CCITTE.800(111988)(英)Qualityofserviceand…….pdf

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1、INTERNATIONALTELECOMMUNICATIONUNIONCCITTE.800THEINTERNATIONAL(11/1988)TELEGRAPHANDTELEPHONECONSULTATIVECOMMITTEESERIESE:OVERALLNETWORKOPERATION,TELEPHONESERVICE,SERVICEOPERATIONANDHUMANFACTORSQualityofservices;concepts,models,objectives,dependabilityplanning–Termsanddefinitionsrelat

2、edtothequalityoftelecommunicationservicesQUALITYOFSERVICEANDDEPENDABILITYVOCABULARYReeditionofCCITTRecommendationE.800publishedintheBlueBook,FascicleII.3(1988)NOTES1CCITTRecommendationE.800waspublishedinFascicleII.3oftheBlueBook.ThisfileisanextractfromtheBlueBook.Whilethepresentatio

3、nandlayoutofthetextmightbeslightlydifferentfromtheBlueBookversion,thecontentsofthefileareidenticaltotheBlueBookversionandcopyrightconditionsremainunchanged(seebelow).2InthisRecommendation,theexpression“Administration”isusedforconcisenesstoindicatebothatelecommunicationadministration

4、andarecognizedoperatingagency.©ITU1988,2007Allrightsreserved.Nopartofthispublicationmaybereproduced,byanymeanswhatsoever,withoutthepriorwrittenpermissionofITU.1)RecommendationE.800QUALITYOFSERVICEANDDEPENDABILITYVOCABULARYCONTENTS1Introduction2RelatedRecommendations3Performances3.1S

5、ervicerelatedperformances3.2Itemrelatedperformances4Interruptions5Measuresofperformances5.1Servicesupportperformance5.2Serviceoperabilityperformance5.3Serviceaccessibilityperformance5.4Serviceretainabilityperformance5.5Serveabilityperformance5.6Transmissionperformance6Commonconcepts

6、AnnexA–AlphabeticallistofdefinitionscontainedinthisRecommendation2)1IntroductionAconsistentsetoftermsanddefinitionsisnecessaryforthedevelopmentofRecommendationsintheimportantareasofqualityofserviceandnetworkperformancebythenumerousStudyGroupsresponsiblefortheRecommendations.Terminol

7、ogystandardizationisalsonecessarytoaligntheworkofthevariousgroupsandtoavoidconfusingtheusersofRecommendationsbytheintroductionofconflictingtermsanddefinitions.Therefore,thisRecommendationsetsforthasimplesetoftermsanddefinitionsrelatingtotheconceptofthequalityoftelecommunicationsserv

8、icesandnetworkperfo