SIST EN 301 217-3 V1.1.1:2003

V interfaces at the digital Service Node (SN); Interfaces at the VB5.2 reference point for the support of broadband or combined narrowband and broadband Access Networks (ANs); Part 3: Test Suite Structure and Test Purposes (TSS&TP)

Specification of the Test Suite Structure, Test Purposes, Abstract Test Suite (Test Cases in TTCN), partial PIXIT proforma and conformance testing report proforma for the VB5.2 reference point covering the physical, procedural and protocol requirements between a broadband or combined narrowband & broadband access network and a service node.

Vmesniki V digitalnega storitvenega vozlišča (SN) - Vmesniki na referenčni točki VB5.2 za podporo širokopasovnim ali kombiniranim ozkopasovnim in širokopasovnim dostopovnim omrežjem (AN) - 3. del: Zgradba preskuševalnega niza in nameni preskušanja (TSS&TP)

General Information

• Status: Published
• Publication Date: 31-Oct-2003
• ICS: 35.200 - Interface and interconnection equipment
• Technical Committee: SPN - Services and Protocols for Networks
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Nov-2003
• Due Date: 01-Nov-2003
• Completion Date: 01-Nov-2003
• Ref Project: ETSI EN 301 217-3 V1.1.1 (2000-11) - V interfaces at the digital Service Node (SN); Interfaces at the VB5.2 reference point for the support of broadband or combined narrowband and broadband Access Networks (ANs); Part 3: Test Suite Structure and Test Purposes (TSS&TPP)

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.ãHYDOQHJDV interfaces at the digital Service Node (SN); Interfaces at the VB5.2 reference point for the support of broadband or combined narrowband and broadband Access Networks (ANs); Part 3: Test Suite Structure and Test Purposes (TSS&TP)35.200Vmesniška in povezovalna opremaInterface and interconnection equipmentICS:Ta slovenski standard je istoveten z:EN 301 217-3 Version 1.1.1SIST EN 301 217-3 V1.1.1:2003en01-november-2003SIST EN 301 217-3 V1.1.1:2003SLOVENSKI
STANDARD



SIST EN 301 217-3 V1.1.1:2003



ETSIEN301217-3V1.1.1(2001-01)EuropeanStandard(Telecommunicationsseries)VinterfacesatthedigitalServiceNode(SN);InterfacesattheVB5.2referencepointforthesupportofbroadbandorcombinednarrowbandandbroadbandAccessNetworks(ANs);Part3:TestSuiteStructureandTestPurposes(TSS&TP)SIST EN 301 217-3 V1.1.1:2003



ETSIETSIEN301217-3V1.1.1(2001-01)2ReferenceDEN/SPAN-09047-3KeywordsAN,SN,TSS&TP,Vinterface,VB5interfaceETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:[phone]Fax:[phone]SiretN°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:[e-mail]opartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2001.Allrightsreserved.SIST EN 301 217-3 V1.1.1:2003



ETSIETSIEN301217-3V1.1.1(2001-01)3ContentsIntellectualPropertyRights.5Foreword.5Introduction.51Scope.72References.73Definitionsandabbreviations.83.1Definitions.83.2Abbreviations.84TestSuiteStructure.105TestPurposesdescriptionandnaming.135.1MethodusedforthedescriptionoftheTPs.135.1.1TextformatofTP.135.1.2MSCassociatedtothetextofTP.135.1.3ParametersshowninTP.145.1.4StimulifortheIUT.145.2Testpurposenamingconvention.155.3Preamblesandpostambles.165.3.1Preambledescriptions.165.3.1.1ANistheIUT.165.3.1.2SNistheIUT.245.3.2Postambledescriptions.336TestPurposesdefinitions.336.1ANistheIUT.336.1.1Basiccapabilitytests(CA).336.1.2ConnectionEstablishmentprocedure(CE).346.1.2.1PointtoPointConnectionEstablishmentprocedure.346.1.2.2PointtoMultipointConnectionEstablishmentprocedure.416.1.3ConnectionReleaseprocedure(CR).436.1.3.1SingleConnectionReleaseprocedure.436.1.3.2MultipleConnectionsReleaseprocedure.476.1.4Connectionmodificationprocedure(CM).526.1.4.1Modification(firststep)procedure.526.1.4.2ModificationCompleteprocedure.536.1.4.3ModificationAbortprocedure.556.1.4.4Modificationexceptionalprocedure.566.1.4.5TestoftimerT_Modification.616.1.5BranchEstablishmentprocedure(BE).676.1.5.1AddBranchprocedure.676.1.5.2AddBranchCompleteprocedure.696.1.5.3T_BranchEsttimertest.716.1.5.4Exceptionalprocedure.726.1.6BranchReleaseprocedure(BR).756.1.6.1SingleBranchreleaseprocedure.756.1.6.2MultipleBranchreleaseprocedure.766.1.6.3Exceptionalprocedure.776.1.7Housekeepingprocedure(Reset,Fault).806.1.7.1Resetprocedure.806.1.7.2ANfaultprocedure.846.1.7.3BBCCrestartprocedure.866.1.8CommonErrorHandling(CEH)procedure.916.1.8.1ErrorHandlingonMessageHeader.916.1.8.2ErrorHandlingonInformationElement(IE).98SIST EN 301 217-3 V1.1.1:2003



ETSIETSIEN301217-3V1.1.1(2001-01)46.2SNistheIUT.1016.2.1Basiccapabilitytests(CA).1016.2.2ConnectionEstablishmentprocedure(CE).1026.2.2.1PointtoPointConnectionEstablishmentprocedure.1026.2.2.2PointtoMultipointConnectionEstablishmentprocedure.1086.2.3ConnectionReleaseprocedure(CR).1106.2.3.1SingleconnectionReleaseprocedure.1106.2.3.2MultipleconnectionsReleaseprocedure.1136.2.4Connectionmodificationprocedure(CM).1166.2.4.1Modification(firststep)procedure.1166.2.4.2ModificationCompleteprocedure.1196.2.4.3ModificationAbortprocedure.1216.2.5BranchEstablishmentprocedure(BE).1236.2.5.1AddBranchprocedure.1236.2.5.2AddBranch/Updateprocedure.1266.2.6BranchReleaseprocedure(BR).1286.2.7Housekeepingprocedure(Reset,Fault).1316.2.7.1Resetprocedure.1316.2.7.2ANfaultprocedure.1356.2.7.3BBCCrestartprocedure.1366.2.8CommonErrorHandling(CEH)procedure.1396.2.8.1ErrorHandlingonMessageHeader.1396.2.8.2ErrorHandlingonInformationElement(IE).146AnnexA(informative):PIXITparametersandtheinformativevaluesused.149A.1ParametervaluesasusedintheMSCs.149A.1.1Diagramofconnectionsusedinthetestsuites.149A.1.2TableofPIXITparameters.150A.1.3Transactionidentifiervalues.151A.1.4Timervalues.152AnnexB(informative):ASN.1datadeclarationsfortheBBCCprotocol.153Bibliography.162History.163SIST EN 301 217-3 V1.1.1:2003



ETSIETSIEN301217-3V1.1.1(2001-01)5IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinETSISR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinETSISR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeServicesandProtocolsforAdvancedNetworks(SPAN).Thepresentdocumentispart3ofmulti-partdeliverablecoveringtheinterfacesattheVB5.2referencepointasidentifiedbelow:Part1:"Interfacespecification";Part2:"ProtocolImplementationConformanceStatement(PICS)specification";Part3:"TestSuiteStructureandTestPurposes(TSS&TP)";Part4:"AbstractTestSuite(ATS)specificationandpartialProtocolImplementationeXtraInformationforTesting(PIXIT)".NationaltranspositiondatesDateofadoptionofthisEN:19January2001DateoflatestannouncementofthisEN(doa):30April2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31October2001DateofwithdrawalofanyconflictingNationalStandard(dow):31October2001IntroductionGeneralTheworkonanewbroadbandVBreferencepointconceptwasinitiatedbyETSITechnicalCommitteeSPStoconsider,inco-operationwithothergroupsinvolved,possiblenewstructuresandreferencepointsfortheconnectionofnewbroadbandandcombinednarrowband/broadbandaccessarrangementstoServiceNodes(SN).TheworkwastakenoverbyaspecialexpertsgrouponVB5,workingundertheauspicesofWorkingGroupSPS3,withinETSI.TheVB5referencepointconceptwassplitintotwovariants.ThefirstbasedonanATMcrossconnectwithprovisionedconnectivity,calledtheVB5.1referencepoint,iscontainedinEN301005-1[1].Theother,whichfurtherenableson-demandconnectivitywithintheAN,iscalledtheVB5.2referencepointandisdescribedinEN301217-1[3].SIST EN 301 217-3 V1.1.1:2003



ETSIETSIEN301217-3V1.1.1(2001-01)6RelationshipbetweentheVB5.1andVB5.2referencepointconceptTheVB5.2referencepointextendsthecapabilitiesattheVB5.1referencepointtoincludeon-demandconnectivityintheANunderthecontrolofSN.Inadditiontothemajordifferencegivenabove,themajorcorrespondencebetweentheVB5.1andVB5.2referencepointcanbedescribedas:-bothVB5interfacessupportB-ISDNaswellasnarrowbandandothernon-B-ISDNcustomeraccesstypes;-bothVB5interfacessupportATMmultiplexing/cross-connectingintheANatthevirtualpathand/orvirtualchannellevel.SIST EN 301 217-3 V1.1.1:2003



ETSIETSIEN301217-3V1.1.1(2001-01)71ScopeThepresentdocumentspecifiestheTestSuiteStructureandTestPurposes(TSS&TP)fortestingtheconformityofanimplementationtothespecificationofprotocolBroadbandBearerConnectionControl(BBCC)ofinterfacesattheVB5.2referencepointbetweenanAccessNetwork(AN)andaServiceNode(SN).TheTSS&TPfortestingtheotherprotocolnamedRTMCofinterfacesattheVB5.2referencepointisinEN301005-3[2],asitiscommonwithRTMCatVB5.1referencepoint.ThetestarchitectureproposedhereforthetestingofconformityisalsousedforthedesignoftheMessageSequenceCharts(MSCs)producedastestpurposedocumentation.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]ETSIEN301005-1(V1.1.4):"VinterfacesatthedigitalServiceNode(SN);InterfacesattheVB5.1referencepointforthesupportofbroadbandorcombinednarrowbandandbroadbandAccessNetworks(ANs);Part1:Interfacespecification".[2]ETSIEN301005-3(V1.1.2):"VinterfacesatthedigitalServiceNode(SN);InterfacesattheVB5.1referencepointforthesupportofbroadbandorcombinednarrowbandandbroadbandAccessNetworks(ANs);Part3:TestSuiteStructureandTestPurposes(TSS&TP)specification".[3]ETSIEN301217-1(V1.2.2):"VinterfacesatthedigitalServiceNode(SN);InterfacesattheVB5.2referencepointforthesupportofbroadbandorcombinednarrowbandandbroadbandAccessNetworks(ANs);Part1:Interfacespecification".[4]ETSIEN301217-2(V1.1.3):"VinterfacesatthedigitalServiceNode(SN);InterfacesattheVB5.2referencepointforthesupportofbroadbandorcombinednarrowbandandbroadbandAccessNetworks(ANs);Part2:ProtocolImplementationConformanceStatement(PICS)proformaspecification".[5]ISO/IEC9646-1:"Informationtechnology-Opensystemsinterconnection-Conformancetestingmethodologyandframework-Part1:Generalconcepts".[6]ISO/IEC9646-2:"Informationtechnology-Opensystemsinterconnection-Conformancetestingmethodologyandframework-Part2:Abstracttestsuitespecification".[7]ITU-TRecommendationM.3010:"PrinciplesforaTelecommunicationsmanagementnetwork".[8]ITU-TRecommendationQ.2931:"BroadbandIntegratedServicesDigitalNetwork(B-ISDN)-DigitalSubscriberSignallingSystemNo.2(DSS2)-User-NetworkInterface(UNI)-Layer3specificationforbasiccall/connectioncontrol".[9]ETSIEN300443-1(V1.3.5):"BroadbandIntegratedServicesDigitalNetwork(B-ISDN);DigitalSubscriberSignallingSystemNo.two(DSS2)protocol;B-ISDNuser-networkinterfacelayer3specificationforbasiccall/bearercontrol;Part1:Protocolspecification[ITU-TRecommendationQ.2931(1995),modified]".SIST EN 301 217-3 V1.1.1:2003



ETSIETSIEN301217-3V1.1.1(2001-01)8[10]ETSIEN301067-1(V1.1.3):"BroadbandIntegratedServicesDigitalNetwork(B-ISDN);DigitalSubscriberSignallingSystemNo.two(DSS2)protocol;Connectioncharacteristics;Negotiationduringcall/connectionestablishmentphase;Part1:Protocolspecification[ITU-TRecommendationQ.2962(1996),modified]".[11]ITU-TRecommendationQ.2961.3:"DigitalSubscriberSignallingSystemNo.2-Additionaltrafficparameters:Signallingcapabilitiestosupporttrafficparametersfortheavailablebitrate(ABR)ATMtransfercapability".[12]ITU-TRecommendationQ.2961.5:"DigitalsubscribersignallingsystemNo.2-Additionaltrafficparameters:Additionaltrafficparametersforcelldelayvariationtoleranceindication".[13]ETSIEN301005-4(V1.1.2):"VInterfacesattheDigitalServiceNode(SN);InterfacesattheVB5.1ReferencePointfortheSupportofBroadbandorCombinedNarrowbandandBroadbandAccessNetworks(ANs);Part4:AbstractTestSuite(ATS)andPartialProtocolImplementationeXtraInformationforTesting(PIXIT)ProformaSpecification".[14]ETSIEN301068:"BroadbandIntegratedServicesDigitalNetwork(B-ISDN);DigitalSubscriberSignallingSystemNo.Two(DSS2)Protocol;ConnectionCharacteristics;ATMTransferCapabilityandTrafficParameterIndication".3Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingtermsanddefinitionsapply:-termsdefinedinEN301217-1[3];-termsdefinedinISO/IEC9646-1[5]andinISO/IEC9646-2[6].Inparticular,thefollowingtermsdefinedinISO/IEC9646-1[5]apply:AbstractTestSuite(ATS)ImplementationUnderTest(IUT)PointofControlandObservation(PCO)SystemUnderTest(SUT)ProtocolImplementationConformanceStatement(PICS)3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:AALATMAdaptationLayerAAL-SAPAAL-ServiceAccessPointANAccessNetworkATMAsynchronousTransferModeBBCCBroadbandBearerConnectionControlB-ISDNBroadbandISDNB-ISUPBroadbandISDNSignallingUserPartB-UNIBroadbandUNIBABasic(rate)AccessCPECustomerPremisesEquipmentCPNCustomerPremisesNetworkETEquipmentTerminalFSMFiniteStateMachineIDIdentitySIST EN 301 217-3 V1.1.1:2003



ETSIETSIEN301217-3V1.1.1(2001-01)9IEInformationElementINIInter-NetworkInterfaceISDNIntegratedServicesDigitalNetworkLANLocalAreaNetworkLELocalExchangeLMELayerManagementEntityLMILocalManagementInterfaceLSPLogicalServicePortLUPLogicalUserPortMIBManagementInformationBaseMSCMessageSequenceChartN-ISDNNarrowbandISDNNNINetwork-to-NetworkInterfaceOAMOperationsAdministrationandMaintenancePDHPlesiochronousDigitalHierarchyPDUProtocolDataUnitsPSPPhysicalServicePortPSTNPublicSwitchedTelephoneNetworkPUPPhysicalUserPortQ3"Q"managementinterfacereferencepointasITU-TRecommendationM.3010[7]RTMCRealTimeManagementCo-ordinationSAALSignallingATMAdaptationLayerSAPServiceAccessPointSARSegmentationandReassemblySDHSynchronousDigitalHierarchySDLSpecificationandDescriptionLanguageSDUServiceDataUnitsSNServiceNodeSNIServiceNodeInterfaceSPServicePortSPSSignallingProtocolsandSwitchingSSCFServiceSpecificCo-ordinationFunctionSSCOPServiceSpecificConnectionOrientedProtocolTCTechnicalCommitteesTETerminalEquipmentTMNTelecommunicationManagementNetworkTPTransmissionPathUNIUser-NetworkInterfaceVBBroadband"V"referencepointVCVirtualChannel(ATM)VCCVCConnectionVCCTVCCTerminationVCEVirtualChannelEntityVCIVCIdentifierVCLVCLinkVCMEVCMultiplexEntityVPVirtualPathVPCVPConnectionVPCIVPConnectionIdentifierVPCTVPCTerminationVPEVPEntityVPIVPIdentifierVPLVPLinkVPMEVPMultiplexEntityVUPVirtualUserPortSIST EN 301 217-3 V1.1.1:2003



ETSIETSIEN301217-3V1.1.1(2001-01)104TestSuiteStructureFigure1showsthestructureoftheV5.2BBCCtestsuitewhentheANistheIUT.Figure2showsthestructureoftheV5.2BBCCtestsuitewhentheSNistheIUT.ThefirstlevelisstructuredaccordingtotheBBCCprocedures.Thesecondlevelisstructuredaccordingtotestcategory.Themeaningofthecodesinthetreeisgiveninsubclause5.2.SIST EN 301 217-3 V1.1.1:2003



ETSIETSIEN301217-3V1.1.1(2001-01)11VB5_BBCCANSTCABVCEBITIBVCRBIBVCMBITIBVBEBITIBVBRBIBVHKTICEHBIFigure1:VB5BBCCANTSSSIST EN 301 217-3 V1.1.1:2003



ETSIETSIEN301217-3V1.1.1(2001-01)12VB5_BBCCSNSTCABVCETIBVCRTIBVCMTIBVBETIBVBRTIBVHKTICEHBIFigure2:VB5BBCCSNTSSSIST EN 301 217-3 V1.1.1:2003



ETSIETSIEN301217-3V1.1.1(2001-01)13Invalidbehaviourofthetestercomprises:referencetounknownresources,unknownmessagetype,anderrorsincommonmessagefields(protocoldiscriminator,transactionidentifier,messagelength).BBCCtimertestsandinopportunebehaviourtestsarerelatedtoanumberofspecificBBCCproceduresandthetestsuitehasbeenstructuredaccordingly.NOTE:Toleranceintervalfortimertest.Testsoftimersrelatedtocorrectionoftransmissionerrorsincommunicationwithpeernetworkelement(seeEN301217-1[3]subclause13.6.1.5.3)haveasessentialpurposetocheckthatthetimerfunctionandtheretransmissionfunctionareimplemented.Inthetestsuite,acalibrationofeachtimerisalsoperformed,i.e.alowertimelimitandanuppertimelimitaresetaroundthenominaltimervalueforthereceptionoftheretransmittedmessages.ThePASSverdictisgrantedifreceptionisobservedbetweenthesetwolimits.Theselimitsarechosenbytheimplementer.Thetimeintervaldefinedbytheselimitswillbecalledhereafterthe"toleranceinterval".5TestPurposesdescriptionandnaming5.1MethodusedforthedescriptionoftheTPsEachTPisdescribedusingtextualinformationpresentedinatable.ThistableisfollowedbyanMSCrepresentingthetestscenario.5.1.1TextformatofTPThetabledescribingeachTPisasfollows.TP-Nameisauniqueidentifier,createdaccordingtotheTPnamingconventions(alsothenameofthecorrespondingtestcase)ReferencetotheparagraphnumberofspecificationEN301217-1[3]statingtheconformancerequirementPurposePurposeofthetestperformedagainstarequirementoftheprotocolTestdescriptionInformationonthetestbody,describingactionsandparametersPasscriteriaVisibleactiontobeobservedatPCOtodeclarethattheIUTpassesthetestandconformstothespecificationsSelection"None"orexpressionbasedonEN301217-2[4]PICSandPIXITstatements,usedtoselectordeselectthecorrespondingtestcaseaccordingtotheoptionsoftheimplementation(note)Preamble"None"ornameofthepreambleprocedurebringingtheIUTfromidlestatetothestaterequiredtorunthetestPostamble"None"ornameofthepostambletobringtheIUTbacktoidlestateAdditionaltestingAdditionalinformation,presentinspecification,forpossibleinformaltestingbeyondBBCCprotocol(forinstance,iftesteriscapableofobservation/actionviaadditionalinterfacelikeQ3orsignallinginterfaces)NOTE:Forsometests,anexpressionbasedonPIXITparameterswithbinaryyes/novaluemaybeused.ThismayhappenifthetestcaseshallonlybeselectedwhenaspecificreactionoftheANVB5.2applicationfunctioncanbeexpected(e.g.rejectionofanALLOCrequestwithcause"ATMtransfercapabilitynotsupported").ThismaybeobtainedbysuitablesettingsintheSystemUnderTestcombinedwithsuitableassignmentofPIXITparametervaluesinthemessagessentbythetester.Theexactsettingissystemdependentandoutsidethescopeofthepresentdocument.5.1.2MSCassociatedtothetextofTPForillustrationpurposesaMSCingraphicalformfollowsselectedTPtabulateddescriptions.TheMSCisproducedbyexercisingtheSDLmodel,wheneverpossible.Iftheprocedureisnotmodelled,thenthecorrespondingMSCisdrawnmanually.ThecolumnsidentifiedintheMSCrepresent,fromlefttoright,thetester,theIUT(i.e.theANorSNSystem),andtheVB5.2environmentfunctions.AsanMSCisfocusingonthebodyofthetest,thepreambleisrepresentedbyasingleboxintheMSC.SIST EN 301 217-3 V1.1.1:2003



ETSIETSIEN301217-3V1.1.1(2001-01)14ThefollowingarrowsrepresenttheexchangeofPDUofBBCCprotocolattheVB5.2interface,whichcorrespondstoPCOnamedVB5inthetestsuite.Whenneeded,astimulustoinitiatetheexecutionofaBBCCprocedureisalsodepicted.5.1.3ParametersshowninTPForclaritysake,onlytheparametersmostrelevanttothetestpurposeareshowninthediagram.InadditionandoncertaintestcasesandPDUs,likeRESET_COMPLETE_LSPorBBCC_PRESYNC,theLSPconnectionidentifierisnotshown.ThevaluesoftheseparametersareeitherimposedbythetestbecausetheyarespecifiedbytheBBCCprotocol,ortheyareinformativebecausetheypertaintotheVB5.2applicationfunctions.Inthiscasetheycanbechosenarbitrarilyinrangescompatiblewiththespecifications.Thelistofparameters,forwhichavalueistobeassignedbeforetheexecutionofatestsuite,isincludedinthePIXITproformaoftheBBCCprotocol.AnnexAofthepresentdocumentcontainsacopyofthisPIXITproformaparametertable.Forillustrationpurposes,thisproformatablehasbeencompletedwiththeparametervaluesusedintheMSCsexamplesofthepresentdocument.Allrepresentedparametersaredefinedusingthecorrectformat,usuallyhexadecimal,exceptforthefollowingwhichappearindecimalvalue:-transIdVal;-connRefNoVal;-connRefNos;-branchIdVal;-branchIds;-rejCauseOctet;-protErrCause.5.1.4StimulifortheIUTTheenvironmentoftheANortheSNisusingastimulustoinitiatetheexecutionofaBBCCprocedure.ThesestimuliappearasspecialsignalsintheMSCsassociatedwitheachTestPurpose.Thesesignalsaredescribedheretogetherwiththeirassociatedparameters:-AN_Faulty()generatesAN_FAULT;-SN_ConnEst(connRefNoVal,branchId)generatesALLOCandALLOC_COMP;-SN_Dealloc(connRefNoVal)generatesDEALLOC;-SN_Modify(connRefNoVal)generatesMODIFY;-SN_ModifyComp(connRefNoVal)generatesMODIFY_COMP;-SN_ModifyAbort(connRefNoVal)generatesMODIFY_COMP;-SN_AddBranch(connRefNoVal,branchId)generatesADD_BRANCH;-SN_UpdateBranch(connRefNoVal,branchId)generatesUPDATE_BRANCH;-SN_DropBranch(connRefNoVal,branchId)generatesDROP_BRANCH;-SN_ResetgeneratesBBCC_RESET;-SN_PresyncgeneratesBBCC_PRESYNC.SIST EN 301 217-3 V1.1.1:2003



ETSIETSIEN301217-3V1.1.1(2001-01)155.2TestpurposenamingconventionTheidentifieroftheTPisbuiltaccordingtothefollowingscheme.Table1:TPidentifiernamingconventionschemeIdentifier:VB5_____VB5VB5.2referencepointspecificationBBCCprotocolatinterfaceVB5.2AN:BBCCSystemintheAccessNetworkistheIUTSN:BBCCSystemintheServiceNodeistheIUT=procedureidentifierlike:STStartUpCEConnectionEstablishmentCRConnectionReleaseCMConnectionModifyBEBranchEstablishmentBRBranchReleaseHKHouseKeeping(Reset,Fault)CEHCommonErrorHandling=testcategory:CACapabilitytestsBVValidBehaviourtestsBIInvalidBehaviourtestsTITimertests=sequentialnumber:(01-99)Exampleoftestpurposeandtestcasename:VB5_BBCC_AN_CM_BV_02.SIST EN 301 217-3 V1.1.1:2003



ETSIETSIEN301217-3V1.1.1(2001-01)165.3Preamblesandpostambles5.3.1PreambledescriptionsThepreamblesareusedtobringtheIUTfrompower-onstatetothecorrectstatewhereatestcantakeplace.TheydifferwhethertheIUTisanANoraSN.5.3.1.1ANistheIUTP_AN_start:startstheANconfiguration.AN_EnvironmentTesterAN_IUTMSC VB5_BBCC_P_AN_startBBCC_RESET_ACC({ transIdVal 1 })BBCC_RESET({ transIdVal 1 })Figure3SIST EN 301 217-3 V1.1.1:2003



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