Architects' Tech Alliance

Apr 23, 2024 · Industry Insights

Which GPU Cluster Network Wins for LLM Training? NVLink, InfiniBand, RoCE & DDC Compared

This article analyzes the main GPU/TPU cluster networking options—NVLink, InfiniBand, RoCE Ethernet, and DDC full‑schedule fabrics—examining latency, lossless transmission, congestion control, cost, power, and scalability to determine their suitability for large‑scale LLM training.