Category: Retrofit & Modernization
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Introduction Legacy data center networking are optimized for random “mice flows”, allowing hardware to exploit statistical multiplexing gains. In this model, the probability of every port bursting toward a single destination at the exact same microsecond is low enough to be ignored. AI training operations challenges this assumption. When a 1,024-GPU cluster completes a backward…
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Introduction The data center industry has spent three decades optimizing airflow. The engineering community was resourceful at improving efficiency from a fundamentally limited thermodynamic medium: Air. Those days are over. NVIDIA announced in 2025 the GB200 NVL72, a 72-GPU rack system that dissipates 120–132 kW of heat in the footprint of a rack. Additionally, According to…