???????????????????

????????????譴???????????2?????С?

?????????????????????(100*15%*7+100*70%*5+100*15%*3)*2=300???/??

???????????????????300/160=1.875???/??

???????????????????(18750*80%)/(8*20%*3600)=2.60??/??

????????????￡???÷???????????????????????3??/??

????3.2??????????

????3.2.1?????????????????????

????1)???繃?????????????????????????????????????100M??????????????????10/100M???????

????2)??????IBM XSeries250(1G???)PC Server??Microsoft Cluster??????????

????Windows 2000 Advance Server??Microsoft Cluster Server(MSCS)??

????3)?????????????????????????????IBM XSeries??????????Oracle8.1.6?????? ?????Oracle

????Fail Safe(ofs)??Active/Passive???á? ?????????????????????(????VisiBroker??BDE

????Administrator)??

????4)??????????÷?????????

????5)??????PC????10?(P??600/128M RAM)??

????3.2.2???????????????д????????????????Delphi??д?????????????????1????

????1)???????????????÷????????????????????????????????????????????????????????????????????10???????????????????????????????????????;?????

????????????????1??????;???????????????????1??????;??????????????????10????????????????????????????????????????

????2)???????????????趨????PC???????е??????????????????????????(??λ??????)?????????(??λ??С?)??

????3)????????н??????????????????????????????д???????????????????????÷????????????????????????????????????????????????????????????????????????????????????????????TEST_LOG?????????MACHINE??ID??START_TIME??END_TIME??FLAG??