Link fault detection method based on network flow

A technology for link faults and network traffic, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve problems such as increased manual load, inability to mirror traffic, doping testers' subjectivity, professionalism, etc., and achieve improvement Objectivity and accuracy, reduced supervisory influence, reduced subjectivity, and workload effects

Active Publication Date: 2020-05-19
SICHUAN XW BANK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology allows firewalls or similar devices to monitor their networks automatically during times when they are being used with them instead of manually checking if there're any issues that might occur beforehand. By analyzing this monitoring logs from these systems, we found out how well the system works even after multiple attempts were made over its entire life cycle. Additionally, our technique uses scripts written into specific hardware components called routers to capture all relevant packets sent through each device while still maintaining high efficiency. Overall, this technology helps organizations save money and make better use of resources more efficiently.

Problems solved by technology

The technical problem addressed in this patented technology relating to current networks' monitoring systems involves being able to detect and identify any issues that may occur during normal operation without requiring expensive infrastructure or human resources. Current solutions require specialized hardware components like routers and firewalls, making them difficult to use by people who want to test their own system remotely instead of relying solely upon trained staff members.

Method used

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  • Link fault detection method based on network flow
  • Link fault detection method based on network flow

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Embodiment Construction

[0017] Such as figure 1 The shown link fault detection method based on network traffic of the present invention includes:

[0018] A. For non-switch network devices (firewall, IPS and other devices), set the second as the unit to obtain the survival status of the link in real time, including but not limited to PING detection, ARP detection, interface detection, etc., to obtain whether the link is alive status situation.

[0019] B. Take 15 seconds as the unit time, capture and save the traffic packets in real time for the traffic passing through the device per unit time. If the link does not fail within 8 units of time, delete the traffic packets saved 8 units of time before the current time to save storage space and ensure data cleanliness.

[0020] If a link failure occurs, the data packets within the unit time of the failure are saved, and the data packets within the 4 unit time before the unit time of the failure and the data packets within the following 4 unit time are res

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Abstract

The invention relates to a link fault detection method based on network flow. The method comprises the following steps: A, acquiring the survival state of a link in real time; B, capturing a flow packet of the flow passing through the equipment in real time: if a link fault occurs, storing the flow packet in a time period related to the link fault; C, performing fault analysis according to the keyinformation packet in the flow packet in the fault related time period, and displaying a fault reason. According to the method, the real-time network link fault detection and analysis can be carriedout on non-switch network equipment, no other special equipment needs to be added, and real-time acquisition of the flow can be achieved only by compiling script files for the equipment, so the detection cost and subjectivity and workload of manual detection are effectively reduced; reasons for faults can be traced in the future, and root cause analysis can be conducted on the data.

Description

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Claims

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Application Information

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Owner SICHUAN XW BANK CO LTD
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