rfc3410.Introduction and Applicability Statements

NetworkWorkingGroupJ.CaseRequestforComments:3410SNMPResearch,Inc.Obsoletes:2570R.MundyCategory:InformationalNetworkAssociatesLaboratoriesD.PartainEricssonB.StewartRetiredDecember2002IntroductionandApplicabilityStatementsforInternetStandardManagementFrameworkStatusofthisMemoThismemoprovidesinformationfortheInternetcommunity.ItdoesnotspecifyanInternet-standardofanykind.Distributionofthismemoisunlimited.CopyrightNoticeCopyright(C)TheInternetSociety(2002).AllRightsReserved.AbstractThepurposeofthisdocumentistoprovideanoverviewofthethirdversionoftheInternet-StandardManagementFramework,termedtheSNMPversion3Framework(SNMPv3).ThisFrameworkisderivedfromandbuildsuponboththeoriginalInternet-StandardManagementFramework(SNMPv1)andthesecondInternet-StandardManagementFramework(SNMPv2).ThearchitectureisdesignedtobemodulartoallowtheevolutionoftheFrameworkovertime.ThedocumentexplainswhyusingSNMPv3insteadofSNMPv1orSNMPv2isstronglyrecommended.ThedocumentalsorecommendsthatRFCs1157,1441,1901,1909and1910beretiredbymovingthemtoHistoricstatus.ThisdocumentobsoletesRFC2570.Case,et.al.Informational[Page1]RFC3410ApplicabilityStatementsforSNMPDecember2002TableofContents1Introduction.................................................22TheInternetStandardManagementFramework...................32.1BasicStructureandComponents.............................42.2ArchitectureoftheInternetStandardManagementFramework.43TheSNMPv1ManagementFramework..............................53.1TheSNMPv1DataDefinitionLanguage........................63.2ManagementInformation.....................................63.3ProtocolOperations........................................73.4SNMPv1SecurityandAdministration.........................74TheSNMPv2ManagementFramework..............................85TheSNMPv3WorkingGroup.....................................86SNMPv3FrameworkModuleSpecifications.......................106.1DataDefinitionLanguage...................................116.2MIBModules................................................126.3ProtocolOperationsandTransportMappings.................136.4SNMPv3SecurityandAdministration.........................137DocumentSummaries...........................................147.1StructureofManagementInformation........................147.1.1BaseSMISpecification...................................157.1.2TextualConventions......................................157.1.3ConformanceStatements...................................167.2ProtocolOperations........................................167.3TransportMappings.........................................167.4ProtocolInstrumentation...................................177.5Architecture/SecurityandAdministration.................177.6MessageProcessingandDispatch(MPD)......................177.7SNMPApplications..........................................187.8User-basedSecurityModel(USM)............................187.9View-basedAccessControl(VACM)...........................197.10SNMPv3CoexistenceandTransition.........................198StandardizationStatus.......................................208.1SMIv1Status...............................................208.2SNMPv1andSNMPv2StandardizationStatus...................218.3WorkingGroupRecommendation...............................229SecurityConsiderations......................................2210References..................................................2211Editor’sAddresses..........................................2612FullCopyrightStatement....................................271.IntroductionThisdocumentisanintroductiontothethirdversionoftheInternet-StandardManagementFramework,termedtheSNMPversion3ManagementFramework(SNMPv3)andhasmultiplepurposes.Case,et.al.Informational[Page2]RFC3410ApplicabilityStatementsforSNMPDecember2002First,itdescribestherelationshipbetweentheSNMPversion3(SNMPv3)specificationsandthespecificationsoftheSNMPversion1(SNMPv1)ManagementFramework,theSNMPversion2(SNMPv2)ManagementFramework,andtheCommunity-basedAdministrativeFrameworkforSNMPv2.Second,itprovidesaroadmaptothemultipledocumentswhichcontaintherelevantspecifications.Third,thisdocumentprovidesabriefeasy-to-readsummaryofthecontentsofeachoftherelevantspecificationdocuments.Thisdocumentisintentionallytutorialinnatureand,assuch,mayoccasionallybeguiltyofoversimplification.Intheeventofaconflictorcontradictionbetweenthisdocumentandthemoredetaileddocumentsforwhichthisdocumentisaroadmap,thespecificationsinthemoredetaileddocumentsshallprevail.Further,thedetaileddocumentsattempttomaintainseparationbetweenthevariouscomponentmodulesinordertospecifywell-definedinterfacesbetweenthem.Thisroadmapdocument,however,takesadifferentapproachandattemptstoprovideanintegratedviewofthevariouscomponentmodulesintheinterestofreadability.ThisdocumentisaworkproductoftheSNMPv3WorkingGroupoftheInternetEngineeringTaskForce(IETF).ThekeywordsMUST,MUSTNOT,REQUIRED,SHALL,SHALLNOT,SHOULD,SHOULDNOT,RECOMMENDED,MAY,andOPTIONALinthisdocumentaretobeinterpretedasdescribedinBCP14,RFC2119[1].2.TheInternetStandardManagementFrame