InfiniBand
The native RDMA fabric — designed from scratch in 1999, lossless by credit-based flow control, sub-microsecond latency, ~99% NVIDIA. The fabric inside DGX SuperPOD and most pre-2022 large GPU clusters.
InfiniBand
The native RDMA fabric — designed from scratch in 1999, lossless via credit-based flow control, sub-microsecond latency, ~99% NVIDIA. One of two protocols that implement RDMA on the wire.