Data Center network designs are increasingly constrained by port density limits and congestion caused by large, persistent data flows. Adding a third switching tier can help, but it adds latency, complexity and cost. A more efficient alternative is multiplane architecture driven by shuffle infrastructure, which overcomes these issues by distributing optical lanes from each GPU across multiple switches and network paths, enabling better load balancing and higher throughput. This reduces latency, improves reliability and improves the efficiency of larger GPU clusters within flatter, two tier network designs. Shuffle-driven multiplane architectures provide a scalable, resilient foundation for next generation, high performance data center infrastructure.

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