Application Layer Protocol Negotiation (ALPN) for Session Traversal Utilities for NAT (STUN)

An Application Layer Protocol Negotiation (ALPN) label for the Session Traversal Utilities for NAT (STUN) protocol is defined in this document to allow the application layer to negotiate STUN within the Transport Layer Security (TLS) connection. The STUN ALPN protocol identifier applies to both TLS and Datagram Transport Layer Security (DTLS).