Line-card Power Management via Port Activity Tracking
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Solution Overview
Problem
Current switch models in data centers waste significant power as unused line-cards continue to consume energy even when all ports are turned off, leading to unnecessary operational expenditure due to inefficient power management.
Innovation Solution
A management apparatus with a tracking module to monitor port activity, a control module to determine when line-cards can be deactivated, and an output module to execute deactivation, ensuring power is turned off to inactive line-cards, thereby reducing overall power consumption without affecting switch functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If line-cards remain powered on for availability, then network responsiveness is improved, but power consumption increases
Solution Approach 1:
The system dynamically adjusts the power state of line-cards based on real-time port activity monitoring. Line-cards transition between active and powered-off states depending on whether their ports are actively transmitting or receiving data, optimizing the balance between network responsiveness and power consumption.
Solution Approach 2:
The switch automatically monitors its own port activity and controls the power state of line-cards without external intervention. The system self-manages power allocation by detecting when all ports on a line-card are inactive and automatically powering down the line-card to save energy.
2Adaptability or versatility
If line-cards are kept enabled for potential use, then network adaptability is improved, but wasted power increases
Solution Approach 1:
The switch autonomously monitors port activity on each line-card and automatically powers down line-cards when all ports are inactive, eliminating the need for manual power management and preventing energy waste on unused components.
Solution Approach 2:
The system continuously monitors port activity status and uses this feedback to control the power state of line-cards. When monitoring detects that all ports on a line-card are inactive, the system responds by powering down the line-card, and reverses this action when activity is detected.
3Use of energy by stationary object
If manual power management is implemented, then power control precision is improved, but operational complexity increases
Solution Approach 1:
The switch performs automatic power management of line-cards through built-in monitoring and control mechanisms, eliminating the need for manual intervention while maintaining precise control over power consumption based on actual port activity.
Data Source
AI summary
A power management apparatus is configured to manage a switch having line-cards with ports. The management apparatus includes a tracking module configured to track activity for each port in a line-card in the switch, and a control module configured to determine whether the line-card is to be disabled. The management apparatus also includes output module configured to initiate a deactivation process for the line-card if all the ports are inactive.