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AI infrastructure, DC fabric design, and the CCDE journey. Published every two weeks.

DC Fabric Design

Why AI Training Clusters Need Lossless Ethernet — And What That Means for Your Fabric

Every GPU in a training cluster communicates constantly with every other GPU. When packets drop, training jobs stall. Here's why lossless Ethernet is non-negotiable and what it takes to actually build it.

2026-05-08 · 8 min read