Technology readiness level
From Maths
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Alec's technology readiness levels, based on (and very close to) the ESA version.
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Stage | Description | Major description | Comment |
---|---|---|---|
1 | Purpose identified, proposal to investigate formed | Concept / Idea phase | |
2 | Purpose verified | Eg:
| |
3 | Proof of concept / prototype built | "bleeding edge" | |
4 | Prototype tested in "lab" environment | Eg:
| |
5 | Critical functions tested in "lab" environment | Eg:
| |
6 | Prototype now provisional version, and is tested in a relevant environment | "cutting edge" | Provisional version may enter traditional "alpha", "beta" versions. |
7 | Provisional version now a release candidate and is (observed) operating in relevant environment | Release candidate abbreviated RC | |
8 | Accepted for use, "mission ready" or "operational" status achieved. May now be called "stable" | "Stable" / "Mature" | Not yet mature or battle-hardened |
9 | Operationally proven, "battle-hardened", "mature", "tried and tested" | Few improvements (in fact any changes at all) can be expected by this stage. |