{
  "rendezvous_timeout_sec": null,
  "hole_punch_timeout_sec": null,
  "hole_punch_wait_for_other": null,
  "udp_rendezvous_port": null,
  "tcp_rendezvous_port": null,
  "remote_udp_rendezvous_servers": [
    "127.0.0.1:10010",
    "127.0.0.1:10011",
    "127.0.0.1:10012"
  ],
  "remote_tcp_rendezvous_servers": [
    "127.0.0.1:15010",
    "127.0.0.1:15011",
    "127.0.0.1:15012"
  ],
  "udp_hole_punchers": [
    {
      "starting_ttl": 2,
      "ttl_increment_delay_ms": 500
    },
    {
      "starting_ttl": 5,
      "ttl_increment_delay_ms": 500
    },
    {
      "starting_ttl": 10,
      "ttl_increment_delay_ms": 500
    }
  ]
}