Service Processor Remote Power Management via Network Traffic
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Solution Overview
Problem
Current power management systems for information handling systems lack the ability to remotely manage power when the service processor is unreachable or the system is shut down, leading to costly and time-consuming physical interventions to restore power, especially in remote data centers.
Innovation Solution
A service module detects power shutdowns and an unresponsive state, allowing a service processor to monitor network and USB traffic for power control commands, enabling remote power management through a dedicated management port and USB ports, even when the system is powered off.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the service processor is unreachable or the system is shut down, then physical intervention is required to restore power, but this increases downtime and operational costs
Solution Approach 1:
The service processor is configured to monitor network traffic and USB traffic before power shutdown occurs, and maintains the ability to receive and execute power control commands even after shutdown. This preliminary configuration ensures that remote power management is already in place before failures occur, eliminating the need for physical intervention and reducing downtime.
Solution Approach 2:
The patent introduces network traffic monitoring and USB traffic monitoring as intermediary mechanisms that allow the service processor to detect power control commands indirectly, even when the system is shut down. These intermediaries bridge the gap between the external environment and the powered-off system, enabling remote power management without direct physical access.
2Ease of operation
If physical intervention is used to restore power, then direct control is achieved, but this increases operational costs and reduces remote management capability
Solution Approach 1:
The service processor is designed to perform multiple functions: it monitors network traffic, monitors USB traffic, detects power control commands, and executes power control actions. This multi-functionality consolidates what would otherwise require separate dedicated hardware components, achieving remote management capability without proportionally increasing system complexity.
Solution Approach 2:
The system enables self-service remote power management by automatically monitoring incoming traffic for power control commands and executing them without human intervention. The service processor autonomously detects when a power control command is directed to the information handling system and processes it, eliminating the need for manual physical intervention.
3Measurement precision
If the service processor monitors all network traffic, then power control commands are detected, but this increases processing overhead and energy consumption
Solution Approach 1:
The service processor monitors network traffic and USB traffic partially - specifically looking for power control commands rather than processing all data traffic. This selective monitoring approach achieves sufficient command detection accuracy while minimizing processing overhead and energy consumption by focusing only on relevant control signals.
Data Source
AI summary
A service module may detect a power shutdown of an information handling system. In response a service processor may monitor incoming network traffic at a network port and at a universal serial bus port, and if the incoming network traffic includes a power control command directed to the information handling system, then execute the power control command.