netlimit is a package that allows to control the bandwidth of the net.Conn connections and the limiter itself. Below is a simplified architecture diagram: Listener ┌───────────────────────────────┐ updates limits │ ├─────────────────────────────────┐ │ │ │ │ │ │ │ │ │ │ │ global limiter │ │ │ ┌─────────────────▼─┐ └──────────────┬────────────────┘ │ │