Prediction-based service function chain fault detection method

A service function chain and fault detection technology, applied in the field of communication, can solve the problems of ignoring the adverse effects of continuous performance degradation, abnormal VNF node performance, and adverse network timeliness requirements, etc., to achieve high application value and ensure timeliness effects.

Active Publication Date: 2020-08-11
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0005] Most of the existing fault detection methods are based on the reaction mechanism, but this mechanism is difficult to avoid the inherent delay of the reaction, which is not conducive to the timeliness requirements of the network; most methods do not consider the degradation of network service quality, and ignore the continuous performance degradation Adverse impact on the network; without con

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[0043] The following describes the implementation of the present invention through specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the illustrations provided in the following embodiments only illustrate the basic concept of the present invention in a schematic manner. In the case of no conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0044] See Figure 1 ~ Figure 4 , figure 1 It is a schematic diagram of a scenario where the present invention can be implemented. See figure 1 , The appl...

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Abstract

The invention relates to a prediction-based service function chain fault detection method, and belongs to the technical field of communication. The method comprises the following steps: firstly, according to performance correlation between virtual network functions of a service function chain in a virtual network environment, collecting data in a manner of monitoring performance data of each virtual network function on the whole service function chain, and dividing the working state of the service function chain; secondly, considering high-dimensional complexity and time-related characteristics of network monitoring data, combining with initiative requirements of fault detection, adopting a gating circulation unit network to detect faults, and predicting health conditions of the network byanalyzing historical performance data information of a service function chain; and finally, introducing transfer learning to accelerate the convergence rate of the model by utilizing the similarity of virtual network function nodes among different service function chains. According to the invention, the fault can be effectively detected while the fault detection time requirement is met.

Description

technical field [0001] The invention belongs to the technical field of communication, and relates to a service function chain fault detection method based on prediction. Background technique [0002] The arrival of 5G will bring about a change across the ages. 5G networks will provide differentiated business scenarios and customized network services for people's diverse service needs. The existing network architecture is mainly oriented to human-to-human communication, and it is difficult to support emerging services such as the Internet of Things and the Internet of Vehicles that require large-scale machine communication. Therefore, 5G regards network slicing as an ideal network architecture as the key to solving the above problems. The 5G network slicing architecture based on SDN and NFV can be flexibly arranged according to user needs and allocate resources dynamically and efficiently. NFV technology decouples the hardware and software of traditional networks, and imple...

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Application Information

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IPC IPC(8): H04L12/26H04L12/24G06F9/455
CPCH04L43/0817H04L41/50H04L41/145H04L41/0893G06F9/45558G06F2009/45591H04L43/55
Inventor 唐伦廖皓贺兰钦胡彦娟陈前斌
Owner CHONGQING UNIV OF POSTS & TELECOMM
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