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Version 1.0 of the InfiniBand Architecture Specification was released in 2000. Initially the IBTA vision for IB was simultaneously a replacement for PCI in I/O, Ethernet in the machine room, cluster interconnect and Fibre Channel. IBTA also envisaged decomposing server hardware on an IB fabric.
SDP is a pure wire-protocol level specification and does not go into any socket API or implementation specifics. The purpose of the Sockets Direct Protocol is to provide an RDMA-accelerated alternative to the TCP protocol on IP. The goal is to do this in a manner which is transparent to the application.
3.0 is the "base" or "core" specification. The AdvancedTCA definition alone defines a Fabric agnostic chassis backplane that can be used with any of the Fabrics defined in the following specifications: 3.1 Ethernet (and Fibre Channel) 3.2 InfiniBand; 3.3 StarFabric; 3.4 PCI Express (and PCI Express Advanced Switching) 3.5 RapidIO
Applications access control structures using well-defined APIs originally designed for the InfiniBand Protocol (although the APIs can be used for any of the underlying RDMA implementations). Using send and completion queues, applications perform RDMA operations by submitting work queue entries (WQEs) into the submission queue (SQ) and getting ...
The Virtual Interface Architecture (VIA) is an abstract model of a user-level zero-copy network, and is the basis for InfiniBand, iWARP and RoCE.Created by Microsoft, Intel, and Compaq, the original VIA sought to standardize the interface for high-performance network technologies known as System Area Networks (SANs; not to be confused with Storage Area Networks).
Others expected that InfiniBand will keep offering a higher bandwidth and lower latency than what is possible over Ethernet. [17] The technical differences between the RoCE and InfiniBand protocols are: Link Level Flow Control: InfiniBand uses a credit-based algorithm to guarantee lossless HCA-to-HCA communication. RoCE runs on top of Ethernet.
The IBM XIV Storage System was a line of cabinet-size disk storage servers.The system is a collection of modules, each of which is an independent computer with its own memory, interconnections, disk drives, and other subcomponents, laid out in a grid and connected together in parallel using either InfiniBand (third generation systems) or Ethernet (second generation systems) connections.
On August 1, 2022, OpenCAPI specifications and assets were transferred to the CXL Consortium, [21] [22] which now includes companies behind memory coherent interconnect technologies such as OpenCAPI (IBM), Gen-Z (HPE), and CCIX (Xilinx) open standards, and proprietary InfiniBand / RoCE (Mellanox), Infinity Fabric (AMD), Omni-Path and QuickPath ...