2.2. UDP protocol

2.2.1. Main Features

• The protocol overhead is small and the efficiency is high.

• UDP is connectionless, i.e. there is no need to establish a connection before sending data.

• UDP uses best-effort delivery, i.e. reliable delivery is not guaranteed.

• UDP has no congestion control.

• UDP supports one-to-one, one-to-many, many-to-one and many-to-many interactive communication.

• UDP header overhead is small, only 8 bytes.