Network Link Rate Policy Management for Power Optimization
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Solution Overview
Problem
Information handling systems face challenges in efficiently managing network connections and optimizing data rates to balance performance and power consumption, particularly in varying network traffic conditions.
Innovation Solution
A network link management system that includes a link manager and link control logic module, which monitors current usage rates and adjusts data rates based on predefined link rate policies to optimize performance and reduce power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If data rate is increased to improve network performance, then network throughput is improved, but power consumption increases
Solution Approach 1:
The patent implements dynamic data rate adjustment by monitoring network traffic conditions and automatically changing the link data rate between different speeds (e.g., 100 Mbps, 1 Gbps, 2.5 Gbps). The link manager continuously adapts the operating speed based on current traffic demands, allowing the system to optimize between performance and power consumption in real-time rather than using a fixed data rate.
Solution Approach 2:
The system changes the operational parameters of the network link by adjusting the data rate according to traffic conditions. The link policy defines different data rate thresholds and corresponding actions, enabling the system to transition between power-saving low-speed mode and high-performance high-speed mode based on monitored network usage patterns.
2Loss of energy
If data rate is decreased to reduce power consumption, then energy efficiency is improved, but network performance deteriorates
Solution Approach 1:
The system dynamically adjusts the data rate based on real-time traffic monitoring. When traffic demand is low, the link operates at reduced speeds to minimize power consumption. When traffic demand increases beyond defined thresholds, the system automatically increases the data rate to maintain adequate network performance, thus dynamically balancing energy efficiency with productivity.
Solution Approach 2:
The link policy mechanism enables parameter changes by defining specific data rate thresholds and corresponding operational modes. The system monitors traffic conditions and adjusts the link speed parameter accordingly, transitioning between power-saving and performance-optimized states based on current network requirements.
3Reliability
If fixed high data rate is used to ensure performance, then network throughput is maintained, but power consumption increases unnecessarily during low usage
Solution Approach 1:
Instead of using a fixed high data rate, the system implements dynamic adjustment mechanisms that monitor network traffic and adapt the link speed accordingly. This ensures that high performance is maintained only when necessary (during high traffic periods), while power consumption is reduced during low usage periods, eliminating the waste of energy when full performance is not required.
Solution Approach 2:
The system changes the operational parameter of data rate based on monitored traffic conditions and predefined policies. During low usage periods, the link operates at lower speeds to conserve energy while still maintaining adequate performance for current needs. When traffic increases, the parameter is adjusted upward to ensure performance requirements are met.
4Loss of energy
If dynamic data rate adjustment is implemented to optimize energy efficiency, then power consumption is reduced, but system complexity increases
Solution Approach 1:
The system segments the data rate control functionality into a dedicated link manager module that operates independently from the main network processing. This segmentation allows the dynamic adjustment logic to be isolated and managed separately, reducing the complexity burden on the overall system while still enabling sophisticated energy optimization through specialized handling of rate adaptation.
Solution Approach 2:
The system implements a feedback mechanism where the link manager continuously monitors network traffic conditions and uses this information to adjust data rates according to predefined policies. This closed-loop feedback approach automates the optimization process, reducing the need for complex manual configuration and intervention, thereby managing system complexity through self-regulating behavior.
Data Source
AI summary
A system and method of managing network connections using a link policy is disclosed. In one form, a network link management system can include a link control logic module operable to alter a first link data rate of a first link operable to communicate network traffic. The network link management system can also include a link manager coupled to the link control logic module. In one form, the link manager can be configured to initiate altering the first link data rate to a second link data rate value in response to a first link rate policy entry of the first link. The network link management system can also include a link rate policy accessible to the link manager and operable to store the link rate policy entry of the first link.