Acronym · Safety & Security
FFI (Freedom From Interference)
Evidence that elements of different ASILs sharing resources cannot corrupt each other in timing and execution, memory, or exchanged information. It is the precondition for mixed-criticality integration and for ASIL decomposition.
- Also known as
- Freedom from interference
- Type
- Acronym
- Domain
- Safety & Security, Safety analysis
Notes
In practice argued with MPUs, bus firewalls, watchdogs and timing budgets rather than by separating the silicon.
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