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InfiniBand for AI Clusters: Architecture, RDMA, and Optical Connectivity Explained

This story is from 2026-08-28. It is preserved in the archive; the latest stories are on the live feed.

As AI clusters continue to scale, networking is becoming one of the most important factors determining overall system performance. A GPU cluster may contain hundreds or even thousands of GPUs, but these GPUs cannot work efficiently in isolation. During distributed AI training, they constantly excha…

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  1. 2026-08-28 02:58 · DEV Community — AI
    InfiniBand for AI Clusters: Architecture, RDMA, and Optical Connectivity Explained

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