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What does HIPPI stand for? 

What does HIPPI mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: HIPPI.

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High Performance Parallel Interface

Academic & Science » Electronics -- and more...

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High Performance Parallel Processing Interface

Computing » IT

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What does HIPPI mean?

HIPPI is a computer bus for the attachment of high speed storage devices to supercomputers. It was popular in the late 1980s and into the mid-to-late 1990s, but has since been replaced by ever-faster standard interfaces like SCSI and Fibre Channel. The first HIPPI standard defined a 50-wire twisted pair cable, running at 800 Mbit/s, but was soon upgraded to include a 1600 Mbit/s mode running on fibre optic cable. An effort to improve the speed resulted in HIPPI-6400, which was later renamed GSN but saw little use due to competing standards. GSN had a full-duplex bandwidth of 6400 Mbit/s or 800 MB/s in each direction. To understand why HIPPI is no longer used, consider that Ultra3 SCSI offers rates of 320 MB/s, and is available at almost any corner computer store. Meanwhile Fibre Channel offered simple interconnect with both HIPPI and SCSI and speeds of up to 400 MB/s on fibre and 100 MB/s on a single pair of twisted pair copper wires. HIPPI was the first “near-gigabit” standard for network data transmission. It was specifically designed for supercomputers and was never intended for mass market networks such as Ethernet. Many of the features developed for HIPPI are being integrated into such technologies as InfiniBand. What was remarkable about HIPPI is that it came out when Ethernet was still a 10 Mbit/s data link and SONET at OC-3 was considered leading edge technology.

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