Dynamic Link Management for High-Speed Backplane Systems
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional link management in high-speed networking devices is error-prone, power wasteful, and lacks dynamic control, as it relies on static configuration parameters and lacks systematic procedures for initialization, shutdown, and handling hardware changes.
Innovation Solution
A link management system that dynamically manages link parameters by using codebooks to calculate optimized configuration data, selectively disabling inactive links, and updating parameters based on monitored changes, reducing power consumption and enabling efficient handling of hardware changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If static configuration parameters are used for all links, then device complexity is reduced, but link management reliability deteriorates due to error-prone initialization and inability to handle hardware changes
Solution Approach 1:
The patent transforms static configuration parameters into dynamic link profiles that can be automatically adjusted. The system continuously monitors link status and hardware changes, then dynamically updates configuration parameters through automated algorithms, eliminating manual reconfiguration needs while improving reliability.
Solution Approach 2:
The system implements feedback mechanisms where link status information and hardware change detections are fed back to the configuration management system. This enables automatic adjustment of configuration parameters based on actual link performance and hardware state, resolving the reliability issue without increasing operational complexity.
2Productivity
If all links are initialized and powered up, then system readiness is improved, but energy consumption increases due to unused links remaining active
Solution Approach 1:
The system performs preliminary identification of active links through monitoring mechanisms before full initialization. By detecting which links are actually in use based on traffic patterns and hardware state, the system can selectively initialize only those links, reducing power consumption while ensuring system readiness for active connections.
Solution Approach 2:
The patent changes the power state parameter from a uniform 'all links on' approach to a dynamic state where links are powered up or down based on actual usage. The system adjusts power consumption by selectively enabling only the subset of links required for current operational needs, maintaining productivity while reducing energy waste.
3Ease of operation
If conventional link initialization is used, then ease of operation is maintained, but loss of time increases due to tedious manual configuration and frequent reconfiguration
Solution Approach 1:
The system implements self-service initialization where the link management system automatically configures parameters without manual intervention. The automated algorithms detect hardware changes, monitor link status, and adjust configurations independently, eliminating tedious manual setup while maintaining operational simplicity through transparent automated management.
Solution Approach 2:
The system performs preliminary configuration setup during system initialization or hardware insertion, eliminating the need for subsequent manual configuration. By completing setup actions in advance through automated detection and configuration, the system reduces the time loss associated with manual initialization while keeping the user interface simple.
4Device complexity
If static configuration is used, then device complexity is reduced, but adaptability deteriorates when hardware changes occur requiring frequent reconfiguration
Solution Approach 1:
The system implements feedback loops that continuously monitor hardware state and link status. When hardware changes are detected, the feedback mechanism automatically triggers configuration updates through automated algorithms, providing adaptability to hardware changes without requiring manual reconfiguration or increasing operational complexity.
Solution Approach 2:
The patent transforms the static configuration system into a dynamic one where configuration parameters automatically adapt to hardware changes. The system monitors for hardware modifications and dynamically adjusts link profiles and configuration parameters through automated processes, achieving versatility while maintaining manageable complexity through centralized automated management.
Data Source
AI summary
A system includes a plurality of modules, a backplane communicatively coupled to the plurality of modules, a plurality of links defined between the plurality of modules over the backplane, and a link management system configured to dynamically manage parameters associated with each of the plurality of links. A link management method includes, for a system, defining a codebook for each module, device, and interconnect in the system, the codebook includes data describing physical link topologies and configuration parameters associated therewith, for initializing a link in the system, obtaining appropriate codebooks for each segment in the link, calculating an overall link loss for the link based on data in the appropriate codebooks, and obtaining configuration parameters for the link based on the overall link loss.