The reporting

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Topic: nccl

Jensen Huang presenting the RTX Blackwell GPU generation at NVIDIA's CES 2025 keynote in Las Vegas, an illustrative image for an article about NVIDIA GPU networking software.

NEWS Space and Aerospace

NVIDIA's DOCA GPUNetIO becomes the shared GPU-initiated networking foundation for NCCL, NVSHMEM and UCX

NVIDIA's October 6, 2026 announcement consolidates its separate GPU-initiated networking implementations under one DOCA GPUNetIO foundation, letting CUDA kernels drive Ethernet, RDMA, Verbs and DMA operations directly while the CPU leaves the critical path. Here is what changed and why it matters.