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T6.3: Design exploration for federated reputation gossip

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Add docs/PRD/PRD-relay-federation-gossip.md comparing 3 approaches:
1. Push gossip — relay broadcasts RepeatAbusive verdicts to peers
2. Pull oracle — peers query a reputation oracle periodically
3. Ban-list distribution — admin signs and pushes authoritative list

For each: wire format, Sybil resistance, convergence, storage,
partition tolerance, failure modes. Open questions block implementation
(trust model, privacy leakage, key infrastructure). Move T6.3 to Blocked
pending reviewer design call.
This commit is contained in:
Siavash Sameni
2026-05-12 19:13:31 +04:00
parent 086d0a4845
commit 1e729e4b1d
4 changed files with 305 additions and 4 deletions
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docs/PRD/reports/T6.1-report.md
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@@ -110,7 +110,6 @@ $ cargo clippy -p wzp-video --all-targets -- -D warnings
1. **Full I420 decode in dav1d** — Currently copies only Y plane. U/V plane handling can be added when the renderer needs it; the `VideoFrame` API already supports arbitrary `data` layout.
2. **Android device validation (T6.1.1)** — Same deferred status as T4.3.1.1. Needs physical Android 10+ device with AV1 HW support.
3. **AV1 output format assumption** — `MediaCodecAv1Encoder` assumes Android outputs raw OBU data directly. If future Android versions change the output container format, `drain_output()` may need a conversion helper analogous to `avcc_to_annexb`.
4. **Full I420 decode in dav1d** — Currently copies only Y plane. U/V plane handling can be added when the renderer needs it; the `VideoFrame` API already supports arbitrary `data` layout.
## Reviewer checklist (filled in by reviewer)