CCITTF.600(111988)(英)Serviceandoperationalprinciples…….pdf

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1、INTERNATIONALTELECOMMUNICATIONUNIONCCITTF.600THEINTERNATIONAL(11/1988)TELEGRAPHANDTELEPHONECONSULTATIVECOMMITTEESERIESF:NON-TELEPHONETELECOMMUNICATIONSERVICESDatatransmissionservicesServiceandoperationalprinciplesforpublicdatatransmissionservicesReeditionofCCITTRecommendati

2、onF.600publishedinBlueBook,FascicleII.5(1989)NOTES1CCITTRecommendationF.600waspublishedinFascicleII.5oftheBlueBook.ThisfileisanextractfromtheBlueBook.WhilethepresentationandlayoutofthetextmightbeslightlydifferentfromtheBlueBookversion,thecontentsofthefileareidenticaltotheBl

3、ueBookversionandcopyrightconditionsremainunchanged(seebelow).2InthisRecommendation,theexpression“Administration”isusedforconcisenesstoindicatebothatelecommunicationadministrationandarecognizedoperatingagency.©ITU1988,2007Allrightsreserved.Nopartofthispublicationmaybereprodu

4、ced,byanymeanswhatsoever,withoutthepriorwrittenpermissionofITU.RecommendationF.600SERVICEANDOPERATIONALPRINCIPLESFORPUBLICDATATRANSMISSIONSERVICES1Introduction1.1ScopeTheseprovisionsfixtherulestobefollowedforInternationalPublicDataTransmissionServices.1.2DefinitionThedefini

5、tionof«publicdatatransmissionservice»isadatatransmissionserviceestablishedandoperatedbyadministrationandprovidedbymeansofapublicnetwork.Circuitswitched,packetswitched,andleasedcircuitdatatransmissionservicesarespecified.Note1–Apublicdatatransmissionservicemaybesubdividedint

6、oderivedservices.Note2–Apublicdatatransmissionserviceoraderivedserviceconsistsofserviceelementsformingabasicserviceandofotherserviceelementswhicharecalledoptionaluserfacilities.Note3–ThereisanimplicitdefinitionofdatatransmissionservicesinRecommendationsX.1andX.2.1.3Issuesof

7、anessentiallytechnicalnatureconcerningInternationalPublicDataTransmissionServicesaredealtwithinotherCCITTRecommendations.1.4IssuesofanessentiallytechnicalnatureconcerningcompatibilityofterminalsandconnectedequipmentaredealtwithinRecommendationsA.20andA.21.2Terms2.1datatrans

8、missionrelationsAdatatransmissionrelationbetweentwoterminalcountriesexistswhenther