# network/nic/congestion_control.h

## class CongestionControl — public interface

### `explicit CongestionControl(Bytes init_cwnd, Bytes max_cwnd) noexcept;`
### `virtual ~CongestionControl() = default;`
### `Bytes cwnd() const noexcept { ... }`
### `Bytes cwnd_max() const noexcept { ... }`

## class DCQCN — public interface

### `explicit DCQCN(Bytes init_cwnd, Bytes max_cwnd) noexcept;`
### `virtual void update(const Packet& pkt, Time rtt) noexcept override;`

## class NSCC — public interface

### `explicit NSCC(Bytes init_cwnd, Bytes max_cwnd) noexcept;`
### `virtual void update(const Packet& pkt, Time rtt) noexcept override;`