????:1?????600???:?????????

2????????????

3??????????

4????????

5?????

??????10???????31?????????????? (????????????? ????????????)?????????????????????(???)??????????????????(??????????“????????”)10???????31???

??????“2+3+N”??????,??“???”“???????”2?;“????IP????”“??”“????”3?;???????????????????????????????????????“N”???????????????????10???????

???????????9????,????????200??????????????????????100?????????,?????????????????????IP?????

???????600?????????,??????????????????,????????????

??????????????,????????“???”??????????????50?,?????????????????????????????????????????,???????

“????????????”????????????????????????????????????????????????????????????40??,??????

????IP????????????????????,??????????????????????????????20???????,?????????????IP?????“?????IP??????”??????????“???????????IP??????????????????????”??????

????????????“?????????????????????”????????,??????11?????????,???

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