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punktfunk/tools/loss-harness/README.md
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enricobuehler 78e74f6ceb docs: rework client/crate READMEs, add missing ones
Rework the client READMEs to be accurate and inviting to first-time
visitors, and fill in the gaps where crates and tools had none.

- Rewrite clients/{apple,android,decky} READMEs (features-first, trim
  dense internal narrative; drop the stale "one session at a time" /
  "renegotiation not implemented" section from the Apple README).
- Add READMEs for clients/{linux,windows,probe}, which had none.
- Add crate READMEs for punktfunk-host, punktfunk-core, pf-driver-proto.
- Add brief READMEs for tools/{loss-harness,latency-probe}.
- Fix packaging/README duplicate "Option B" heading (bootc -> Option C).
- Fix docs-site/README stale docs/ -> design/ reference.
- De-stale packaging/windows/drivers/pf-dualsense README (drop "M0 spike"
  / external-checkout framing; reflect in-tree workspace + shipped +
  installer-bundled + multi-pad), keeping the driver-authoring lore.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-01 19:31:06 +00:00

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Markdown

# loss-harness
A **FEC loss-resilience sweep** for [`punktfunk-core`](../../crates/punktfunk-core/README.md). It
drives access units through the in-process loopback at increasing packet-loss rates — for **both** FEC
schemes (GF(2⁸) and GF(2¹⁶)) — and reports how many frames survive.
It's a pure-software stand-in for `tc netem`: no network, no root, runs anywhere `punktfunk-core`
builds. Use it to sanity-check the FEC before reaching for the real `punktfunk/1` harness (which adds
`tc netem` jitter/reorder on the UDP path).
```sh
cargo run -p loss-harness # from the repo root
```
Part of the measurement tooling (design/implementation-plan §10), alongside
[`latency-probe`](../latency-probe/README.md).