BGP Problem on 04/16/2007

Marshall Eubanks tme at multicasttech.com
Thu Apr 19 17:01:10 UTC 2007



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

>
>> -----Original Message-----
>> From: owner-nanog at merit.edu [mailto:owner-nanog at merit.edu] On
>> Behalf Of Warren Kumari
>> Sent: Thursday, April 19, 2007 12:01 PM
>> To: Robert E. Seastrom
>> Cc: Leigh Porter; Jay Hennigan; Andre Oppermann; nanog at merit.edu
>> 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.




More information about the NANOG mailing list