In Focus: Infiniband

🌐 InfiniBand
High-Performance Networking Fabric for AI and HPC Clusters
InfiniBand is a high-performance networking technology used to connect servers, GPUs, storage systems and accelerators in AI training clusters, supercomputers and high-performance computing environments. Known for low latency, high throughput and native RDMA support, InfiniBand remains a major fabric for tightly coupled compute workloads.
Why It MattersLarge AI training systems require fast, predictable communication across thousands of GPUs. InfiniBand provides a mature, purpose-built fabric for scale-out compute, helping reduce communication overhead and improve accelerator utilization in demanding AI and HPC deployments.
CategoryNetworking Technology
Typical DeploymentAI training clusters • HPC supercomputers • GPU fabrics • Research computing • Large-scale simulation
Key CapabilitiesNative RDMA • Low latency • High throughput • Adaptive routing • Congestion control • Collective communication support • Scale-out GPU networking
Topics CoveredAI Infrastructure • GPU Networking • High-Performance Computing • RDMA • Supercomputing • Scale-Out AI • Data Center Fabrics
Key CompaniesDell Technologies • HPE • Lenovo • NVIDIA • Supermicro
Related TechnologiesRDMARoCEEthernetUltra EthernetAI Infrastructure
Standards & Industry GroupsInfiniBand Trade Association
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