paths in the network without relying on the detection capability of the network nodes themselves, reduces the load of the network and network nodes, and improves the accuracy of fault detection results.
Description
technical field [0001] The present invention relates to the technical field of communication, in particular to a network fault detection method and device. Background technique [0002] With the development of network technology, people have higher and higher requirements for network transmission quality. Network faults often seriously affect the quality of network transmission, so how to discover and eliminate network faults in time has become an important issue to ensure the quality of network transmission. For the detection of network faults, the current general solution is to detect faults through detection packets. This method needs to rely on the fault detection function supported by network nodes (servers, switches, routers, etc.), and has higher requirements for network nodes. . On the other hand, in some fault scenarios, only service packets (specific length, specific load) that meet certain conditions will be affected by network faults, and detection packets for ...
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IPC IPC(8): H04L12/24
CPCH04L41/0677
Inventor 王骅
Owner HUAWEI TECH CO LTD