NAT, stun, turn and ice.

Quick Start:

1: Start the Server.

$ cd .../ice/server
$ dub run

2: Start first client.

$ cd .../ice/examples/client
$ dub run

3: Start second client. (Reopen a terminal)

$ cd .../ice/examples/client
$ dub run

4: In the two client, follow the prompts to enter "menu" or other content.

5: If the tests are not normal on local host, you can deploy server on the internet public network server and modify the client configuration file at the same time.