Opinions on safety of dropbox ???

[Rob Seastrom]

I see what they did there.  Four is the minimum to handle the
Byzantine Generals problem.  Same as NTP.

http://en.wikipedia.org/wiki/Quantum_Byzantine_agreement

-r

Tom Azlin W7SUA <tom at nilza.org> writes:

> Nope.
>
> Another reference also said 4 voters plus a spare that could do launch
> and landing.
>
> http://www.nasa.gov/mission_pages/shuttle/flyout/flyfeature_shuttlecomputers.html
>
> "The networked computers are set up so that four are operational and
> one is a backup that could fly the launch and entry if the others
> failed. The computers receive their information from a host of sensors
> and actuators throughout the orbiter, external fuel tank and solid
> rocket boosters. "  And any three could lock out the 4th.
>
> 73, tom w7sua
>
> On 8/9/2014 9:54 AM, Mike O'Dell wrote:
>> OK - obviously that's wrong.
>> 3 voters + 1 alternate
>>
>>    -mo
>
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