Talk:HIPPI

Apples to oranges?
Comparison between HIPPI and SCSI-3 is not correct as they neither overlap in time, nor in target markets. In mid-1990s when HIPPI was almost dead Ultra SCSI-3 (20 MBps) just came out. SCSI-3 was used in low-end ("PC") and mid-range (RISC) servers/workstations while HIPPI was almost two orders of magnitude faster being also two orders of magnitude more expensive, and therefore was living in the supercomputing niche (see IBM Announcement Letter 193-200 dated July 13, 1993).

Displacement of HIPPI due to technical superiority of SCSI or FC is ridiculous. The so called Ultra SCSI-3 ("Narrow") was 8-bit wide, was achieving 20 MBps, and was limited to cable lenght less than 1 meter within the box. Ultra Wide SCSI-3 (16-bit, 40 MBps) was considered cost-prohibitive, and was used in multi-processor servers. Differential Ultra Wide SCSI-3 (later known as HVD) was allowing cables to run up to 12m at even higher costs. Similarly FC at that time was running at 266 Mbps (27 MBps). --91.92.29.19 (talk) 21:32, 13 August 2009 (UTC)

A bit apples to oranges...
Lots of interfaces are proposed, used in some specialized niche, never catch on in the wider world, and die off.

The guy who wrote "apples to oranges?" is right: it's not necessary to invoke SCSI standards that came many years after HIPPI to explain why HIPPI died off. It was a very specialized, high-cost connection for one tiny corner of the performance computing market. Eventually commodity stuff caught on and surpassed and replaced HIPPI... like every other interface since the dawn of mankind has been replaced by newer cheaper stuff.

I always thought that HIPPI was somehow the big brother of IPI but have no proof of it :-) —Preceding unsigned comment added by N3QE (talk • contribs) 17:32, 27 December 2009 (UTC)


 * Yes, so the article needs to be fixed. My problem is that although it might have been first designed as a storage (disk access) connection technology, (indeed using IPI as its storage payload) it was also used for TCP/IP heavily. So I would give follow-ons to include Fibre Channel, Infiniband or ten gigabit Ethernet or other cluster interconnects. W Nowicki (talk) 17:27, 6 May 2011 (UTC)

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