a positive test proves Ze does what the requirement demands and a negative one proves it refuses what the requirement forbids
Experimental
RFC 5187 - OSPFv3 Graceful Restart
Every requirement this repository extracted from RFC 5187, the tests bound to it, and what a reader has verified about them. This summary is enrolled and gated by ./le rfc check.
Overview
Positive
what Ze has
the requirement admits no counter-case, so one polarity plus a recorded reason is the whole proof available for it
one direction is tested, the other is neither tested nor excused, and nothing states which
no test carries the requirement id, whether or not a gap states why
a red was observed once under a recorded procedure, and the unit, the claim and the producer it rested on still hash to what was recorded. The break is not re-run. A test pair is not a proof until one has been observed
Neutral
measures that are neither good news nor bad
MUST-level requirements the gate HOLDS. A population, not a result: the shares beside it are what says how Ze stands
a {not-applicable} annotation says the obligation does not bind Ze. Scope, not coverage: it is in no share below
The 4 shares marked as a part above are the whole of the 4 obligations that bind Ze: they add to 100%. Proven by a recorded break is a share of TAGGED UNITS, a different population, so it is not one of them.
How to read the colors
A color names what the measure MEANS, not how well Ze scores on it. Green is a good outcome at any value, red is a bad one, and neither a population nor a scope count is an outcome, so both take no color. The number under the label is what says how far Ze has got.
| Card | Tone here | Why that color |
|---|---|---|
| Gated MUSTs | neutral | no color: a population is a scale, and a larger one is neither good news nor bad. It is the accounting total |
| Out of scope | neutral | no color: an obligation that never bound Ze is neither an achievement nor a failure, and counting it either way would be a claim |
| Tested both ways | ok | green at every value: a test pair is the outcome this gate exists to produce, and the share under the label is what says how far Ze has got |
| One polarity plus reason | ok | green at every value: where no counter-case exists, one polarity IS the complete answer, and a recorded reason is what the gate demands beside it |
| One polarity, unexcused | ok | green at zero, RED above it: half a proof with no reason for the other half |
| No test at all | ok | green at zero, RED above it: a binding obligation nothing exercises is a claim with nothing behind it, whether or not a reason is stated |
| Proven by a recorded break | ok | green at every value: an observed break is the outcome the discrimination gate exists to produce. The denominator is TAGGED UNITS, not obligations, so this share is not one of the parts above |
| Audit verdicts | warn | RED on the first weak, wrong or unimplemented verdict, amber while a verdict is no longer current or a gated MUST is unjudged, green when every one is judged sound and current |
At a glance
| Field | Value |
|---|---|
| Public status | Experimental |
| Enrolment | Enrolled |
| Requirements | 4 |
| Gated MUST-level | 4 |
| Obligations that bind Ze | 4 |
| Not applicable, so out of scope | 0 |
| Declared gaps | 0 |
| Gated with no test | 0 |
| Nightly-only evidence | 0 |
| Test tags | 8 |
| Tagged units | 8 |
| Recorded audit verdicts | 0 |
| Discrimination records | 0 |
| Summary | rfc/short/rfc5187.md |
| Requirement shard | rfc/requirements/rfc5187.md |
| RFC text | rfc/full/rfc5187.txt |
Enrolment
Enrolled: OSPFv3 Graceful Restart: four MUST-level requirements, all met and tested with both polarities. RFC5187-2.2-1 (Grace Period TLV always in a grace-LSA) and RFC5187-2.2-2 (Restart Reason TLV always present) via the shared grace-LSA body codec (internal/plugins/ospf/packet/grace_lsa.go EncodeGraceLSA always emits both, DecodeGraceLSA rejects a body missing either): TestGraceLSARoundTrip (both TLVs round-trip) and TestGraceLSADecodeMissingMandatory (a Reason-only or Period-only body is rejected). Ze originates the OSPFv3 link-scoped grace-LSA (LS Type 0x000B, gr_restarter.go:295-302). RFC5187-3.1-1 (preserve LSA-ID to prefix correspondence across restart) and RFC5187-3.2-1 (preserve OSPFv3 Interface ID across restart) via the NVS preservation maps PrefixLSIDs/InterfaceIDs (internal/plugins/ospf/gr_nvs.go:41-45): TestRestartFactPersistsAcrossRestart (maps read back intact after a restart) and TestStaleRestartFactIgnored (an expired/cleared restart fact is inactive, so stale IDs are not restored). No SHOULD/MAY requirements are gated.
What the public ledger says
Status: Experimental
What the ledger says is covered:
Restarter and helper behavior for OSPFv3.What the ledger says remains:
Same OSPF experimental status.Coverage
| Bucket | Count | What it counts |
|---|---|---|
| Positive and negative tests | 4 | one part of the gated population |
| Annotated instead of tested | 0 | one part of the gated population |
| One polarity only | 0 | one part of the gated population |
| No test and no annotation | 0 | one part of the gated population |
| Evidence that runs nightly only | 0 | an overlay: each of these is also counted by the part it falls in |
| Gated MUST-level requirements | 4 | every gated MUST falls in exactly one bucket above |
Positive and negative tests (4): RFC5187-2.2-1, RFC5187-2.2-2, RFC5187-3.1-1, RFC5187-3.2-1
Requirements
| Requirement | Level | Section | Tests |
|---|---|---|---|
RFC5187-2.2-1 | Grace Period TLV (Type=1, Length=4): "This TLV MUST always appear in a grace-LSA" (§2.2) | ||
| MUST | 2.2 | ||
RFC5187-2.2-2 | Graceful Restart Reason TLV (Type=2, Length=1): "This TLV MUST always appear in a grace-LSA" (§2.2) | ||
| MUST | 2.2 | ||
RFC5187-3.1-1 | "the restarting router MUST preserve the LSA ID to prefix correspondence across graceful restarts" (§3.1) | ||
| MUST | 3.1 | ||
RFC5187-3.2-1 | "the OSPFv3 Interface ID, as described in section 3.1.2 of [OSPFv3], MUST be preserved by the restarting router across restarts" (§3.2) | ||
| MUST | 3.2 | ||
Gaps and untested MUSTs
RFC 5187 declares no gap, and every gated MUST it carries has a test bound to it.
Proof state
A tagged unit reads unproven where no discrimination record exists for it: nothing in this tree has been observed to break it, so the claim its tag makes is unproven.
RFC5187-2.2-1
Grace Period TLV (Type=1, Length=4): "This TLV MUST always appear in a grace-LSA" (§2.2)
Audit verdict: not audited: no reader has judged these tests
| Polarity | Test | Kind and tier | Proof state |
|---|---|---|---|
| negative | TestGraceLSADecodeMissingMandatory |
unit/verify | unproven |
| positive | TestGraceLSARoundTrip |
unit/verify | unproven |
RFC5187-2.2-2
Graceful Restart Reason TLV (Type=2, Length=1): "This TLV MUST always appear in a grace-LSA" (§2.2)
Audit verdict: not audited: no reader has judged these tests
| Polarity | Test | Kind and tier | Proof state |
|---|---|---|---|
| negative | TestGraceLSADecodeMissingMandatory |
unit/verify | unproven |
| positive | TestGraceLSARoundTrip |
unit/verify | unproven |
RFC5187-3.1-1
"the restarting router MUST preserve the LSA ID to prefix correspondence across graceful restarts" (§3.1)
Audit verdict: not audited: no reader has judged these tests
| Polarity | Test | Kind and tier | Proof state |
|---|---|---|---|
| negative | TestStaleRestartFactIgnored |
unit/verify | unproven |
| positive | TestRestartFactPersistsAcrossRestart |
unit/verify | unproven |
RFC5187-3.2-1
"the OSPFv3 Interface ID, as described in section 3.1.2 of [OSPFv3], MUST be preserved by the restarting router across restarts" (§3.2)
Audit verdict: not audited: no reader has judged these tests
| Polarity | Test | Kind and tier | Proof state |
|---|---|---|---|
| negative | TestStaleRestartFactIgnored |
unit/verify | unproven |
| positive | TestRestartFactPersistsAcrossRestart |
unit/verify | unproven |
Extraction sign-off
No extraction sign-off exists for RFC 5187, so no reviewer has walked its text sentence by sentence.
Superseded
No document obsoletes RFC 5187, so its obligations are stated where they were written.