[HN Gopher] Fault Tolerance in Tandem Computer Systems (1986)[pdf]
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Fault Tolerance in Tandem Computer Systems (1986)[pdf]
Author : sillywalk
Score : 9 points
Date : 2025-01-25 21:40 UTC (1 hours ago)
(HTM) web link (jimgray.azurewebsites.net)
(TXT) w3m dump (jimgray.azurewebsites.net)
| pastureofplenty wrote:
| Tandem was a special company for sure. My dad worked there in the
| 80s and 90s and said it was the best job he ever had.
| ghaff wrote:
| Tandem reinvented themselves a number of times in the light of
| various hardware changes, eventually ending up I believe on x86.
| sillywalk wrote:
| Yes. Proprietary CISC chips->MIPS->Itanium and ported to x86-64
| around 10 years ago. Apparently is or will soon be offered "in
| the cloud" as a "NonStop as a Service".
| ghaff wrote:
| I forgot about the MIPS step. Went to grad school with a guy
| who was with Tandem and ended up in charge of HP's enterprise
| servers. Not sure how network-accessed FT works from a
| reliability perspective but I guess there are a lot of apps
| where, if your network is down, you're toast anyway and there
| are various ways to provide redundancy.
| newman314 wrote:
| So it probably sufficiently far removed now that I can talk about
| it but I was involved in taking a look behind the scenes at a
| telco over a decade ago while doing due diligence.
|
| The telco had a pair of Tandem systems acting as the FTP server
| for all the telco switches. Pretty wild if you think about it.
| sillywalk wrote:
| It seems like overkill for just FTP. Although I believe that
| Tandem also was (is?) fairly common in running telco stuff,
| plus billing.
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