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Re: BGP Problem on 04/16/2007

  • From: Marshall Eubanks
  • Date: Thu Apr 19 13:09:00 2007


On Apr 19, 2007, at 12:52 PM, David Temkin wrote:


-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of Warren Kumari
Sent: Thursday, April 19, 2007 12:01 PM
To: Robert E. Seastrom
Cc: Leigh Porter; Jay Hennigan; Andre Oppermann; [email protected]
Subject: Re: BGP Problem on 04/16/2007



On Apr 19, 2007, at 10:17 AM, Robert E. Seastrom wrote:



With certain susceptible Sun CPUs which were popular during
the last
sunspot maxima, this was actually demonstrably true (and
acknowledged
by Sun), so don't laugh too hard. 

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...



There is a radiation hardened Pwwer PC -

http://www.klabs.org/DEI/Processor/PowerPC/index.htm

You need this for space flight qualified hardware. Up there, cosmic ray bit flips
and stuck bits are a common occurrence.

Regards
Marshall




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.