?? «??????????2»??
![](http://n.sinaimg.cn/translate/583/w900h483/20181208/sEqh-hprknvt8040107.jpg)
????:1???95?98?:?????????
2?????????
3??????
4?????
5???????????
???????2?13?????????????????????? (??)????????«???»(????«?????????2»)???????????????,?????“??????????????????”??????????????????????
????,??«????2»???????3D?IP??????????????????????????,????????????,?????????????????60??????,????60%????????,??????8000?????
“????????????,????????????????????????‘??????’?????”??,????“????????????”????
??“???”??????,“?????”“«??»???????????????????????”??,??????????????????????????????????????,???10??,?????????IP?????????
“?????????????IP???????????”?????,???????,??IP??
“???IP??????????????,??????”???????,???,??IP????????(?????????) ???????:????????????