Power Line Network Server Management
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Solution Overview
Problem
Existing server management methods using network cables create cable clutter, increase configuration errors, and hinder airflow and cooling in datacenters, leading to inefficiencies and higher costs.
Innovation Solution
Implementing a power line network for remote server management, where power line electronics integrated into servers and power distribution units enable data transmission over existing power cables, eliminating the need for separate network cables and using power line electronics to modulate and demodulate signals between Ethernet and power line protocols.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If network cables are used to connect management switch to remote server, then data transmission is achieved, but cable clutter increases and rack space decreases
Solution Approach 1:
The patent combines power delivery and data transmission functions into a single power cable infrastructure. Power line electronics (PLE) devices are integrated into both the power distribution unit and server power supplies, enabling Ethernet data to be transmitted over the power cable alongside electrical power, thereby eliminating the need for separate network cables and reducing cable clutter in rack spaces.
Solution Approach 2:
The existing power cable infrastructure is made multi-functional by enabling it to carry both electrical power and Ethernet data signals. The power line electronics convert electrical signals to Ethernet frames and vice versa, allowing the power cable to serve dual purposes: power delivery and network communication, thus freeing up rack space and reducing the number of cables required.
2Reliability
If separate network cables are used for server management, then dedicated data transmission path is provided, but device complexity and configuration errors increase
Solution Approach 1:
The invention merges power delivery and data communication functions into a single integrated system. Power line electronics are embedded in both the PDU and server power supplies, creating a unified infrastructure where one cable performs both functions, thereby reducing cabling complexity and potential configuration errors while maintaining dedicated data transmission paths.
Solution Approach 2:
Power line electronics act as intermediary devices that convert between electrical power signals and Ethernet data signals. These PLE components modulate and demodulate signals, enabling bidirectional communication over the power cable infrastructure without requiring separate network cabling, thus simplifying the overall system while preserving dedicated data paths.
3Reliability
If network cables are installed for each server management connection, then direct connectivity is achieved, but airflow restriction and cooling efficiency decrease
Solution Approach 1:
By merging power and data functions into the power cable infrastructure, the invention eliminates numerous network cables that would otherwise obstruct airflow in data centers. The reduced cable density improves air circulation between server components, enhancing cooling efficiency while maintaining full management connectivity through the power line network.
4Adaptability or versatility
If additional network infrastructure is deployed for server management, then management capability is enhanced, but power consumption and operational costs increase
Solution Approach 1:
The invention makes the existing power infrastructure multi-functional by enabling it to carry both power and data signals. This eliminates the need for additional network switches, cables, and associated power consumption. The power line electronics use the same electrical infrastructure already present in the data center, reducing overall power consumption and operational costs while maintaining full server management capability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution reduces cable clutter, minimizes configuration errors, improves airflow and cooling, increases rack space, and decreases power consumption and operational costs by utilizing existing power cables for data transmission, thereby enhancing datacenter efficiency and reducing complexity.
Implementation Method 1
power line electronics to modulate and demodulate signals between Ethernet and power line protocols
Data Source
AI summary
Systems and method of remote server management replace the traditional server network port associated network cabling with power line networking by using a server's power cables are used to carry both power and Ethernet traffic between the remote server and a network management switch. In this manner, the amount of network cabling in a server rack is reduced, and the need for a management port on a server is eliminated, freeing up ports on a top of rack switch that, otherwise, would have been used for management purposes only.