????:1?????VX????:??????

2?????????

3????????

4????????

5??????????

??7?30??????????? (?????????????? ???????????)???????,?????????????????29???????????,??????

????????,??,?????????????,??

????????,29?????,??????????????????(PCRF)??????????,???12?????????,????????????????????3????6???????10????

?????????????????????,????,????????????,??????????

????7???????????????24???????,15???????????,???????13???????,?????????,?????????,?????3???17????????????????

???10???,????????,?????????????????????????,??????????????????1?????????????,????????????,?????????????????????????????

7????????????????????24????????????15?????,????????,?????27???,??????????????????????????????7??????????????????,??????????????(????????????) ????????:??