RDMA 的性能优势和限制:从无复制传输到 HPC.

Copy-Free Network Construction and Resource Efficiency Remote Direct Memory Access (RDMA) enables data transfer from one computer’s memory to another’s memory without affecting either computer’s operating system. This capability enables high-speed, low-latency network construction, which is critical for large, parallel computer clusters.

Although InfiniBand (a high-performance communication link) is superior to many technological alternatives in terms of RDMA, its commercial future is uncertain.

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