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Re: BGP Problem on 04/16/2007

  • From: Robert E. Seastrom
  • Date: Thu Apr 19 13:23:32 2007

"David Temkin" <[email protected]> writes:

>> From: [email protected] [mailto:[email protected]] On 
>> Behalf Of Warren Kumari
>> Yup, Sandia National Labs made a radiation hardened Pentium 
>> and, as far as I remember, was working on a hardened SPARC -- 
>> there was also some work done (AFAIR on PPC) whereby 3 
>> processors would run the same instructions and vote on the output...
>> 
>
>
> Thinking of perhaps Resilience?  http://www.resilience.com/
>
> God, those things were horrid before they realized that the business
> model of assuming "The app will always be OK, the issue will be the
> hardware" was completely misguided.  I forget what the product was named
> at the time, but I'll never forget what a piece of crap it was.

Eh, they're not the only folks to have had
voting-muti-cpu-lockstep-execution hardware platforms.  Stratus did it
for years; the Tandem Integrity S2 (to which I ported Emacs 18.55 many
moons ago) was similar.

                                        ---Rob