Tandem Connection Monitoring Fault Dependency Processing
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Solution Overview
Problem
In Optical Transport Networks (OTNs), the current Tandem Connection Monitoring (TCM) methods generate a 'warning storm' due to overlapping fault reports from different levels of TCM, leading to inefficient fault location and increased communication bandwidth consumption, as each level reports independently and cannot suppress warnings effectively.
Innovation Solution
A method and apparatus for processing fault dependency in TCM, which involves obtaining monitored coverage scopes and performance degradation information from different levels of TCM, locating fault sections based on overlapping relationships, and outputting location-related information to users, thereby reducing the time and effort required for fault location.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If each level of TCM reports warning information independently, then the monitoring coverage is comprehensive, but the warning storm increases communication bandwidth consumption and decreases operation efficiency
Solution Approach 1:
The patent merges warning information from multiple TCM levels by analyzing overlapping coverage scopes. When warnings occur at multiple levels, the system combines these warnings and identifies the common fault section, thereby reducing redundant warning transmissions and lowering communication bandwidth consumption while maintaining comprehensive monitoring coverage.
Solution Approach 2:
The patent introduces an intermediary processing mechanism that receives warnings from different TCM levels, analyzes their coverage scope overlaps, and generates consolidated fault location information. This intermediary layer filters and processes the warning storm before transmission, reducing the overall communication load.
2Reliability
If each level of TCM reports warning information independently, then the monitoring coverage is comprehensive, but the fault location time increases
Solution Approach 1:
The patent performs preliminary analysis of the coverage scope overlaps between different TCM levels in advance. By pre-establishing the relationships between monitoring scopes of various levels, the system can quickly locate fault sections when warnings occur, without requiring time-consuming analysis during actual fault events.
Solution Approach 2:
The intermediary processing mechanism pre-processes and stores the coverage scope relationships, enabling rapid fault location when warnings are generated. This intermediary layer provides ready-to-use reference information that accelerates the fault location process while maintaining comprehensive monitoring coverage.
3Productivity
If dependency analysis is performed to suppress warnings, then the operation efficiency improves, but the device complexity increases
Solution Approach 1:
The patent segments the warning processing function into distinct modules: coverage scope management, warning reception, overlap analysis, and fault location. This segmentation allows each module to perform a specific task independently, making the overall complex process more manageable and maintainable while improving operational efficiency.
Solution Approach 2:
The patent changes the processing approach from handling individual warnings to analyzing coverage scope parameters and their overlaps. By focusing on the structural parameters of monitoring coverage rather than individual warning contents, the system reduces processing complexity while maintaining high operational efficiency.
Data Source
AI summary
A method for processing fault dependency of different levels of tandem connection monitoring is provided. The method comprises obtaining monitored coverage scopes of the different levels of tandem connection monitoring (TCM); locating a fault section according to an overlapping relationship between monitored coverage scopes of the at least two different levels of TCM at which the warnings are reported and performance degradation degrees of the at least two different levels of TCM, the fault section being located when warnings are reported in at least two different levels of TCM; and outputting location-related information that includes information of the fault section to a user.