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A high-speed interface used to connect storage networks and computer clusters, introduced in 1999. Using switched, point-to-point channels similar to mainframes and also similar to PCI Express (switched version of PCI), InfiniBand is designed for fabric architectures interconnecting devices in local networks.

A Technology Merger
Supporting both copper wire and optical fibers and originally known as "System I/O," InfiniBand is a combination of Intel's NGIO (Next Generation I/O) and Future I/O from IBM, HP and Compaq. For more information, visit the InfiniBand Trade Association at See RDMA, PCI Express, NGIO and Future I/O.

   Data transfer rate is
   80% of signaling speed.

 Type           Number of(DR =          Bonded Channels data rate)     1x   4x   8x   12xSingle (SDR)   2.5   10  20   30

 Double (DDR)5   20   40   60

 Quad (QDR)10   40   80  120

 14 (FDR)14   56  112  168

 Enhanced (EDR)  26  104  208  312
References in periodicals archive ?
According to the company, ConnectX-2 with CORE-Direct is the first host channel adapter (HCA) in the market to process in hardware application communications used by scientific simulation for data broadcast, global synchronisation and data collection.
The InfiniSwitch solution, which includes a 12/24 Port Leaf Switch and a dual port Host Channel Adapter, passed compatibility testing for three IBM eServer xSeries platforms: the x335, x345 and x440.
NASDAQ: MLNX) (TASE: MLNX), a leading supplier of end-to-end connectivity solutions for data center servers and storage systems, today announced the launch of ASUS Z8PH-D12 SE/QDR, a half size serverboard equipped with Mellanox ConnectX[R] 40Gb/s InfiniBand Host Channel Adapter (HCA) devices supporting Landed-on-Motherboard applications.
Intel's InfiniBand suite of products, which will be used with the company's future IA-32 and upcoming Itanium-based server platforms, include the three critical components for an InfiniBand fabric - a host channel adapter, a switch and a target channel adapter.
PathScale's InfiniPath(TM) InfiniBand Host Channel Adapter and OpenIB software provide the highest performance based on well-known metrics that measure latency and bandwidth.
QLogic offers a comprehensive, end-to-end portfolio of InfiniBand networking products for HPC including QDR host channel adapters, QDR multi-protocol director and edge switches and intuitive tools to install, operate, and maintain high performance fabrics.
The company is also a leading supplier of InfiniBand switches and InfiniBand host channel adapters for the emerging high performance computing market.
Lanes (or channels) are created between InfiniBand Host Channel Adapters (HCAs) and Target Channel Adapters (TCAs).
QLogic offers a comprehensive end-to-end product portfolio of HPC solutions which includes multi-protocol fabric directors, edge fabric switches, host channel adapters (HCAs), and a complete software suite to install, operate, and maintain high performance interconnect fabrics.
All of the support systems such as the Infiniband host channel adapters and the Ethernet switches are designed to be easily accessible and hot-swappable, with redundancy built into the various systems including the cooling and power supplies.
It can be assumed therefore, that suitable Host Channel Adapters and switch transceivers would be capable of meeting this requirement.
NASDAQ:MLNX) (TASE:MLNX), a leading supplier of end-to-end connectivity solutions for data center servers and storage, today announced that its single-port and dual-port ConnectX[R] 40Gb/s (QDR) InfiniBand Host Channel Adapters (HCAs) are now available directly from IBM for the company's IBM System Cluster 1350[TM] and iDataPlex systems.