HIPPI / High Performance Parallel Interface for Not Yet Techies

"Computer Careers: Creating Virtual Supercomputers by Hooking PCs Up With This High Speed Technology"

by Richard Stooker, President Info Ring Press and author of Secrets of Changing to a Computer Career

HIPPI / High Performance Parallel Interface is a point to point protocol for transmitting large amounts of data at high speeds over short distances such as on LANs. Speeds can go up to billions of bits per second. Supporters of the HIPPI / High Performance Parallel Interface believe this capability will turn LANs into super computers.

HIPPI / High Performance Parallel Interface is particularly suited for data that does come in large quantities, such as from storage devices, data warehouse updating and audio and video streams.

It uses a point to point link and 50 twisted pair copper wires with a maximum range of 25 meters.

HIPPI / High Performance Parallel Interface are encapsulated and can be sent over ATM and Fibre Channel networks

HIPPI / High Performance Parallel Interface 6400 is commercially known as Gigabyte System Network, up 6.4 Gbps and uses fiber optic technologies. It is an ANSI standard ( ANSI X3T9.3 document number X3T9.3/90-043, 1990 ). It defines interfaces at the Physical layer and for part of the Data Link Control layer of the OSI Reference Model.

It uses a parallel data path with copper cable. It is a simplex channel, capable of transferring data in one direction only. Two HIPPI / High Performance Parallel Interface channels may be used to implement a full-duplex channel. It is a point-to-point channel that does not support multi-drop. Crossbar switches and other networking methods are being considered to achieve the equivalent of multi-drop. An addressing mechanism is included to support these networking concepts.

The HIPPI / High Performance Parallel Interface provides support for low-latency, real-time, and variable-size packet transfers.

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