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InfiniBand vs Ethernet for AI Fabrics: The Congestion Bill Arrives Later

Every cluster procurement meeting in the last two years has had the same argument. InfiniBand is expensive, vendor-locked, and hard to hire for. Ethernet is cheap, ubiquitous, and every network engineer already knows it. So why do the largest training clusters still ship with InfiniBand, and why do…

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  1. 2026-11-03 19:12 · DEV Community — AI
    InfiniBand vs Ethernet for AI Fabrics: The Congestion Bill Arrives Later

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