# Fault Tolerance / Cost

> "fault-tolerance" (correctness-core layer) is traded against "Cost" (structural-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Cost" and choosing an explicit operating point.

Record: `tension:cost-fault-tolerance`
Kind: tension
Canonical: https://banes-lab.com/ontology/schema#tension-cost-fault-tolerance

## tensions-with

- [Fault Tolerance](https://banes-lab.com/records/arch/fault-tolerance.md)
- [Cost](https://banes-lab.com/records/lex/cost.md)