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Architects' Tech Alliance
Architects' Tech Alliance
Jul 19, 2025 · Artificial Intelligence

Best GPU Cluster Network for Large‑Scale AI: NVLink, InfiniBand, RoCE & DDC

This article compares the main networking technologies used in large‑scale AI GPU clusters—NVLink, InfiniBand, RoCE Ethernet, and the emerging DDC full‑schedule fabric—examining latency, lossless transmission, congestion control, cost, power and scalability to help engineers choose the optimal solution for training massive language models.

AI trainingDDCData center
0 likes · 15 min read
Best GPU Cluster Network for Large‑Scale AI: NVLink, InfiniBand, RoCE & DDC
Efficient Ops
Efficient Ops
Jun 11, 2023 · Artificial Intelligence

Why Network Bandwidth Is the Real Bottleneck for AIGC and How DDC Solves It

The article explains how AIGC models demand massive GPU compute, why network bandwidth and latency become the critical limiting factors, and how the Distributed Disaggregated Chassis (DDC) architecture addresses these challenges with scalable, high‑throughput networking solutions.

AI InfrastructureAIGCDDC
0 likes · 13 min read
Why Network Bandwidth Is the Real Bottleneck for AIGC and How DDC Solves It