Articles by tag "leaf spine architecture"

1. Best 100G Network Switches for AI Clusters in 2026: Architecture, Performance & Deployment Guide
   Selene Gong

   33
   As AI infrastructure rapidly scales toward thousands of GPUs per cluster, network design has become one of the most critical determinants of training efficiency. In 2026, 100G Ethernet switches are no longer optional—they are the baseline fabric for AI clusters, enabling high-throughput GPU ...
2. Is 100G Ethernet Enough for AI Clusters? When to Upgrade to 400G
   Selene Gong

   34
   When building or scaling AI infrastructure, organizations often start with the compute layer, heavily investing in the latest GPUs. However, a critical question usually arises during the architectural planning phase: is 100G Ethernet enough for AI clusters, or will it throttle your expensive ...
3. NVIDIA Spectrum-X vs Traditional Ethernet for AI Networking
   Selene Gong

   32
   For AI infrastructure architects and data center engineers, deploying modern GPUs is no longer the main challenge—the real constraint is whether the network can keep those GPUs fully utilized. As organizations scale from small AI pods to large-scale LLM training clusters with hundreds or ...
4. How to Build a 100G Leaf-Spine Network for GPU Servers (AI & RDMA Optimized)
   Selene Gong

   30
   Modern AI infrastructure is no longer constrained by compute power—it is constrained by the network. In GPU-driven workloads such as distributed training and large-scale model synchronization, east-west traffic dominates the entire data center fabric. This makes traditional 10G/25G ...