Network Switch Port Power Control Using Reinforcement Learning

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Solution Overview

Problem

Current power management policies for network switch ports in datacenters are inefficient as they do not dynamically adapt to multiple network parameters and traffic flows, leading to unnecessary power consumption and latency.

Innovation Solution

Employing a neural network to intelligently transition switch ports between active and idle modes based on observed state information, using reinforcement learning to optimize power usage and minimize latency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of energy

If ports are transitioned to idle mode to save power, then power consumption is reduced, but latency increases due to transition time

Engineering Contradiction:
Improvepower consumptionVSAvoidlatency
Core Design Contradiction:
Loss of energyVSLoss of time

Solution Approach 1:

The system performs preliminary actions by transitioning ports to idle mode before actual data transmission occurs. The reinforcement learning agent predicts future traffic patterns and proactively puts ports in idle mode, then wakes them up in advance when transmission is needed, thereby reducing both power consumption and latency penalties

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system implements feedback mechanisms where the reinforcement learning agent continuously monitors port usage patterns, traffic conditions, and performance metrics. This feedback loop allows the agent to learn from past decisions and adjust port transition timing dynamically, optimizing the balance between power savings and latency performance

Inventive Principle:
Principle #23Feedback

2Device complexity

If current power management policies are used, then implementation is simple, but adaptability to multiple network parameters and traffic flows is insufficient

Engineering Contradiction:
Improveimplementation complexityVSAvoidadaptability to network parameters
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The system employs self-service principles by using reinforcement learning agents that autonomously learn and adapt to complex network conditions without requiring manual configuration or external control. The agents independently process network parameters, traffic patterns, and port states to make intelligent decisions about power management, achieving high adaptability while keeping the implementation relatively simple

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system dynamically changes operational parameters of network ports based on real-time conditions. The reinforcement learning agent adjusts port states (active/idle transitions), timing, and duration based on learned patterns from multiple network parameters and traffic flows, enabling flexible adaptation to varying network conditions

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS20250385809A1Reinforcement learning for switch power optimization
Publication Date: 2025.12.18 NVIDIA CORP
  • US20250385809A1 patent drawing
  • US20250385809A1 patent drawing
  • US20250385809A1 patent drawing

AI summary

Network switches are devices that connect multiple devices together on a computer network, using packet switching to receive, process, and forward data to the destination device. Each switch typically contains multiple ports, which are the points of connection for network cables. These ports can be in an active state, where they are ready to transmit data, or in an idle state, where they consume less power. Power consumption in datacenters has been a topic of concern due to the increasing demand for data processing and storage. One approach to reducing power consumption involves managing the power state of the switch ports. However, current power saving policies focus on making decisions for one type of traffic pattern or for a single port at a time, and therefore cannot intelligently or dynamically adapt to a multitude of network parameters affecting traffic flows. The present disclosure uses artificial intelligence to more intelligently transition ports between different modes of operation.