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# Algorand Specifications

Algorand uses a [fork](https://github.com/algorand/websocket) of [gorilla websocket](https://github.com/gorilla/websocket) (`v1.4.2`), to implement the Relay Network.

Relevant changes:

- Header size and read limits,
  - `connection.ReadMessage()` [is marked as unsafe](https://github.com/gorilla/websocket/compare/main...algorand:websocket:master#diff-4f427d2b022907c552328e63f137561f6de92396d7a6e8f6c2ea1bcf0db52654R1176) to avoid explosively compressed messages.
- Server is `TLSServer`,
- Message compression,
- Mutexes for multithreading,
- Connection closing without flushing, and a thread flusher,
- Tests and benchmark over additions.

> Further details refer to the [fork](https://github.com/gorilla/websocket/compare/main...algorand:websocket:master).

Algorand uses [go-libp2p library](https://github.com/libp2p/go-libp2p) (building from the `latest` release), to implement the Peer-to-Peer network.

> See `libp2p` [specifications](https://github.com/libp2p/specs) for detailed documentation on this external package.