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Mellanox ConnectX-5 VPI - Customer Install - network adapter

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ConnectX-5 with Virtual Protocol Interconnect supports two ports of 100 Gb/s InfiniBand and Ethernet connectivity, sub-600 ns latency, and very high message rate, plus PCIe switch and NVMe over Fabric offloads, providing a high-performance and flexible solution for the demanding applications and markets: Machine Learning, Data Analytics, and more.

  • Tag Matching and Rendezvous offloads
  • Adaptive routing on reliable transport
  • Burst Buffer offloads for background checkpointing
  • NVMe over Fabric (NVMf) offloads
  • Back-end switch elimination by host chaining
  • Embedded PCIe switch
  • Enhanced vSwitch/vRouter offloads
  • Flexible pipeline
  • RoCE for overlay networks
  • PCIe Gen 4 support
  • HPC environments
    ConnectX-5 delivers high bandwidth, low latency, and high computation efficiency for high-performance, data-intensive and scalable compute and storage platforms. ConnectX-5 offers enhancements to HPC infrastructures by providing MPI and SHMEM/PGAS and Rendezvous Tag Matching offload, hardware support for out-of-order RDMA Write and Read operations, as well as additional Network Atomic and PCIe Atomic operations support. ConnectX-5 VPI utilizes both IBTA RDMA (Remote Data Memory Access) and RoCE (RDMA over Converged Ethernet) technologies, delivering low-latency and high performance. ConnectX-5 enhances RDMA network capabilities by completing the Switch Adaptive-Routing capabilities and supporting data delivered out-of-order, while maintaining ordered completion semantics, providing multipath reliability and efficient support for all network topologies including DragonFly and DragonFly+. ConnectX-5 also supports Burst Buffer offload for background checkpointing without interfering in the main CPU operations, and the innovative transport service Dynamic Connected Transport (DCT) to ensure extreme scalability for compute and storage systems.
  • Storage environments
    NVMe storage devices are gaining popularity, offering very fast storage access. The evolving NVMe over Fabric (NVMf) protocol leverages the RDMA connectivity for remote access. ConnectX-5 offers further enhancements by providing NVMf target offloads, enabling very efficient NVMe storage access with no CPU intervention, and thus improved performance and lower latency. Moreover, the embedded PCIe switch enables customers to build standalone storage or Machine Learning appliances. As with the earlier generations of ConnectX adapters, standard block and file access protocols can leverage RoCE for high-performance storage access. A consolidated compute and storage network achieves significant cost-performance advantages over multi-fabric networks.

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