SIST EN 301 217-3 V1.1.1:2003
(Main)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
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
STANDARDSIST 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.:+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.©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
ETSI...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.