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Vertica V3?



 
 
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Old January 10th 13, 04:25 PM posted to rec.aviation.soaring
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Default Vertica V3?

On Thursday, January 10, 2013 1:40:30 PM UTC, son_of_flubber wrote:
Windows CE deliberately limits functionality and utility to maximize stability and reliability. Android has constantly expanded functionality and utility and in theory that complexity, and frequent revision and extension of the kernel reduces stability and reliability. At the very least, it introduces the possibility of a code defect slipping in; a defect that could possibly lead to a critical flight computer error. The probability of that happening is unquantifiable, but non-zero.

...
Stability and reliability are primary goals of sensible flight related computing. That's why NASA's Space Shuttle used computers and software long frozen in decades past. The old stuff was indisputably stable and reliable. It was old, but not antiquated. Using Windows CE follows a similar proven strategy.


An interesting analogy. The number of unmanned spacecraft losses from software issues is nothing short of spectacular, and the Shuttle and Apollo programmes had their share of hazardous software issues during missions.

There's an awful lot of factors that have to come together to create a stable system, and very little substitute for intensive testing under diverse conditions. That's one thing that mass-market Android devices have in spades..
 




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