V interfaces at the digital Service Node (SN); Interfaces at the VB5.1 reference point for the support of broadband or combined narrowband and broadband Access Networks (ANs); Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification

PIXIT proforma and ATS for DE/SPS-03046-1.

Vmesniki V digitalnega storitvenega vozlišča (SN) - Vmesniki v referenčni točki VB5.1 za podporo širokopasovnega ali kombiniranega ozkopasovnega in širokopasovnega dostopovnega omrežja (AN) - 4. del: Abstraktni preskušalni niz (ATS) in delna dodatna informacija za preskušanje izvedbe protokola (PIXIT) - Proforma specifikacije

General Information

Status
Published
Publication Date
31-Aug-2001
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Sep-2001
Due Date
01-Sep-2001
Completion Date
01-Sep-2001
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.LQV interfaces at the digital Service Node (SN); Interfaces at the VB5.1 reference point for the support of broadband or combined narrowband and broadband Access Networks (ANs); Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification35.200Vmesniška in povezovalna opremaInterface and interconnection equipmentICS:Ta slovenski standard je istoveten z:EN 301 005-4 Version 1.1.2SIST EN 301 005-4:2001en01-september-2001SIST EN 301 005-4:2001SLOVENSKI
STANDARD



SIST EN 301 005-4:2001



ETSIEN301005-4V1.1.2(2000-05)EuropeanStandard(Telecommunicationsseries)VinterfacesatthedigitalServiceNode(SN);InterfacesattheVB5.1referencepointforthesupportofbroadbandorcombinednarrowbandandbroadbandAccessNetworks(ANs);Part4:AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecificationSIST EN 301 005-4:2001



ETSIETSIEN301005-4V1.1.2(2000-05)2ReferenceDEN/SPS-09046-4KeywordsAN,B-ISDN,ISDN,SN,PSTN,Vinterface,V5interface,VB5interface,ATS,PIXITETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:+33492944200Fax:+33493654716SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:http://www.etsi.orgThepresentdocumentmaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableathttp://www.etsi.org/tb/status/Ifyoufinderrorsinthepresentdocument,sendyourcommentto:editor@etsi.frCopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 301 005-4:2001



ETSIETSIEN301005-4V1.1.2(2000-05)3ContentsIntellectualPropertyRights.5Foreword.5Introduction.51Scope.72References.73Definitionsandabbreviations.83.1Definitions.83.2Abbreviations.84Testarchitecture.94.1AbstractTestMethod(ATM).94.2Scopeoftestpurposesandadditionaltesting.105ATSconventions.115.1Namingconventions.115.1.1Declarationspart.115.1.1.1Testsuitetypeandstructuredtypedefinitions"ByReference".115.1.1.2TestsuiteconstantdeclarationsByReference.115.1.1.3Testsuiteparameterdeclarations.125.1.1.4Testcaseselectionexpressiondefinitions.125.1.1.5Testsuitevariabledeclarations.125.1.1.6Timerdeclarations.125.1.1.7ASPtypedefinitions.125.1.1.8Aliasdefinitions.125.1.2Constraintsnaming.125.1.3Dynamicpart.135.1.3.1Testcaseidentifier.135.1.3.2Preambleidentifier.145.1.3.3Postambleidentifier.145.1.3.4Defaultidentifier.14AnnexA(normative):ATSforVB5.1interface.15A.1TheTTCNGraphicalform(TTCN.GR).15A.2TheTTCNMachineProcessableform(TTCN.MP).15AnnexB(normative):PartialPIXITproformaforVB5.1interface.16B.1Identificationsummary.16B.2ATSsummary.16B.3Testlaboratory.16B.4Clientidentification.16B.5SUT.17B.6Protocollayerinformation.17B.6.1Protocolidentification.17B.6.2IUTinformation.17B.6.2.1Implicitsendevents.17B.6.2.2Parametervalues.18SIST EN 301 005-4:2001



ETSIETSIEN301005-4V1.1.2(2000-05)4AnnexC(normative):ProtocolConformanceTestReport(PCTR)proformawhentestingAN.19C.1Identificationsummary.19C.1.1Protocolconformancetestreport.19C.1.2IUTidentification.19C.1.3Testingenvironment.19C.1.4Limitsandreservation.20C.1.5Comments.20C.2IUTconformancestatus.20C.3Staticconformancesummary.20C.4Dynamicconformancesummary.21C.5Staticconformancereviewreport.21C.6Testcampaignreport.22C.7Observations.23AnnexD(normative):ProtocolConformanceTestReport(PCTR)proformawhentestingSN.24D.1Identificationsummary.24D.1.1Protocolconformancetestreport.24D.1.2IUTidentification.24D.1.3Testingenvironment.24D.1.4Limitsandreservation.25D.1.5Comments.25D.2IUTconformancestatus.25D.3Staticconformancesummary.25D.4Dynamicconformancesummary.26D.5Staticconformancereviewreport.26D.6Testcampaignreport.27D.7Observations.29AnnexE(normative):ASN.1datadefinitionsforRTMCprotocol.30Bibliography.37History.38SIST EN 301 005-4:2001



ETSIETSIEN301005-4V1.1.2(2000-05)5IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinSR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinSR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeSignallingProtocolsandSwitching(SPS).Thepresentdocumentispart4ofamulti-partENcoveringVinterfacesatthedigitalServiceNode(SN);InterfacesattheVB5.1referencepointforthesupportofbroadbandorcombinednarrowbandandbroadbandAccessNetworks(ANs)asidentifiedbelow:Part1:"Interfacespecification";Part2:"ProtocolImplementationConformanceStatement(PICS)proformaspecification";Part3:"TestSuiteStructureandTestPurposes(TSS&TP)specification";Part4:"AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecification".NationaltranspositiondatesDateofadoptionofthisEN:28April2000DateoflatestannouncementofthisEN(doa):31July2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31January2001DateofwithdrawalofanyconflictingNationalStandard(dow):31January2001IntroductionGeneralTheworkonanewbroadbandVBreferencepointconceptwasinitiatedbyETSITechnicalCommitteeSPStoconsiderpossiblenewstructuresandreferencepointsfortheconnectionofnewbroadbandandcombinednarrowband/broadbandaccessarrangementstoServiceNodes(SN),inco-operationwithotherTCs.TheVB5referencepointconcept,basedonITU-TRecommendationG.902[8],wassplitintotwovariants.ThefirstvariantbasedonanATMcross-connectwithprovisionedconnectivity,calledtheVB5.1referencepoint,isdescribedinthepresentdocument.Theothervariantwhichfurtherenableson-demandconnectivitywithintheAN,calledtheVB5.2referencepoint,iscoveredbyEN301217-1[10].SIST EN 301 005-4:2001



ETSIETSIEN301005-4V1.1.2(2000-05)6RelationshipbetweentheVB5.1andVB5.2referencepointconceptsVB5.2extendsthecapabilitiesattheVB5.1referencepointtoincludeon-demandconnectivityintheANunderthecontrolofSN.ThemajorcommonfeaturesbetweentheVB5.1andVB5.2interfacesare:-bothVB5interfacessupportB-ISDNaswellasnarrowbandandothernon-B-ISDNcustomeraccesstypes;-bothVB5interfacessupportATMmultiplexing/cross-connectingintheANattheVPand/orVClevel.ItisanticipatedthattheRealTimeManagementCo-ordination(RTMC)protocolfortheVB5.1referencepointwillbeasubsetoftheRTMCprotocolfortheVB5.2referencepoint.SIST EN 301 005-4:2001



ETSIETSIEN301005-4V1.1.2(2000-05)71ScopeThepresentdocumentspecifiestheAbstractTestSuite(ATS),theAbstractTestMethod(ATM),ATSconventions,thepartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformafortestingtheconformityofanimplementationtothespecificationofinterfacesattheVB5.1referencepointbetweenanAccessNetwork(AN)andaServiceNode(SN).Aproformaforthetestingreport(PCTR)isalsoincluded.Thereareinfacttwoseparatetestsuites,aswellastwoPCTRproformas,oneversionfortestingtheAN,theotheronefortestingtheSN.TheATSisbasedontheTestSuiteSpecification&TestPurposesspecifiedinEN301005-3[3].2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]ETSIEN301005-1(V1.1):"VinterfacesatthedigitalServiceNode(SN);InterfacesattheVB5.1referencepointforthesupportofbroadbandorcombinednarrowbandandbroadbandAccessNetworks(ANs);Part1:Interfacespecification".[2]ETSIEN301005-2(V1.1):"VinterfacesatthedigitalServiceNode(SN);InterfacesattheVB5.1referencepointforthesupportofbroadbandorcombinednarrowbandandbroadbandAccessNetworks(ANs);Part2:ProtocolImplementationConformanceStatement(PICS)proformaspecification".[3]ETSIEN301005-3(V1.1):"VinterfacesatthedigitalServiceNode(SN);InterfacesattheVB5.1referencepointforthesupportofbroadbandorcombinednarrowbandandbroadbandAccessNetworks(ANs);Part3:TestSuiteStructureandTestPurposes(TSS&TP)specification".[4]ISO/IEC9646-1:"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part1:Generalconcepts".[5]ISO/IEC9646-2:"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part2:Abstracttestsuitespecification".[6]ISO/IEC9646-3:"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part3:TheTreeandTabularCombinedNotation(TTCN)".[7]ISO/IEC9646-6:"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part6:Protocolprofiletestspecification".[8]ITU-TRecommendationG.902:"FrameworkRecommendationonfunctionalaccessnetworks(AN)-Architectureandfunctions,accesstypes,managementandservicenodeaspects".[9]ITU-TRecommendationM.3010:"PrinciplesforaTelecommunicationsmanagementnetwork".[10]ETSIEN301217-1:"VinterfacesatthedigitalServiceNode(SN);InterfacesattheVB5.2referencepointforthesupportofbroadbandorcombinednarrowbandandbroadbandAccessNetworks(ANs);Part1:Interfacespecification".SIST EN 301 005-4:2001



ETSIETSIEN301005-4V1.1.2(2000-05)83Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingdefinitionsapply:-termsdefinedinEN301005-1[1];-termsdefinedinISO/IEC9646-1[4]andinISO/IEC9646-2[5].Inparticular,thefollowingtermsdefinedinISO/IEC9646apply:AbstractTestSuite(ATS)AbstractTestMethod(ATM)ImplementationConformanceStatement(ICS)ImplementationUnderTest(IUT)ImplementationeXtraInformationforTesting(IXIT)LowerTester(LT)PICSproformaPIXITproformaPointofControlandObservation(PCO)ProtocolImplementationConformanceStatement(PICS)ProtocolImplementationeXtraInformationforTesting(PIXIT)ServiceAccessPoint(SAP)SinglePartyTesting(SPyT)SystemUnderTest(SUT)UpperTester(UT)TTCN.GRTTCN.MPProtocolConformanceTestReport(PCTR)PCTRproforma3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:AALATMAdaptationLayerAAL-SAPAAL-ServiceAccessPointANAccessNetworkATMAsynchronousTransferModeB-ISDNBroadbandISDNB-ISUPBroadbandISDNSignallingUserPartB-UNIBroadbandUNIBABasic(rate)AccessCPECustomerPremisesEquipmentCPNCustomerPremisesNetworkETEquipmentTerminalFSMFiniteStateMachineIDIdentityIEInformationElementINIInter-NetworkInterfaceISDNIntegratedServicesDigitalNetworkLANLocalAreaNetworkLELocalExchangeLMELayerManagementEntityLMILocalManagementInterfaceLSPLogicalServicePortLUPLogicalUserPortMIBManagementInformationBaseSIST EN 301 005-4:2001



ETSIETSIEN301005-4V1.1.2(2000-05)9MSCMessageSequenceChartN-ISDNNarrowbandISDNNNINetwork-to-NetworkInterfaceOAMOperationsAdministrationandMaintenancePDHPlesiochronousDigitalHierarchyPDUProtocolDataUnitsPSPPhysicalServicePortPSTNPublicSwitchedTelephoneNetworkPUPPhysicalUserPortQ3"Q"managementinterfacereferencepointasITU-TRecommendationM.3010[9]RTMCRealTimeManagementCo-ordinationSAALSignallingATMAdaptationLayerSAPServiceAccessPointSARSegmentationandReassemblySDHSynchronousDigitalHierarchySDLSpecificationandDescriptionLanguageSDUServiceDataUnitsSNServiceNodeSNIServiceNodeInterfaceSPServicePortSPSSignallingProtocolsandSwitchingSSCFServiceSpecificCo-ordinationFunctionSSCOPServiceSpecificConnectionOrientedProtocolTCTechnicalCommitteesTETerminalEquipmentTMNTelecommunicationManagementNetworkTPTransmissionPathUNIUser-NetworkInterfaceVBBroadband"V"referencepointVCVirtualChannel(ATM)VCEVirtualChannelEntityVPVirtualPathVPCVPConnectionVPCIVPConnectionIdentifierVPCI-CCVPConnectionIdentifier-ConsistencyCheckVPIVPIdentifierVPLVPLink4Testarchitecture4.1AbstractTestMethod(ATM)ThissubclausedescribestheAbstractTestMethod(ATM)andthePointofControlandObservation(PCO)usedtotesttheVB5.1RTMCprotocolfortheANandSNcomponents.TheremotetestmethodisusedforVB5.1RTMCconformancetesting,sincetheVB5.1implementationsarenotmandatedtoofferadirectaccesstotheupperserviceboundary(i.e.tothe"mee"serviceprimitives).Theco-ordinationprocedurescanonlybeexpressedinaninformalway.SIST EN 301 005-4:2001



ETSIETSIEN301005-4V1.1.2(2000-05)10SUTVB5RTMCPDUsServiceProviderDLL&PHLlayersLTControlandDLconnectionendpointsVB5TestSystemIUTVB5-RTMCDL-DATAPCO/DSAPUTFigure1:RemotesinglelayertestmethodappliedtotheVB5.1RTMCtestingLT:ALowerTester(LT)islocatedintheVB5.1testsystem.ItcontrolsandobservesthebehaviouroftheIUT.DSAP:AuniqueDatalinkServiceAccessPoint(DSAP)isdefinedattheVB5.1interfaceandcommonlyusedforexchangingservicedataoftheRTMCprotocolfunctionalentities.PCO:ThePCOforRTMCtestingislocatedontheDSAP.AlltesteventsatthePCOarespecifiedintermsofdatalinkAbstractServicePrimitives(ASPs)andnetworklayerPDUs.UT:NoexplicitUpperTester(UT)existsinthetestsystem.However,theSUTneedstocarryoutsomeUTfunctionstoachievesomeeffectsoftestco-ordinationprocedures.DesigningATS,thecapabilityofthesystemmanagementfunctions,suchascontrolsoftheIUT,itsinteractionswiththeQ3interfacemaybetakenintoaccount.ThecontrolsoftheIUTwillbeimpliedorinformallyexpressedintheATS,butnoassumptionshallbemaderegardingtheirfeasibilityorrealization.AnexampleofsuchcontrolscouldbetoprovokestartupoftheIUTthroughtheQ3interface.VB5-RTMC:ThePDUconveyingthisinformationwillbetransferredtoandfromthetesterviaasingle,dedicatedvirtualconnection.4.2ScopeoftestpurposesandadditionaltestingBehaviourwhichcannotbefullycontrolledandobservedviatheRTMCprotocolalone,suchasthecheckingofcompletionofcertainactionsofthesystemonthemanagedresources,hasbeenincluded,whenappropriate,inindividualVB5.1testpurposesinanadditionalrequirementsection.Takingtheexampleofblocking,aneedmayarisetoverifythatthestatusofaresourcehasactuallybeenchanged,asspecifiedinthestandard,bycheckingthatitcannolongerbeallocatedtoacall.ThismayrequiretheexecutionofacallattemptviathesignallingprotocolsataUNIorNNI.SuchtestpurposesarenottestableinthescopeoftheRTMCprotocolalone.Anarchitecturehastobedefinedforsystemleveltestsrequiringthecombinationoftwoormoreinterfacesorprotocols.SuchtestsareoutsidethescopeoftheATSforRTMC.TheapproachtakenistoappendashortdescriptionofsuchrequirementstotherelatedRTMCtestpurposes.TheactualtestingoftheserequirementscanonlybeperformedifadditionalmeansareprovidedtoaccessinternaldatawhichcannotbeinterrogatedviaRTMCprocedures.Onewayofperformingthisistouseanad-hoctesterloadedintotheSUT,ifavailable.Thisisnottypicallythecase.AgenericapproachistoconsiderthatanysystemoftheNetworkElementtypecomprisesseveralinterfacesandprotocols,eachofwhichisfirsttestedattheindividualprotocollevel.Theseteststypicallyhavetoleaveoutanumberofrequirementswhicharenottestablewithinasingleprotocol.Asecondhierarchicalleveloftesting(seefigureB2)couldcoverasubstantialnumberofsuchrequirementsbycheckinginteractionsbetweentwoormoreprotocolswhichhavepassedindividualconformancetesting.Thisishoweveroutsidethescopeofthepresenttestingstandard.SIST EN 301 005-4:2001



ETSIETSIEN301005-4V1.1.2(2000-05)11ANorSNSystemTestDSS-2ProtocolRTMCProtocolQ3PlaneMan.ProtocoVB5.1Figure2:ExampleofhierarchicaltestarchitectureappliedbeyondVB5.1testingNOTE:Theexampleofblockingdescribedaboveisanillustrationofsuchanapproach.ItcouldalsobeappliedinextendingthetestingoftheQ3managementprotocolbeyondthemerereceptionofanacknowledgementattheQ3interface:thefullexecutionablockingrequestissuedfromtheOperationSystemcouldbecheckedviaDDS-2toverifythattheresourceisactuallyblocked,andviaRTMCtoverifythatrealtimeco-ordinationbetweenANandSNhastakenplace.5ATSconventionsThisclausedescribestheconventionsappliedtodefinetheATSandgivesthenamingconventionschosenforthedifferentelementsoftheATS.TheATSconventionsareintendedtogiveabetterunderstandingoftheATSbuttheydescribealsotheconventionsmadeforthedevelopmentoftheATS,thusforanylatermaintenancepurposesorfurtherdevelopmentoftheATS,theconventionsdescribedinthisclauseshallbeconsidered.5.1Namingconventions5.1.1DeclarationspartThissubclausedescribesthenamingconventionschosenfortheelementsoftheATSdeclarationspart.5.1.1.1Testsuitetypeandstructuredtypedefinitions"ByReference"Inordertoavoidmisalignmentproblemswiththestandard,allthetypesusedinthisATShavebeendefinedbyreference.ThesameASN1file(RTMCMessages)containingthestandardtypedefinitionshasbeenusedasmodulecontainingthereferencedtypedefinitions.EXAMPLE:TypeNameTypeReferenceModuleIdentifierAwaitClearAwaitClearRTMCMessages5.1.1.2TestsuiteconstantdeclarationsByReferenceInordertoavoidmisalignmentproblemswiththestandard,alltheconstantsusedinthisATShavebeendefinedbyreference.ThesameASN.1fileRTMCMessagescontainingthestandardconstantdefinitionshasbeenusedasmodulecontainingthereferencedtypedefinitions.SIST EN 301 005-4:2001



ETSIETSIEN301005-4V1.1.2(2000-05)12EXAMPLE:ConstantNameTypeValueReferenceModuleIdentifierconnLUPBIT_STRINGconnLUPRTMCMessages5.1.1.3TestsuiteparameterdeclarationsThetestsuiteparameteridentifiersarecomposedofstringsinuppercaselettersandseparatedbyunderscores.IfthetestsuiteparameterreferencesaPIXITitem,theprefix"PIX_"isused.EXAMPLE:PIX_LSP_VPCI_15.1.1.4TestcaseselectionexpressiondefinitionsThetestcaseselectionexpressionsarebasedonPICSorPIXITtestsuiteparameterdefinitions.EXAMPLE:PIX_automatic_loopback_results5.1.1.5TestsuitevariabledeclarationsThetestsuitevariableidentifiersarecomposedofstringinlowercaselettersstartingbythelowercasestring"tsv_".EXAMPLE:TSV_transId5.1.1.6TimerdeclarationsTwokindsoftimerscanbedistinguished:1)standardized:Thosedefinedinthestandard,e.g.T_block.,usethesamenameasinthestandard,beginningwithacapital"T".theirdurationisdefinedinthePIXITundersamename,forexamplePIX_T_block.2)fortestingsupervision:Inordertocontrolthedurationofindividualtestrelatedtotimeoutofstandardizedtimertests,aspecifictimeranditsduration,PIX_T_supervision,isdefined.5.1.1.7ASPtypedefinitionsASPdefinitionsfollowthespecificationwhenacorrespondingdefinitionexists.ForexampleRESET_RSCisused.Ifnotspecified,afreenameisused.EXAMPLE:msg_too_short.5.1.1.8AliasdefinitionsNoaliasdefinitionsareusedinthetestsuite.5.1.2ConstraintsnamingThissubclausedescribesthenamingconventionschosenfortheelementsoftheATSconstraintspart.Constraintidentifierscommencewithlowercasec,followedbytheASP_TYPE,possiblyfollowedbyothermnemonicswhichcompleteitsdefinition,likeLSPorLUPwhenbasedonasomePDU,followedbyanumericalvaluelike001,002,etc.WhentheconstraintisbasedonaPDU,thetransactionIdvaluecontainedinthePDUisconsideredasavariableandthisvalueisnottakenintoaccountforthedefinitionoftheconstraintname.SIST EN 301 005-4:2001



ETSIETSIEN301005-4V1.1.2(2000-05)13Table1TypeDefinitionConstraintDefinitionExampleUNBLOCK_RSCc_UNBLOCK_RSC_LSP_002UNBLOCK_RSCc_UNBLOCK_RSC_LUP_004REQ_LSPIDc_REQ_LSPID_0025.1.3DynamicpartThissubclausedescribesthenamingconventionschosenfortheelementsoftheATSdynamicpart.5.1.3.1TestcaseidentifierThereisaone-to-onemappingbetweentheTestPurposesandthetestcases.TheidentifierofaTCanditscorrespondingTestPurposeisdescribedintable2.Table2:TPidentifiernamingconventionschemeIdentifier:VB5_____VB5VB5.1referencepointspecificationRTMCprotocolatinterfaceANAccessNetworkistheIUTSNServiceNodeistheIUT=procedureidentifierlikeSTStartUpBRBlockingResourceURUnblockingResourceSRShutdownResourceCCVPCIConsistencyCheckVLSVerifyLSPId(SNinitiated)VLAVerifyLSPId(ANinitiated)RLSResetLSPId(SNinitiated)RLAResetLSPId(ANinitiated)RVSResetVPC(SNinitiated)RVAResetVPC(ANinitiated)CEHCommonErrorHandling=testcategory:CACapabilitytestsBVValidBehaviourtestsBIInvalidBehaviourtestsBOInopportuneBehaviourtestsTITimertests=sequentialnumber:(01-99)Exampleoftestcasename:VB5_RTMC_AN_CC_BV_02SIST EN 301 005-4:2001



ETSIETSIEN301005-4V1.1.2(2000-05)145.1.3.2PreambleidentifierApreambledefinesasetofTTCNstatementsneededtoinitializetheIUTthencarrytheIUTtoaparticularstateoraparticularcallconfigurationsituationfromwhichthetestcaseshallstart.PreamblesarecalledStartupANorStartupSN.Inaddition,aStartbuSNisdefinedwhenthetestrequirestosetaspecificVPCIbusypriortothetest.5.1.3.3PostambleidentifierThereisnopostambledefined,aseachnewtestisbeginningbyacompletereset,itcannotbecorruptedbysideeffectsofthepreviousexecutedtest.5.1.3.4DefaultidentifierAdefaultisasetofTTCNstatementscalledhereOtherwiseFail,whichisusedtocompletethebehaviourtreerelatedtothetestcase.ItcoverssomedifferentalternativesbringingthetestcasetoaFAILorINCONCLUSIVEverdict.SIST EN 301 005-4:2001



ETSIETSIEN301005-4V1.1.2(2000-05)15AnnexA(normative):ATSforVB5.1interfaceThisATShasbeenproducedusingtheTreeandTabularCombinedNotation(TTCN)ac
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