Tag-Based Network Troubleshooting for Root Cause Detection

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Solution Overview

Problem

Existing communication systems struggle to pinpoint the root cause of network performance degradation, leading to inefficiencies and disruptions.

Innovation Solution

A troubleshooting system that utilizes tagging modules and a tag analyzer to associate tags with network entities based on telemetry data, enabling identification of network issues and providing recommendations for resolution.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of time

If traditional network monitoring methods are used, then network traffic can be observed, but root cause identification is inefficient and time-consuming

Engineering Contradiction:
Improvetime to identify root causeVSAvoidtroubleshooting efficiency
Core Design Contradiction:
Loss of timeVSProductivity

Solution Approach 1:

The patent segments network issues into distinct tagged categories (performance tags, connectivity tags, security tags, etc.) that can be independently identified and analyzed. This segmentation allows the system to break down complex network problems into manageable, taggable units that can be quickly correlated to identify root causes, thereby reducing troubleshooting time and improving efficiency.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces tags as an intermediary layer between raw network telemetry data and root cause analysis. These tags serve as mediators that categorize and structure network issues, enabling efficient correlation and analysis. The tag-based intermediary system transforms unstructured network data into organized, searchable information that accelerates root cause identification.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Measurement precision

If comprehensive network monitoring is implemented, then network performance can be tracked, but pinpointing the specific root cause becomes difficult

Engineering Contradiction:
Improveroot cause identification accuracyVSAvoidclarity of root cause
Core Design Contradiction:
Measurement precisionVSLoss of information

Solution Approach 1:

The patent applies local quality by assigning specific tags to different aspects of network entities based on their local characteristics and issues. Each network entity (device, link, service) receives customized tags that reflect its specific performance metrics, connectivity status, security posture, and other localized attributes. This localized tagging approach enables precise root cause identification by highlighting specific quality issues at each network point.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The patent uses visual tagging analogous to color changes, where different tag types and priorities visually distinguish various network issues. The system categorizes tags by type (performance, connectivity, security) and priority levels, creating a visual language that quickly communicates the nature and severity of root causes. This tagging visualization transforms complex network data into easily interpretable information.

Inventive Principle:
Principle #32Color changes

3Ease of operation

If manual troubleshooting processes are used, then detailed analysis is possible, but the process is complex and time-consuming

Engineering Contradiction:
Improvetroubleshooting process simplicityVSAvoidtroubleshooting duration
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The patent implements self-service troubleshooting through automated tag generation, correlation, and analysis. The system automatically collects network telemetry data, generates appropriate tags, correlates tags across network entities, and identifies root causes without requiring manual intervention. This automation simplifies the troubleshooting process while maintaining comprehensive analysis, thereby reducing both complexity and time requirements.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent transforms troubleshooting from a manual process to an automated one by changing the operational parameters of the system. The introduction of structured tags with defined types, priorities, and correlations fundamentally alters how troubleshooting is performed, enabling automated analysis that is both simpler and faster than manual methods while preserving diagnostic depth.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS20250310177A1Tag-Based Network-Wide Troubleshooting
Publication Date: 2025.10.02 ARISTA NETWORKS INC
  • US20250310177A1 patent drawing
  • US20250310177A1 patent drawing
  • US20250310177A1 patent drawing

AI summary

A network troubleshooting system may include one or more tagging modules configured to associate tags with various network entities. The tags may identify issues experienced or exhibited by the tagged network entity and/or may provide contextual information for the tagged network entity. The network troubleshooting system may include a tag analyzer that correlates the various tags and the associated network entities to identify causes or generally facilitate the mitigation of the issues.