NATP

NATP is a tool for nat punchthrough. It contains two parts, first is turn client (for nat punchthrough), second is signaling client (Room system).

Easy to modifiy, if you have a socket server & client (UDP, TCP, SSL...), you can easily put NATP into your project.

Before Start

server with public IP address (AWS, GCP)
Install turn on the server, recommand coturn
[Option] install NATP Signaling Server on the server

Examples

Unity - Mirro NATPTransport

(Api Compatibility Level => .NET4.x)

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Referrence