Multipath Routing Link Selection Using BER and DOM Quality
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Solution Overview
Problem
Existing load-balancing techniques fail to effectively distribute network traffic across multiple paths based on link quality, leading to potential interruptions and reduced network performance due to concentration on particular paths.
Innovation Solution
A system that selects network links for data transmission based on link quality metrics such as Bit Error Rate (BER) and Digital Optical Monitoring (DOM) information, using a link analyzer to assess and prioritize links with higher reliability, thereby minimizing disruptions and optimizing traffic distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If load balancing distributes traffic across multiple paths, then network reliability improves, but existing techniques fail to efficiently distribute traffic leading to concentration on particular paths
Solution Approach 1:
The system performs preliminary link quality assessment by evaluating metrics such as Bit Error Rate (BER) and Digital Optical Monitoring (DOM) before routing decisions are made. This preliminary evaluation enables proactive selection of high-quality links and prevents traffic concentration on degraded paths, resolving the contradiction between reliability and traffic distribution efficiency.
Solution Approach 2:
The system continuously monitors link quality metrics and uses this feedback to dynamically adjust routing decisions. By real-time evaluation of BER and DOM values, the system can redistribute traffic away from deteriorating links and toward healthier paths, maintaining both reliability and efficient traffic distribution.
2Ease of operation
If traffic is concentrated on particular paths, then routing simplicity is maintained, but network interruptions occur due to lack of distribution
Solution Approach 1:
The system changes the parameter basis for routing decisions from simple shortest-path algorithms to quality-aware routing that incorporates BER and DOM metrics. This parameter transformation enables the system to maintain routing automation while distributing traffic based on actual link quality, preventing interruptions without complicating operation.
3Device complexity
If link quality is not considered in routing, then routing decisions are simpler, but transmission quality deteriorates due to concentration on particular paths
Solution Approach 1:
The system performs preliminary assessment of link quality parameters (BER, DOM) before making routing decisions. This preliminary action provides the necessary quality information without complicating the routing decision process, as the evaluation is performed in advance and integrated into the selection criteria automatically.
Data Source
AI summary
In various examples, one or more network links for transmitting data in a network may be selected based at least in part on a quality associated with the one or more network links. Link quality information associated with a plurality of links may be accessed and analyzed to determine which links to use for transmitting data. Link quality may be evaluated in combination with other link attributes to proactively select network links to minimize network disruption in the event of network equipment failure.