8.2. InfiniBand

InfiniBand is a new standard (and architecture) that defines a switched-fabric interconnect between a host and storage or network peripheral devices. The InfiniBand Trade Association (IBTA) drives the InfiniBand specification. The IBTA is an association that came into existence through the merger of two competing specifications: Future I/O led by Intel, and Next Generation I/O led by IBM, HP, and Compaq.

InfiniBand supports several changes, one of which is the replacement of an I/O bus (such as PCI) with a switched-fabric network. A switched serial fabric has several advantages over an I/O bus, the most notable being that a fabric can support more devices over vastly greater distances using a significantly lower number of electrical ...

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