Improving UDP Hole Punching
Peer-to-peer connections are increasingly valuable but often difficult to establish due to restrictive NAT behavior or the widespread use of Carrier Grade NAT (CG-NAT). Enhancing these techniques benefits applications such as online gaming and real-time audio or video communication.
The work presented below introduces an approach that greatly improves the ability to form direct connections when the NAT device supports a TFTP protocol ALG helper.