Multi-Route Network Diagnostics for Route Reconstruction Timing
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Solution Overview
Problem
Existing network diagnosis techniques for mesh structures are inefficient and fail to effectively determine the time required for route reconstruction and performance changes due to failures, leading to potential information transmission interruptions and difficulty in assessing redundancy and congestion.
Innovation Solution
A diagnostic system that transmits multiple frames through independent routes, measures their arrival times using a timer, and reconstructs network routes to diagnose the time required for failure recovery and performance changes, utilizing a diagnostic apparatus to analyze pre- and post-failure arrival times.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If ring topology is used to provide redundant communication routes, then information transmission continuity is improved, but propagation delay time period increases and system construction freedom decreases
Solution Approach 1:
The patent applies preliminary action by pre-configuring multiple independent routes before failure occurs. The transmission node proactively sends test frames through all available routes in advance, so when a failure occurs, the system already has pre-measured timing data and can quickly switch to an alternative route without experiencing propagation delays during the decision-making process.
Solution Approach 2:
The patent segments the network into multiple independent transmission routes between the transmission node and reception node. Instead of using a single ring topology that forces all traffic through a fixed path, the system divides communication paths into separate segments that can be independently tested and switched, eliminating the propagation delay inherent in ring topologies.
2Adaptability or versatility
If mesh structure topology is used to provide route redundancy, then system construction freedom is improved, but difficulty in diagnosing route reconstruction time and performance increases
Solution Approach 1:
The patent implements feedback by having the reception node measure and report back the arrival times of test frames received from the transmission node. This feedback mechanism provides real-time data on route performance and reconstruction time, making it possible to diagnose mesh network behavior despite its complexity. The reception node sends measurement results to a diagnostic device, enabling continuous monitoring of route reconstruction effectiveness.
Solution Approach 2:
The patent introduces an intermediary diagnostic device that collects and analyzes timing data from multiple routes in the mesh network. This intermediary component simplifies the diagnosis process by centralizing the analysis of route reconstruction time and performance, rather than requiring direct monitoring of complex mesh topology interactions.
3Measurement precision
If multiple frames are transmitted through multiple routes to diagnose network performance, then diagnosis accuracy is improved, but device complexity increases
Solution Approach 1:
The patent applies homogeneity by using identical test frames with the same content and structure for transmission through all routes. This standardized approach simplifies the diagnosis system because the same measurement and comparison methods can be applied uniformly across all routes, reducing the complexity that would arise from handling different frame types or formats.
Data Source
AI summary
A diagnostic system for a network includes the transmission node transmitting plural frames destined for the same reception node through the plural routes regardless of whether or not a failure has occurred in part of the plural routes the reception node performing measurement of respective arrival times of the plural frames received from the same transmission node on the basis of a timer and notifying the diagnostic apparatus of a result of the measurement and the diagnostic apparatus making, on the basis of the result of the measurement, a diagnosis of: a time period required for reconstruction of a communication route in the network upon occurrence of the failure; and performance of the network after the reconstruction.