PCIe Switching ASIC Integration for Data Center Rack Space
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Solution Overview
Problem
Traditional data center networks face challenges with space, power, and cooling efficiency due to the high cost and space consumption of high-speed switches, particularly in traditional server racks where switches occupy a significant portion of the rack space.
Innovation Solution
A PCIe card with a switching ASIC and power management module is inserted into a traditional server, connected via CXP connectors, providing switching functionality and reducing the need for top-of-rack switches, thus conserving space and optimizing power usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional high-speed switches are used in data center networks, then network switching functionality is provided, but rack space is significantly consumed and cost increases
Solution Approach 1:
The patent merges the network switching functionality with the server by integrating a switching ASIC onto a PCIe card that can be installed within the server chassis. This combines two previously separate functions (switching and server operations) into a single integrated unit, eliminating the need for dedicated external switches and reducing rack space consumption
Solution Approach 2:
The PCIe card with switching ASIC serves multiple functions: it provides network switching capabilities while simultaneously being a standard server expansion component. This multi-functional design allows the same hardware platform to perform both server operations and network switching, reducing the total number of separate devices needed in the data center
2Reliability
If traditional high-speed switches are deployed, then network connectivity is ensured, but power consumption and cooling requirements increase
Solution Approach 1:
By merging the switching function with the server platform, the system eliminates the need for separate powered switches. The switching ASIC on the PCIe card leverages the server's existing power infrastructure and processing capabilities, thereby reducing overall power consumption while maintaining network connectivity
Solution Approach 2:
The server system provides its own switching capabilities through the integrated PCIe card, eliminating the need for external switching infrastructure. The server essentially serves its own networking needs, reducing dependency on separate network equipment and associated power consumption
3Area of stationary object
If blade servers with built-in switches are used, then space is saved, but cost significantly increases
Solution Approach 1:
The patent applies multi-functionality to standard server platforms by enabling them to perform both computing and switching functions through the PCIe card integration. This allows organizations to use existing, cost-effective server hardware for dual purposes rather than requiring expensive specialized blade servers with built-in switching capabilities
Data Source
AI summary
The preferred methodology for manufacture of a PCIe card of the preferred embodiment involves placing a switch such as a switching ASIC on a PCIe card and operatively connecting the switching ASIC to the PCIe card. The preferred methodology also includes operatively connecting a power management module to the PCIe card and including CXP connectors on the PCIe card. The PCIe card of the preferred embodiment includes a power management module (i.e. a power converter) and a switching ASIC. The PCIe card of the preferred embodiment further includes three CXP connectors. In one embodiment, the supporting CPU for switch control and management is placed on the PCIe card.