# Unified communication for IoT clients

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The backends interface was introduced to support different connection methods. Each backend should provide the way to establish bidirectional connection for exchanging binary data with devices.

**IMPORTANT NOTE**: Async runtime feature should be selected explicitly.

## Supported features

* __futures__ Use [futures](https://docs.rs/futures/) only
* __tokio__ Use [tokio](https://docs.rs/tokio/) runtime
* __async-std__ Use [async-std](https://docs.rs/async-std/) runtime

## Built-in backends

* _unicom-tcp_ TCP socket connection
* _unicom-unix_ Unix-domain socket connection
* _unicom-serial_ Serial port connection