Understanding MIL-STD-882E Software Control Levels for Safety Classification
By
ibobev
A bagel-shaped object. The form is there, the soul isn't.
Summary
The article explains the MIL-STD-882E standard for software control levels, which categorizes software based on how dangerous it can be based on its responsibilities. The standard simplifies to four levels, with the most alarming being when software has direct control of something immediately dangerous if it malfunctions. The next level includes either direct control with a delay before danger occurs, or other scenarios where software can cause harm indirectly.
Key quotes
· 3 pulledThe mil-std-882e standard specifies levels of software control, i.e. how dangerous the software can be based on what it is responsible for.
The most alarming case is when the software has direct control of something that can be immediately dangerous if the software does the wrong thing.
Still dangerous, but slightly less so is either (a) when the software has direct control, but there is a delay between when it does the wrong thing and when it becomes dangerous; or (b)
Article URL: https://entropicthoughts.com/mil-std-882e-software-control
Comments URL: https://news.ycombinator.com/item?id=46315547
Points: 5
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