Modular Switch Package for High-Performance Computing Clusters
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Solution Overview
Problem
Conventional methods for interconnecting processors in high-performance computing clusters face limitations in scalability, fault tolerance, and cost-effectiveness, particularly due to inadequate utilization of low-cost commodity computers and inefficient network architectures.
Innovation Solution
A modular switch package design that encloses multiple switches with internal electrical connections and interfaces on both sides of the enclosure, supporting multi-dimensional network architectures and reducing external cabling, while enhancing accessibility and bandwidth.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional interconnecting switches are used to form computing clusters, then processors can be interconnected to solve large problems, but scalability and fault tolerance are limited
Solution Approach 1:
The system segments the network fabric into multiple independent switch packages (200, 300) that can be independently configured and deployed. Each switch package contains multiple switches (204a, 204b, 304a, 304b) that can operate autonomously, allowing the system to scale by adding discrete units rather than requiring complete system replacement. This segmentation enables incremental scaling while maintaining fault isolation.
Solution Approach 2:
The patent introduces multi-dimensional network architectures that go beyond traditional two-dimensional torus or mesh configurations. By implementing three-dimensional and higher-dimensional network topologies, the system achieves improved scalability and fault tolerance without requiring proportional increases in connection complexity. This dimensional expansion allows more efficient routing paths and redundancy options.
2Productivity
If conventional switch architectures are used, then basic networking is achieved, but scalability to thousands of processors is problematic
Solution Approach 1:
The network fabric is divided into modular switch packages that can be independently managed and scaled. Each package contains a defined set of switches and interfaces, creating manageable units that can be replicated and combined to achieve large-scale processor interconnection without overwhelming system complexity.
Solution Approach 2:
The switch packages are designed with universal interfaces and standardized configurations that can support multiple network architectures (2D mesh, 3D torus, hypercube) through software configuration rather than hardware redesign. This multi-functionality allows the same physical infrastructure to adapt to different scaling requirements and computational workloads.
3Ease of manufacture
If low-cost commodity computers are used, then cost-effectiveness is improved, but fault tolerance characteristics are inadequate
Solution Approach 1:
The system implements redundant communication paths and fault detection mechanisms at the network fabric level, providing protection against component failures before they impact computation. Multiple independent routes between processors allow the system to automatically bypass failed nodes, cushioning against the inherent reliability limitations of commodity hardware.
Solution Approach 2:
The patent changes the architectural parameters of the network fabric to include increased redundancy and alternative routing capabilities. By modifying the network topology parameters rather than the processor parameters, the system maintains cost-effectiveness while improving fault tolerance through structural resilience.
4Volume of stationary object
If switches are positioned inside a compact enclosure, then space requirements are reduced, but accessibility and cooling may be compromised
Solution Approach 1:
The compact enclosure houses multiple switches in a segmented, modular arrangement that maintains serviceability. Each switch module can be accessed and replaced independently through standardized access points, allowing maintenance personnel to work on individual components without disassembling the entire enclosure.
Solution Approach 2:
The patent utilizes three-dimensional space utilization within the enclosure, positioning switches and interfaces in vertical and lateral arrangements that maximize space efficiency while maintaining access corridors. Interfaces are positioned on multiple faces of the enclosure, allowing connectivity from different directions without compromising internal component accessibility.
Data Source
Figure 1~2A
Figure 2B~3C
Figure 3A
AI summary
In certain embodiments, a method for networking a computer cluster includes communicatively coupling together each of a plurality of client nodes through one or more switches, each switch comprising a plurality of switch ports. The method also includes positioning at least two of the one or more switches inside a switch package (200). In addition, the method includes electrically interconnecting at least a subset of the plurality of switch ports of the at least two of the one or more switches (204a, 204b) within the switch package.