Rack Server Network Routing via Middle Plane Board
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Solution Overview
Problem
Conventional rack server systems lack flexibility in network route configuration, limiting operational convenience and management efficiency.
Innovation Solution
A rack server system with a remote controller, middle plane board, server units, server-end switches, and integrated connectors, allowing selective connection via either integrated or server-end connectors for flexible network routing, enabling control of each server unit and reducing the number of required network routes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional rack system is connected to all blader servers via a switch circuit, then centralized management is achieved, but network route configuration flexibility is reduced
Solution Approach 1:
The system divides the network connection architecture into multiple independent segments: each server unit has its own server-end switch and server-end connector, while the middle plane board provides additional integrated connectors. This segmentation allows flexible combination of connection paths without requiring complete reconfiguration of the entire system, resolving the contradiction between centralized management and routing flexibility.
Solution Approach 2:
The middle plane board's integrated connectors and the server-end connectors serve multiple functions: they can independently connect to the remote controller, or work together to provide alternative routing paths. This multi-functionality enables the system to maintain centralized management while adapting to different network configuration requirements, thus improving both ease of operation and adaptability.
2Adaptability or versatility
If multiple connection paths are provided for remote controller access, then network route flexibility is improved, but system complexity increases
Solution Approach 1:
The middle plane board acts as an intermediary component that simplifies the addition of multiple connection paths. Rather than requiring complex reconfiguration of existing connections, the middle plane board provides standardized integrated connectors that naturally integrate into the existing architecture, enabling flexible routing without proportionally increasing system complexity.
Solution Approach 2:
The system employs dynamic switching capabilities through server-end switches and internal switches that can adaptively route communications based on configuration needs. This dynamic behavior allows the system to provide multiple connection paths on demand while maintaining a relatively simple static physical architecture, thus improving adaptability without excessive complexity increase.
Data Source
AI summary
A rack server system controlled by a remote controller includes a number of server units and a middle plane board. Each of the server units includes a baseboard management controller (BMC), a server-end connector, and a server-end switch, coupled to the BMC and the server-end connector for regulating communication operation therebetween. The middle plane board includes an integrated connector and a plane-end switch, coupled to the server-end switches of each of the server units and the integrated connector for regulating communication operation thereamong. The remote controller is coupled to the rack server system via one of the integrated connector and the server-end connectors and manages the communication operation of the server units.