Thus, in different applied environments, different solutions to the traversal of NAT/firewall are adopted, for example, ALG method, STUN method, RSIP method, TURN method, MIDCOM method and tunnel traversal method, etc.

• 针对不同应用环境,有多种穿透NAT/防火墙的方案:ALG 方案、STUN 方案、RSIP 方案、TURN 方案、MIDCOM 方案以及隧道穿透方案等。