cisco sce 官方培训教材之三time stamps

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1、SCP-TimeStampsSCA-BB3.0TOI–Jan2006EilonAshkenazi–SCPTMETimeStampsOverviewSeveralelementsgenerateTimeStampsthatwillimpactourReports&DB:SCE–SendsaRDRwithaTimeStampCM–StoretheRDRsinaDBandaddanadditionalTimeStampReporter–GenerateaTimebasedReport/QueryTheSCETheSCEhaveaninternalClock,thisclockinclu

2、detheGMT/UTCtime+theoffsetfromUTC.WhenanoperatorchecktheSCEclockitwillshowtheLocalClock(i.e.UTC+Offset).WhenaRDRisbeensentbytheSCEtotheCM,itwillincludeaUTCbasedtimestamp.ThisTimeStampisinUNIXtime_tformat,whichisthenumberofsecondssincemidnightof1January1970.http://www.minelinks.com/calendar_conv

3、erter.htmlTheSEDifferentRDRshavedifferenttimestamps,dependingontheRDRtype,forexample:TransactionRDR=REPORT_TIME,TIME_FRAMESubscriberUsageRDR=DURATION,END_TIMEBlockingRDR=REPORT_TIMETheSECheckingtheSELocalTimeSE#>shclock16:00:00CETTUENovember272005SE#>shcalendar16:00:00CETTUENovember272005SE#>sh

4、timezoneTimezone:CET.MinutesoffsetfromUTC:60Note:HistoricallytheClock&theCalendarweren'tsynchronized,butitisnotthecaseanymoreRDRREPORT_TIME=1133103600(i.e.27Nov200515:00:00GMT)SCETheCMSincetheCMrunsinaLinux/Solarisenvironment,thereforeithaveit’sownclockandtimezone,whichmaybedifferentthentheoner

5、unningattheSCE.ItisMandatorytoproperlysetupthoseclocks(i.e.SCE&CM).ThiscanbedonebysettingtheCMTZ-Offsetparameter.TheRDRServerprocessestheincomingRDRsastheyarrivefromtheconnectedSCEPlatforms.TheRDRServeraddstoeachRDRthetimestampforwhenitarrivedandtheIDofthesourceSCEPlatform.TheRDRsarethensenttot

6、heCategorizer.InadditiontotheRDRfieldsthatarespecifictoeachRDRtype,thetablesRPT_NUR,RPT_SUR,RPT_PUR,RPT_LUR,andRPT_TRcontaintwouniversalcolumns:RECORD_SOURCEandTIME_STAMP.Thefollowingvaluesareplacedinthesetwouniversalcolumns(fieldnumbers0and1,respectively):RECORD_SOURCE:ContainstheIPaddressofth

7、eSCEthatgeneratedtheRDR.TheIPaddressisin32-bitbinaryformat.TIME_STAMP:TheRDRtimestampassignedbytheCM.ThefieldisinUNIXtime_tformat,whichisthenumberofsecondssincemidnightof1January1970.TheCM–TimeZoneSetting(Version2.x)Weshouldsetupt