ETSI EN 301 217-4 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 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT)

DEN/SPAN-09047-4

Vmesniki V digitalnega storitvenega vozlišča (SN) - Vmesniki na referenčni točki VB5.2 za podporo širokopasovnim ali kombiniranim ozkopasovnim in širokopasovnim dostopovnim omrežjem (AN) - 4. del: Abstraktni preskuševalni niz (ATS) in dodatna informacija za preskušanje delne izvedbe protokola (PIXIT)

General Information

• Status: Published
• Publication Date: 24-Jan-2001
• Technical Committee: SPAN 9 - Access Networks and Service Node Interfaces
• Current Stage: 12 - Completion
• Due Date: 26-Jan-2001
• Completion Date: 25-Jan-2001
• Ref Project: SIST EN 301 217-4 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 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT)

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.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 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT)35.200Vmesniška in povezovalna opremaInterface and interconnection equipmentICS:Ta slovenski standard je istoveten z:EN 301 217-4 Version 1.1.1SIST EN 301 217-4 V1.1.1:2003en01-november-2003SIST EN 301 217-4 V1.1.1:2003SLOVENSKI
STANDARD
ETSIEN301217-4V1.1.1(2001-01)EuropeanStandard(Telecommunicationsseries)VinterfacesatthedigitalServiceNode(SN);InterfacesattheVB5.2referencepointforthesupportofbroadbandorcombinednarrowbandandbroadbandAccessNetworks(ANs);Part4:AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)SIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)2ReferenceDEN/SPAN-09047-4KeywordsAN,ATS,PIXIT,SN,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 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)3ContentsIntellectualPropertyRights.5Foreword.5Introduction.51Scope.72References.73Definitionsandabbreviations.83.1Definitions.83.2Abbreviations.94Testarchitecture.104.1AbstractTestMethod(ATM).104.2Scopeoftestpurposes/testcasesandadditionaltesting.115ATSconventions.125.1Namingconventions.125.1.1Declarationspart.125.1.1.1Testsuitetypeandstructuredtypedefinitions-ByReference.125.1.1.2Testsuiteparameterdeclarations.125.1.1.3Testcaseselectionexpressiondefinitions.125.1.1.4Testcasevariabledeclarations.125.1.1.5Timerdeclarations.125.1.1.6ASPtypedefinitions.135.1.1.7PDUnames.135.1.2Constraintsnaming.145.1.3Simplifiedrepresentationofparametersinconstraints.145.1.4Dynamicpart.145.1.4.1Testcaseidentifier.145.1.4.2Preambleidentifier.155.1.4.3Postambleidentifier.165.1.4.4Defaultidentifier.16AnnexA(normative):ATSforBBCCatVB5.2interface.17A.1TheTTCNGraphicalform(TTCN.GR).17A.2TheTTCNMachineProcessableform(TTCN.MP).17AnnexB(normative):PartialPIXITproformaforBBCCatVB5.2interface.18B.1Identificationsummary.18B.2ATSsummary.18B.3Testlaboratory.18B.4Clientidentification.18B.5SUT.19B.6Protocollayerinformation.19B.6.1Protocolidentification.19B.6.2IUTinformation.20B.6.2.1StimulifortheIUT.20B.6.2.2PIXITParametervalues.21SIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)4AnnexC(normative):ProtocolConformanceTestReport(PCTR)proformawhentestingBBCCinAN.23C.1Identificationsummary.23C.1.1Protocolconformancetestreport.23C.1.2IUTidentification.23C.1.3Testingenvironment.23C.1.4Limitsandreservation.24C.1.5Comments.24C.2IUTconformancestatus.24C.3Staticconformancesummary.24C.4Dynamicconformancesummary.25C.5Staticconformancereviewreport.25C.6Testcampaignreport.26C.7Observations.27AnnexD(normative):ProtocolConformanceTestReport(PCTR)proformawhentestingBBCCinSN.28D.1Identificationsummary.28D.1.1Protocolconformancetestreport.28D.1.2IUTidentification.28D.1.3Testingenvironment.28D.1.4Limitsandreservation.29D.1.5Comments.29D.2IUTconformancestatus.29D.3Staticconformancesummary.29D.4Dynamicconformancesummary.30D.5Staticconformancereviewreport.30D.6Testcampaignreport.31D.7Observations.32AnnexE(informative):ASN.1datadefinitionsfortheAbstractTestSuite.33AnnexF(informative):ExtendedSDLprocessdiagramsforBBCCprotocol.41History.42SIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(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).Thepresentdocumentispart4ofamulti-partstandardcoveringtheinterfacesattheVB5.2referencepointasdescribedbelow:Part1:"Interfacespecification";Part2:"ProtocolImplementationConformanceStatement(PICS)specification";Part3:"TestSuiteStructureandTestPurposes(TSS&TP)";Part4:"AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)".NationaltranspositiondatesDateofadoptionofthisEN:19January2001DateoflatestannouncementofthisEN(doa):30April2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31October2001DateofwithdrawalofanyconflictingNationalStandard(dow):31October2001IntroductionGeneralTheworkonanewbroadbandVBreferencepointconceptwasinitiatedbyETSITechnicalCommitteeSPStoconsiderpossiblenewstructuresandreferencepointsfortheconnectionofnewbroadbandandcombinednarrowband/broadbandaccessarrangementstoServiceNodes(SN),inco-operationwithotherTCs.TheVB5referencepointconcept,basedonITU-TRecommendationG.902[8],wassplitintotwovariants.ThefirstvariantbasedonanATMcross-connectwithprovisionedconnectivity,calledtheVB5.1referencepoint,isdescribedinthepresentdocument.Theothervariantwhichfurtherenableson-demandconnectivitywithintheAN,calledtheVB5.2referencepoint,isbyEN301217-1[1].SIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)6RelationshipbetweentheVB5.1andVB5.2referencepointconceptsVB5.2extendsthecapabilitiesattheVB5.1referencepointtoincludeon-demandconnectivityintheANunderthecontrolofSN.ThemajorcommonfeaturesbetweentheVB5.1andVB5.2interfacesare:-bothVB5interfacessupportB-ISDNaswellasnarrowbandandothernon-B-ISDNcustomeraccesstypes;-bothVB5interfacessupportATMmultiplexing/cross-connectingintheANattheVPand/orVClevel.TheRealTimeManagementCo-ordination(RTMC)protocoliscommonfortheVB5.1andtheVB5.2referencepoints.SIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)71ScopeThepresentdocumentspecifiestheAbstractTestSuite(ATS),theAbstractTestMethod(ATM),ATSconventions,thepartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformafortestingtheconformityofanimplementationtotheBBCCspecificationofinterfacesattheVB5.2referencepointbetweenanAccessNetwork(AN)andaServiceNode(SN).Aproformaforthetestingreport(PCTR)isalsoincluded.Thereareinfacttwoseparatetestsuites,aswellastwoPCTRproformas,oneversionfortestingtheconformityofanANimplementation,theotheroneforaSN.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]ETSIEN301217-1(V1.2.2):"VinterfacesatthedigitalServiceNode(SN);InterfacesattheVB5.2referencepointforthesupportofbroadbandorcombinednarrowbandandbroadbandAccessNetworks(ANs);Part1:Interfacespecification".[2]ETSIEN301217-2(V1.1.3):"VinterfacesatthedigitalServiceNode(SN);InterfacesattheVB5.2referencepointforthesupportofbroadbandorcombinednarrowbandandbroadbandAccessNetworks(ANs);Part2:ProtocolImplementationConformanceStatement(PICS)proformaspecification".[3]ETSIEN301217-3(V1.1.1):"VinterfacesatthedigitalServiceNode(SN);InterfacesattheVB5.2referencepointforthesupportofbroadbandorcombinednarrowbandandbroadbandAccessNetworks(ANs);Part3:TestSuiteStructureandTestPurposes(TSS&TP)".[4]ETSIETS300406(1995):"MethodsforTestingandSpecification(MTS);Protocolandprofileconformancetestingspecifications;Standardizationmethodology".[5]ISO/IEC9646-1:"Informationtechnology-Opensystemsinterconnection-Conformancetestingmethodologyandframework-Part1:Generalconcepts".[6]ISO/IEC9646-2:"Informationtechnology-Opensystemsinterconnection-Conformancetestingmethodologyandframework-Part2:Abstracttestsuitespecification".[7]ISO/IEC9646-7:"Informationtechnology-Opensystemsinterconnection-Conformancetestingmethodologyandframework-Part7:ProtocolImplementationConformanceStatement".[8]ITU-TRecommendationG.902:"FrameworkRecommendationonfunctionalaccessnetworks(AN)Architectureandfunctions,accesstypes,managementandservicenodeaspects".[9]ISO/IEC9646:"Informationtechnology-Opensystemsinterconnection-Conformancetestingmethodologyandframework".[10]ITU-TRecommendationM.3010:"PrinciplesforaTelecommunicationsmanagementnetwork".[11]ITU-TRecommendationQ.2931:"BroadbandIntegratedServicesDigitalNetwork(B-ISDN)-DigitalSubscriberSignallingSystemNo.2(DSS2)-User-NetworkInterface(UNI)-Layer3specificationforbasiccall/connectioncontrol".SIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)8[12]ETSIEN300443-1(V1.3.5):"BroadbandIntegratedServicesDigitalNetwork(B-ISDN);DigitalSubscriberSignallingSystemNo.two(DSS2)protocol;B-ISDNuser-networkinterfacelayer3specificationforbasiccall/bearercontrol;Part1:Protocolspecification[ITU-TRecommendationQ.2931(1995),modified]".[13]ETSIEN301067-1(V1.1.3):"BroadbandIntegratedServicesDigitalNetwork(B-ISDN);DigitalSubscriberSignallingSystemNo.two(DSS2)protocol;Connectioncharacteristics;Negotiationduringcall/connectionestablishmentphase;Part1:Protocolspecification[ITU-TRecommendationQ.2962(1996),modified]".[14]ITU-TRecommendationQ.2961.3:"DigitalSubscriberSignallingSystemNo.2-Additionaltrafficparameters:Signallingcapabilitiestosupporttrafficparametersfortheavailablebitrate(ABR)ATMtransfercapability".[15]ITU-TRecommendationQ.2961.5:"DigitalsubscribersignallingsystemNo.2-Additionaltrafficparameters:Additionaltrafficparametersforcelldelayvariationtoleranceindication".[16]ETSIEN301005-4(V1.1.2):"VInterfacesattheDigitalServiceNode(SN);InterfacesattheVB5.1ReferencePointfortheSupportofBroadbandorCombinedNarrowbandandBroadbandAccessNetworks(ANs);Part4:AbstractTestSuite(ATS)andPartialProtocolImplementationeXtraInformationforTesting(PIXIT)ProformaSpecification".[17]ETSIEN301068:"BroadbandIntegratedServicesDigitalNetwork(B-ISDN);DigitalSubscriberSignallingSystemNo.Two(DSS2)Protocol;ConnectionCharacteristics;ATMTransferCapabilityandTrafficParameterIndication".3Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingdefinitionsapply:-termsdefinedinEN301217-1[1];-termsdefinedinISO/IEC9646-1[5]andinISO/IEC9646-2[6].Inparticular,thefollowingtermsdefinedinISO/IEC9646[9]apply: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)PCTRproformaSIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)93.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:AALATMAdaptationLayerAAL-SAPAAL-ServiceAccessPointANAccessNetworkATMAsynchronousTransferModeBBCCBroadbandBearerConnectionControlB-ISDNBroadbandISDNB-ISUPBroadbandISDNSignallingUserPartB-UNIBroadbandUNIBABasic(rate)AccessCPECustomerPremisesEquipmentCPNCustomerPremisesNetworkETEquipmentTerminalFSMFiniteStateMachineIDIdentityIEInformationElementINIInter-NetworkInterfaceISDNIntegratedServicesDigitalNetworkLANLocalAreaNetworkLELocalExchangeLMELayerManagementEntityLMILocalManagementInterfaceLSPLogicalServicePortLUPLogicalUserPortMIBManagementInformationBaseMSCMessageSequenceChartN-ISDNNarrowbandISDNNNINetwork-to-NetworkInterfaceOAMOperationsAdministrationandMaintenancePDHPlesiochronousDigitalHierarchyPDUProtocolDataUnitsPSPPhysicalServicePortPSTNPublicSwitchedTelephoneNetworkPUPPhysicalUserPortQ3"Q"managementinterfacereferencepointasITU-TRecommendationM.3010[10]RTMCRealTimeManagementCo-ordinationSAALSignallingATMAdaptationLayerSAPServiceAccessPointSARSegmentationandReassemblySDHSynchronousDigitalHierarchySDLSpecificationandDescriptionLanguageSDUServiceDataUnitsSNServiceNodeSNIServiceNodeInterfaceSPServicePortSPSSignallingProtocolsandSwitchingSSCFServiceSpecificCo-ordinationFunctionSSCOPServiceSpecificConnectionOrientedProtocolTCTechnicalCommitteesTETerminalEquipmentTMNTelecommunicationManagementNetworkTPTransmissionPathUNIUser-NetworkInterfaceVBBroadband"V"referencepointVCVirtualChannel(ATM)VCCVCConnectionVCCTVCCTerminationVCEVirtualChannelEntitySIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)10VCIVCIdentifierVCLVCLinkVCMEVCMultiplexEntityVPVirtualPathVPCVPConnectionVPCIVPConnectionIdentifierVPCTVPCTerminationVPEVPEntityVPIVPIdentifierVPLVPLinkVPMEVPMultiplexEntityVUPVirtualUserPort4Testarchitecture4.1AbstractTestMethod(ATM)ThisclausedescribestheAbstractTestMethod(ATM)andthePointofControlandObservation(PCO)usedtotesttheVB5.2BBCCprotocolfortheANandSNcomponents.TheremotetestmethodisusedforVB5.2BBCCconformancetesting,sincetheVB5.2implementationsarenotmandatedtoofferadirectaccesstotheupperserviceboundary(i.e.tothe"mee"and"cee"serviceprimitives).Theco-ordinationprocedurescanonlybeexpressedinaninformalway.SUTServiceProviderDLL&PHLlayersLTControlandDLconnectionendpointsVB5TestSystemIUTVB5-RTMCDL-DATAPCO/DSAPUTVB5BBCCPDUsFigure1:RemotesinglelayertestmethodappliedtotheVB5.2BBCCtestingLT:ALowerTester(LT)islocatedintheVB5.2testsystem.ItcontrolsandobservesthebehavioursoftheIUT.DSAP:AuniqueDatalinkServiceAccessPoint(DSAP)isdefinedattheVB5.2interfaceandcommonlyusedforexchangingservicedataoftheBBCCprotocolfunctionalentities.PCO:ThePCOforBBCCtestingislocatedontheDSAP.AlltesteventsatthePCOarespecifiedintermsofdatalinkAbstractServicePrimitives(ASPs)andnetworklayerPDUs.UT:NoexplicitUpperTester(UT)existsinthetestsystem.However,theSUTneedstocarryoutsomeUTfunctionstoachievesomeeffectsoftestco-ordinationprocedures.DesigningATS,thecapabilityoftheVB5.2applicationfunctionsmaybetakenintoaccount.ThecontrolsoftheIUTwillbeimpliedorinformallyexpressedintheATS,butnoassumptionshallbemaderegardingtheirfeasibilityorrealization.AnexampleofsuchinformalcontrolscouldbetoprovokestartupoftheIUTintheSN.AnexampleofimpliedcontrolsistheautomaticresponseofVB5.2applicationfunctionsintheAN.SIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)11VB5-BBCC:ThePDUconveyingthisinformationwillbetransferredtoandfromthetesterviaasingle,dedicatedvirtualconnection.4.2Scopeoftestpurposes/testcasesandadditionaltestingThespecifiedIUTbehaviourcannotbefullycontrolledandobservedviaasinglePCO.Additionaltestingisthusrequiredtocoversuchbehaviour(insomecasesashortdescriptionofsuchadditionaltestingrequirementshasbeenappendedtotherelatedBBCCtestpurposes).Theactualtestingoftheserequirementscanonlybeperformedifadditionalmeansareprovidedtoaccessinternaldata,whichcannotbeinterrogatedviaBBCCmessages.Onewayofperformingthisistouseanad-hoctesterloadedintotheSUT,ifavailable.Thisisnottypicallythecase.ApracticalapproachistoconsiderthatanyNetworkElementcomprisesseveralprotocolinterfaces,eachofwhichisfirsttestedattheindividualprotocollevel(again,theseteststypicallyhavetoleaveoutanumberofprotocolrequirements,ifaremotetestmethodisused).Asecondhierarchicalleveloftesting(seefigure2)couldcoverasubstantialnumberofsuchuntestedrequirementsbycheckinginteractionsbetweentwoormoreprotocols,whichhavepassedindividualconformancetesting.Thisishoweveroutsidethescopeofthepresentdocument.ANorSNSystemTestDSS-2ProtocolProtocolQ3PlaneMan.ProtocolBBCCVB5.2(note1)NOTE:TheDSS-2protocolisnotterminatedintheAN.Figure2:ExampleofhierarchicaltestarchitectureappliedbeyondVB5.2testingSIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)125ATSconventionsThisclausedescribestheconventionsappliedtodefinetheATSandgivesthenamingconventionschosenforthedifferentelementsoftheATS.TheATSconventionsareintendedtogiveabetterunderstandingoftheATSbuttheydescribealsotheconventionsmadeforthedevelopmentoftheATS,thusforanylatermaintenancepurposesorfurtherdevelopmentoftheATS,theconventionsdescribedinthisclauseshallbeconsidered.5.1Namingconventions5.1.1DeclarationspartThisclausedescribesthenamingconventionschosenfortheelementsoftheATSdeclarationspart.5.1.1.1Testsuitetypeandstructuredtypedefinitions-ByReferenceInordertoavoidmisalignmentproblemswiththestandard,allthetypesusedinthisATShavebeendefinedbyreference.ThesameASN1filecontainingthestandardtypedefinitionshasbeenusedasmodulecontainingthereferencedtypedefinitions.EXAMPLE:TypeNameTypeReferenceModuleIdentifierTransIdTransIdDataModule5.1.1.2TestsuiteparameterdeclarationsThetestsuiteparameteridentifiersarecomposedofstringsinuppercaselettersandseparatedbyunderscores.IfthetestsuiteparameterreferencesaPIXITitem,theprefix"PIX_"isused.EXAMPLE:ParameterNameTypePIX_LSP_VPCI_1VPCI5.1.1.3TestcaseselectionexpressiondefinitionsThetestcaseselectionexpressionsarebasedonPICSorPIXITtestsuiteparameterdefinitions.EXAMPLE1:PIC_AN_multipointtakingthevalueTRUEorFALSE,basedonaPICSstatement.EXAMPLE2:PIX_MODIFY_COMP_REJtakingthevalueTRUEorFALSE,basedonaPIXITstatement.5.1.1.4TestcasevariabledeclarationsThetestcasevariableidentifiersarecomposedofstringinlowercaselettersstartingbythelowercasestring"TCV_".EXAMPLE:TCV_transIdVal5.1.1.5TimerdeclarationsSeveralkindsoftimerscanbedistinguished:1)standardized:Thosedefinedinthestandard,e.g.T_Alloc,usethesamenameasinthestandard,beginningwithacapital"T".TheirdurationisdefinedinthePIXITundersamename,forexamplePIX_T_Alloc.SIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)132)fortestingsupervision:Inordertocontrolthedurationofindividualtestcases,aspecifictimeranditsduration,PIX_T_supervision,isdefined.3)foroperatoraction:InordertocontrolthedurationofactionrequiredtosetuptheIUTintoagivenstate,ortogenerateaspecificactionontheIUT,atimerT_Operatorisdefined.5.1.1.6ASPtypedefinitionsASPdefinitionsfollowthePDUspecificationwhenacorrespondingdefinitionexists,withtheadditionofaprefixlikeSN.EXAMPLE:SN_AddBranch5.1.1.7PDUnamesThePDUnamesusedintheTTCNtestsuitearetheonesusedintheASN.1declarations.Thecorrespondencewiththenamesusedinthespecificationsisgivenintable1.Table1PDUnamesinSpecificationsPDUnamesinTestSuiteALLOCAllocALLOC_ACCAllocAccALLOC_REJAllocRejALLOC_COMPAllocCompALLOC_COMP_ACCAllocCompAccALLOC_COMP_REJAllocCompRejDEALLOCDeallocDEALLOC_ACCDeallocAccBBCC_RESETBbccResetBBCC_RESET_ACCBbccResetAccBBCC_RESET_REJBbccResetRejBBCC_PRESYNCBbccPresyncBBCC_PRESYNC_ACCBbccPresyncAccBBCC_PRESYNC_REJBbccPresyncRejAN_FAULTAnFaultAN_FAULT_ACCAnFaultAccPROTOCOL_ERRORProtocolErrorMODIFYModifyMODIFY_ACCModifyAccMODIFY_REJModifyRejMODIFY_COMPModifyCompMODIFY_COMP_ACCModifyCompAccMODIFY_COMP_REJModifyCompRejMODIFY_ABORTModifyAbortMODIFY_ABORT_ACCModifyAbortAccMODIFY_ABORT_REJModifyAbortRejADD_BRANCHAddBranchADD_BRANCH_ACCAddBranchAccADD_BRANCH_REJAddBranchRejUPDATE_BRANCHUpdateBranchUPDATE_BRANCH_ACCUpdateBranchAccUPDATE_BRANCH_REJUpdateBranchRejDROP_BRANCHDropBranchDROP_BRANCH_ACCDropBranchAccDROP_BRANCH_REJDropBranchRejSIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)145.1.2ConstraintsnamingThisclausedescribesthenamingconventionschosenfortheelementsoftheATSconstraintspart.Constraintidentifierscommencewithlowercasec,followedbythePDU_TYPE,followedbyanumericalvaluelike001,002,etc.TypeDefinitionConstraintDefinitionExampleALLOCc_ALLOC_002ALLOC_COMPc_ALLOC_COMP_001Theconstraintvaluesaredefined,showingthespecifiedvalues,like‘49’Hforprotocoldiscriminator,orthevaluestobechosenbytheimplementer(PIX_xxforPIXITvalues)foreachInformationElement(IE).5.1.3SimplifiedrepresentationofparametersinconstraintsInordertoreducethecomplexityofconstraintdefinitions,somepackedparametershavebeenintroduced.TheseparametersarealloftypeOCTETSTRING.Theyrepresenttheconcatenationofseveralindividualfieldsunderauniquename.IntheTTCNconstraints,thevalueassignedtosuchparametersmayeitherappearexplicitly,(e.g.asahexadecimalvalue),oritmayberepresentedsymbolically,intheformofaPIXITparametername.Therearetwoclassesofpackedparameters:Oneclasscomprises5packedparameterswhicharespecifictotheBBCCprotocolandwhosecontentisderivedfromtheVB5.2interfacespecificationitself.Undernormalcircumstances,theparametersmsgCompatIndandiECompatInd,arealwaysassignedthevalue‘80’HwhileparametertransIdLengthisalwaysassignedthevalue‘03’H.Thelasttwo,usrPortConnIdIEOctet5andsrvcPortConnIdIEOctet5canbeassignedasmallnumberofdistinctvalues,dependingontheleveloftheidentifier(completeport,VPCIonly,VPCI/VCIcombination).Thesecondclasscontains7packedparameterswhosenameisoftype"XXX_contents".TheseparametersareusedinInformationElementsdefinedindetailinotherstandards,suchasITU-Trecommendations.Thesepackedparametersareusedtoholdtheentirecontentofthespecificpartoftheinformationelement,i.e.thepartwhichfollowsthecommonIEinformation.Theyareoftype"octetstring"ofvariablesize.Thevalueofthe"XXX_contents"parameterisalwaysrepresentedbyasymbolicPIXITname.Inotherwords,inTTCNconstraints,theparameterappearsundertheformof"XXX_contentsPIX_name"wherePIX_namerepresentsavaluetobespecifiedbytheimplementer,inaccordancewiththecodingrulesoftheInformationElementtowhichitbelongs.TheassignedvalueshallalsotakeaccountofthecapabilitiessupportedbytheVB5.2applicationfunctionsintheSystemUnderTest.Examplesare:broadbandbearercapabilityvalues,ATMtrafficdescriptorvalues,QOSparametervalues,endtoendtransitdelayvalues,OAMtrafficdescriptorvalues,ABRsetupparametervalues,CDVTdescriptorvalues.DetailsofthedefinitionofpackedparametersaregiveninannexE.5.1.4DynamicpartThisclausedescribesthenamingconventionschosenfortheelementsoftheATSdynamicpart.5.1.4.1TestcaseidentifierThereisaone-to-onemappingbetweentheTestPurposesandthetestcases.TheidentifierofaTCanditscorrespondingTestPurposeisdescribedintable2.SIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)15Table2:TPidentifiernamingconventionschemeIdentifier:VB5_____VB5VB5.2referencepointspecificationBBCCprotocolatinterfaceVB5.2AN:BBCCSystemintheAccessNetworkistheIUTSN:BBCCSystemintheServiceNodeistheIUT=procedureidentifierlikeSTStartUpCEConnectionEstablishmentCRConnectionReleaseCMConnectionModifyBEBranchEstablishmentBRBranchReleaseHKHouseKeeping(Reset,Fault)CEHCommonErrorHandling=testcategory:CACapabilitytestsBVValidBehaviourtestsBIInvalidBehaviourtestsTITimertests=sequentialnumber:(01-99)Exampleoftestpurposeandtestcasename:VB5_BBCC_AN_CM_BV_025.1.4.2PreambleidentifierApreambledefinesasetofTTCNstatementsneededtoinitializetheIUTthencarrytheIUTtoaparticularstateoraparticularcallconfigurationsituationfromwhichthetestcaseshallstart.Hereisthelistofpreambles.ANistheIUTP_startAN:startstheANconfigurationP_AN_1ptp:startsANandallocatesonePointtoPointconnectionP_AN_1ptm:startsANandallocatesonePointtoMultipointconnection,firstbranchonlyisestablishedP_AN_1ptmTwoB:startsANandallocatesPointtoMultipointPtM1connection,PtM1connectionhastwobranchesP_AN_1ptmThreeB:startsANandallocatesPtM2PointtoMultipointconnection,PtM2connectionhasthreebranchesP_AN_2ptp:startsANandallocatestwoPoint-to-Pointconnections,PtP1andPtP2P_AN_2ptm:startsANandallocatestwoPointtoMultipointconnections,PtM1connectionhastwobranches,PtM2hasthreebranchesP_AN_1ptp1ptm:startsANandallocatesonePointtoPointandonePointtoMultipointconnectionsSIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)16SNistheIUTP_startSN:startstheSNconfigurationP_SN_1ptp:startsSNandallocatesonePoint-to-PointconnectionP_SN_1ptm:startsSNandallocatesonePointtoMultipointconnection,firstbranchonlyisestablishedP_SN_1ptmTwoB:startsSNandallocatesPtM1PointtoMultipointconnection,PtM1connectionhastwobranchesP_SN_1ptmThreeB:startsANandallocatesPtM2PointtoMultipointconnection,PtM2connectionhasthreebranchesP_SN_2ptp:startsANandallocatestwoPointtoPointconnectionsP_SN_2ptm:startsANandallocatestwoPointtoMultipointconnections,PtM1connectionhastwobranches,PtM2hasthreebranchesP_SN_1ptp1ptm:startsANandallocatesonePointtoPointandonePointtoMultipointconnections5.1.4.3PostambleidentifierThereisnopostambledefined,aseachnewtestisbeginningbyacompletereset,itcannotbecorruptedbysideeffectsofthepreviousexecutedtestcase.5.1.4.4DefaultidentifierAdefaultisasetofTTCNstatementscalledhereOtherwiseFail,whichisusedtocompletethebehaviourtreerelatedtothetestcase.ItcoverssomedifferentalternativesbringingthetestcasetoaFAILorINCONCLUSIVEverdict.SIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)17AnnexA(normative):ATSforBBCCatVB5.2interfaceThisATShasbeenproducedusingtheTreeandTabularCombinedNotation(TTCN)accordingtoISO/IEC9646-3[9].TheATSwasdevelopedonaseparateTTCNsoftwaretoolandthereforetheTTCNtablesarenotcompletelyreferencedinthetableofcontents.TheATSitselfcontainsatestsuiteoverviewpartwhichprovidesadditionalinformationandreferences.A.1TheTTCNGraphicalform(TTCN.GR)TheTTCN.GRrepresentationofthisATSiscontainedinAdobePortableDocumentFormat™files(Suite_SN.PDFandSuite_AN.PDFcontainedinarchiveen_30121704v010101p0.ZIP)whichaccompaniesthepresentdocument.A.2TheTTCNMachineProcessableform(TTCN.MP)TheTTCN.MPrepresentationcorrespondingtothisATSiscontainedinASCIIfiles(Suite_SN.MPandSuite_AN.MPcontainedinarchiveen_30121704v010101p0.ZIP)whichaccompaniesthepresentdocument.NOTE:WhereanETSIAbstractTestSuite(inTTCN)ispublishedinboth.GRand.MPformatthesetwoformsshallbeconsideredequivalent.Intheeventthatthereappearstobesyntacticalorsemanticdifferencesbetweenthetwothentheproblemshallberesolvedandtheerroneousformat(whicheveritis)shallbecorrected.SIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)18AnnexB(normative):PartialPIXITproformaforBBCCatVB5.2interfaceNotwithstandingtheprovisionsofthecopyrightclauserelatedtothetextofthepresentdocument,ETSIgrantsthatusersofthepresentdocumentmayfreelyreproducethePIXITproformainthisannexsothatitcanbeusedforitsintendedpurposesandmayfurtherpublishthecompletedPIXIT.ThePIXITproformaisbasedonISO/IEC9646-6.Anyadditionalinformationneededcanbefoundinthepresentdocument.B.1IdentificationsummaryTableB.1PIXITnumber:Testlaboratoryname:Dateofissue:Issuedto:B.2ATSsummaryTableB.2Protocolspecification:EN301217-1Protocoltobetested:ATSspecification:EN301217-4Abstracttestmethod:RemotetestmethodB.3TestlaboratoryTableB.3Testlaboratoryidentification:Testlaboratorymanager:Meansoftesting:SAPaddress:B.4ClientidentificationTableB.4Clientidentification:Clienttestmanager:Testfacilitiesrequired:SIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)19B.5SUTTableB.5Name:Version:SCSnumber:Machineconfiguration:Operatingsystemidentification:IUTidentification:PICSreferenceforIUT:LimitationsoftheSUT:Environmentalconditions:B.6ProtocollayerinformationB.6.1ProtocolidentificationTableB.6Name:EN301217-1:VB5.2interfaceVersion:PICSreferences:EN301217-2SIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)20B.6.2IUTinformationB.6.2.1StimulifortheIUTImplicitsendeventsareusedinTTCNtoindicatetheneedforastimulus.Theexpectedresultofstimulationisdefinedbytheconstraintassociatedtotheimplicitsendevent,whichspecifiestheparameterswhicharerelevanttothestimulus,suchasconnectionreference,portidentifiers,trafficparameters,etc.TheimplicitsendeventnamesareidenticaltotheresultingPDUnames.TableB.7:ActionsrequiredtostimulatetheIUTItemStimulinameACTIONSWhatactionshavetobetakento:Invocationdescription1AnFaultCausetheANtorequestnotificationtotheSNthatafaultregardingthespecifiedbearerconnectionhasbeendetected2AllocCausetheSNtorequesttheallocationofabearerconnectionaccordingtospecifiedparameters3AllocCompCausetheSNtorequesttocompletetheallocationofabearerconnectionaccordingtospecifiedparameters4DeallocCausetheSNtorequestthede-allocationofaspecifiedbearerconnection5ModifyCausetheSNtorequestthemodificationofaspecifiedbearerconnection6ModifyCompCausetheSNtorequesttocompletethemodificationofaspecifiedbearerconnection7ModifyAbortCausetheSNtorequesttoabortthemodificationofaspecifiedbearerconnection8AddBranchCausetheSNtorequesttheallocationofaspecifiedadditionalbranchtoapointtomultipointconnection9UpdateBranchCausetheSNtorequesttoupdatetheallocationofanadditionalbranchtoapointtomultipointconnection10DropBranchCausetheSNtorequestthedeletionofabranchofapointtomultipointconnection11BbccResetCausetheSNtorequesttheresetofspecifiedresourcesatLUPoranLSPandhencetherelevantbearerconnection(s)12BbccPresyncCausetheSNtoinvoketheBBCCrestartprocedureSIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)21B.6.2.2PIXITParametervaluesTableB.8:ParametervaluesItemParameternameParametertype(ASN1)ExplanationValueinimplementation1PIX_ALLOC_COMP_REJBOOLEANGuidestheConnectionControlFunction2PIX_MODIFY_COMP_REJ_BOOLEANGuidestheConnectionControlFunction3PIX_MODIFY_ABORT_REJBOOLEANGuidestheConnectionControlFunction4PIX_BBCC_PRESYNC_REJBOOLEANGuidestheConnectionControlFunction5PIX_simulate_congestionBOOLEANGuidestheConnectionControlFunction6PIX_ConnRefNoVal_PtP1ConnRefNoValPointtopointconnection7PIX_ConnRefNoVal_PtP2ConnRefNoValPointtopointconnection8PIX_ConnRefNoVal_Unknown_PtPConnRefNoValUnknownPointtopointconnection9PIX_ConnRefNoVal_PtM1ConnRefNoValPointtoMultipointconnection,twobranches10PIX_ConnRefNoVal_PtM2ConnRefNoValPointtoMultipointconnection,threebranches11PIX_ConnRefNoVal_Unknown_PtMConnRefNoValUnknownPointtoMultipointconnection12PIX_PtM1_BranchId1BranchIdValBranchId1ofPtM113PIX_PtM1_BranchId2BranchIdValBranchId2ofPtM114PIX_PtM1_Unknown_BranchIdBranchIdValBranchIdunknownofPtM115PIX_PtM2_BranchId1BranchIdValBranchId1ofPtM216PIX_PtM2_BranchId2BranchIdValBranchId2ofPtM217PIX_PtM2_BranchId3BranchIdValBranchId3ofPtM218PIX_PtMu_BranchId1BranchIdValBranchId1ofPtMu19PIX_LUP_Id1LogIdLUPId20PIX_LUP_Id2LogIdLUPId21PIX_LUP_Id3LogIdLUPId22PIX_LUP_VPCI1VPCIVPCIatLUPptp123PIX_LUP_VPCI2VPCIVPCIatLUPptpunknown24PIX_LUP_VPCI3VPCIVPCIatLUPptm125PIX_LUP_VPCI4VPCIVPCIatLUPptm126PIX_LUP_VPCI6VPCIVPCIatLUPptm227PIX_LUP_VPCI7VPCIVPCIatLUPptm228PIX_LUP_VPCI8VPCIVPCIatLUPptm229PIX_LUP_VPCIBVPCIVPCIatLUPptp230PIX_LUP_VPCICVPCIVPCIatLUPalternative31PIX_LUP_VCI1VCIVCIatLUPptp132PIX_LUP_VCI2VCIVCIatLUPptpunknown33PIX_LUP_VCI3VCIVCIatLUPptm134PIX_LUP_VCI4VCIVCIatLUPptm135PIX_LUP_VCI6VCIVCIatLUPptm236PIX_LUP_VCI7VCIVCIatLUPptm237PIX_LUP_VCI8VCIVCIatLUPptm238PIX_LUP_VCIBVCIVCIatLUPptp239PIX_LSP_VPCI1VPCIVPCIatLSPptp140PIX_LSP_VPCI3VPCIVPCIatLSPptm141PIX_LSP_VPCI4VPCIVPCIatLSPptm242PIX_LSP_VPCI6VPCIVPCIatLSPptp243PIX_LSP_VPCICVPCIVPCIatLSPalternative44PIX_LSP_VCI1VCIVCIatLSPptp145PIX_LSP_VCI3VCIVCIatLSPptm146PIX_LSP_VCI4VCIVCIatLSPptm247PIX_LSP_VCI6VCIVCIatLSPptp248PIX_endtoend_transit_delayOCTET_STRINGLengthis:(3-6)Defaultvalueis:3SIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)22ItemParameternameParametertype(ASN1)ExplanationValueinimplementation49PIX_ATM_traffic_descriptorOCTET_STRINGLengthis:(0-50)Defaultvalueis:250PIX_ATM_altern_traffic_descriptorOCTET_STRINGLengthis:(0-50)Defaultvalueis:251PIX_minimum_ATM_traffic_descriptorOCTET_STRINGLengthis:(0-50)Defaultvalueis:252PIX_OAM_traffic_descriptorOCTET_STRINGLengthis:(2)Defaultvalueis:253PIX_Broadband_capabilityOCTET_STRINGLengthis:(3-4)Defaultvalueis:354PIX_Broadband_capability_ABROCTET_STRINGLengthis:(3-4)Defaultvalueis:355PIX_ABR_setup_parameterOCTET_STRINGLengthis:(2-28)Defaultvalueis:256PIX_QOS_parameterOCTET_STRINGLengthis:(2)Defaultvalueis:257PIX_CDVT_descriptorOCTET_STRINGLengthis:(3-18)Defaultvalueis:3TableB.9:TimervaluesItemParameterParametertypeExplanationValueinImplementation1PIX_T_AnFaultIntegerTimervalue2PIX_T_AllocIntegerTimervalue3PIX_T_AllocCompIntegerTimervalue4PIX_T_BbccResetIntegerTimervalue5PIX_T_BbccPresyncIntegerTimervalue6PIX_T_DeallocIntegerTimervalue7PIX_T_ModifyIntegerTimervalue8PIX_T_ModifyCompIntegerTimervalue9PIX_T_ModifyAbortIntegerTimervalue10PIX_T_AddBranchIntegerTimervalue11PIX_T_UpdateBranchIntegerTimervalue12PIX_T_DropBranchIntegerTimervalue13PIX_T_ConnEstIntegerTimervalue14PIX_T_ModificationIntegerTimervalue15PIX_T_BranchEstIntegerTimervalue16PIX_T_BbccStartupIntegerTimervalue17PIX_T_BbccRestartIntegerTimervalue18PIX_T_supervisionIntegerSupervisiontimerSIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)23AnnexC(normative):ProtocolConformanceTestReport(PCTR)proformawhentestingBBCCinANNotwithstandingtheprovisionsofthecopyrightclauserelatedtothetextofthepresentdocument,ETSIgrantsthatusersofthepresentdocumentmayfreelyreproducethePCTRproformainthisannexsothatitcanbeusedforitsintendedpurposesandmayfurtherpublishthecompletedPCTR.ThePCTRproformaisbasedonISO/IEC9646-6.Anyadditionalinformationneededcanbefoundinthepresentdocument.C.1IdentificationsummaryC.1.1ProtocolconformancetestreportTableC.1PCTRnumber:PCTRdate:CorrespondingSCTRnumber:CorrespondingSCTRdate:Testlaboratoryidentification:Testlaboratorymanager:Signature:C.1.2IUTidentificationTableC.2Name:Version:Protocolspecification:PICS:PreviousPCTRifany:C.1.3TestingenvironmentTableC.3PIXITnumber:ATSspecification:Abstracttestmethod:Meansoftestingidentification:Dateoftesting:Conformancelogreference(s):Retentiondateforlogreference(s):SIST EN 301 217-4 V1.1.1:2003

ETSIETSIEN301217-4V1.1.1(2001-01)24C.1.4LimitsandreservationAdditionalinformationrelevanttothetechnicalcontentsorfurtheruseofthetestreport,ortherightsandobligationsofthetestlaboratoryandtheclient,maybegivenhere.Suchinformationmayincluderestrictiononthepublicationofthereport.C.1.5CommentsAdditionalcommentsmaybegivenbyeithertheclientorthetestlaboratoryonanyofthecontentsofthePCTR,forexample,tonotedisagreementbetweenthetwoparties.C.2IUTconformancestatusThisIUThasorhasnotbeenshownbyconformanceassessmenttobenon-conformingtothespecifiedprotocolspecification.Striketheappropriatewo
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