p2p文章分享
P2P打洞
https://blog.csdn.net/weixin_43996758/article/details/122898199
https://www.icode9.com/content-4-981592.html
| clientA | ClientB | 结果 | 
|---|---|---|
| nat1 | nat1 | ok | 
| nat1 | nat2 | ok | 
| nat1 | nat3 | ok | 
| nat1 | nat4 | ok | 
| nat2 | nat2 | ok | 
| nat2 | nat3 | ok | 
| nat2 | nat4 | ok | 
| nat3 | nat3 | ok | 
| nat3 | nat4 | false | 
| nat4 | nat4 | false |