�??2�??????????
????2???????????13??????????????????????? (????????????)??????????????????�?????????????�(??�??????2�)?????????,???�??�???
????,??�????????2�????????????3D?IP?????????????,??,????????????????60?????,?????60%????,??8000??????
�???????????????,????????�???????�???�????????????????????????????,????????�??????�?????
??????�??????????�????????,�???���???????�?????????????????????�???,???????????????,???10???,?IP???
�?IP???�?????????,???,?????????IP????????
�?????????IP???????,??????????????????????�??????????????????????,????,??????IP???????????????(???????) ?????:???????????????????????