400G and 800G Optical Connectivity for NVIDIA DGX B300 RoCE NetworksAn engineering guide to 400G and 800G optical connectivity for NVIDIA DGX B300 RoCE clusters, covering SR4, DR4, MPO fiber assemblies, and dual-plane network cabling.5 min read·aicplight.hashnode.dev5h ago
NVIDIA DGX B300 InfiniBand Networking: A Practical Guide to XDR and NDR CablingLearn how to design XDR and NDR InfiniBand connectivity for DGX B300 AI clusters.8 min read·aicplight.hashnode.dev1d ago
Troubleshooting High BER in 800G Networks: A Practical Guide to Optical and Electrical Signal IssuesLearn how to troubleshoot high BER in 800G networks by identifying optical loss, connector contamination, reflections, thermal stress, and electrical signal integrity issues.10 min read·aicplight.hashnode.dev6d ago
1.6T Ethernet vs. InfiniBand: A Technical Guide to Next-Generation AI Network ArchitectureExplore 1.6T Ethernet vs. InfiniBand for AI networking. Learn about RoCEv2, RDMA, PFC, ECN, DCQCN, GPU communication, and optical connectivity.10 min read·aicplight.hashnode.devNov 4
Inside InfiniBand HDR, NDR, and XDR: Bandwidth, SerDes, and AI Fabric ScalingExplore InfiniBand HDR, NDR, and XDR networking, comparing 200G, 400G, and 800G bandwidth, SerDes, RDMA, and AI data center fabric architectures.5 min read·aicplight.hashnode.devNov 3