V interfaces at the digital Local Exchange (LE); V5.1 interface for the support of Access Network (AN); Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network layer (LE side)

REN/SPAN-09101-6

Vmesniki V pri digitalnih krajevnih centralah (LE) – Vmesnik V5.1 za podporo dostopovnemu omrežju (AN) – 6. del: Abstraktni preskušalni niz (ATS) in delna dodatna informacija za preskušanje izvedbe protokola (PIXIT) – Proforma specifikacija za omrežno plast na strani krajevne centrale (LE)

General Information

Status
Published
Publication Date
19-Mar-2001
Current Stage
12 - Completion
Due Date
23-Mar-2001
Completion Date
20-Mar-2001

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Vmesniki V pri digitalnih krajevnih centralah (LE) – Vmesnik V5.1 za podporo dostopovnemu omrežju (AN) – 6. del: Abstraktni preskušalni niz (ATS) in delna dodatna informacija za preskušanje izvedbe protokola (PIXIT) – Proforma specifikacija za omrežno plast na strani krajevne centrale (LE)V interfaces at the digital Local Exchange (LE); V5.1 interface for the support of Access Network (AN); Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network layer (LE side)33.040.30Komutacijski in signalizacijski sistemSwitching and signalling systemsICS:Ta slovenski standard je istoveten z:EN 300 324-6 Version 3.1.1SIST EN 300 324-6 V3.1.1:2005en01-januar-2005SIST EN 300 324-6 V3.1.1:2005SLOVENSKI
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SIST EN 300 324-6 V3.1.1:2005



ETSIEN300324-6V3.1.1(2001-03)EuropeanStandard(Telecommunicationsseries)VinterfacesatthedigitalLocalExchange(LE);V5.1interfaceforthesupportofAccessNetwork(AN);Part6:AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecificationforthenetworklayer(LEside)SIST EN 300 324-6 V3.1.1:2005



ETSIETSIEN300324-6V3.1.1(2001-03)2ReferenceREN/SPAN-09101-6KeywordsANV,ATS,LE,PIXIT,testing,Vinterface,V5interfaceETSI650RoutedesLuciolesF-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 300 324-6 V3.1.1:2005



ETSIETSIEN300324-6V3.1.1(2001-03)3ContentsIntellectualPropertyRights.4Foreword.41Scope.52References.53Definitionsandabbreviations.63.1Definitions.63.2Abbreviations.74Abstracttestmethod.84.1ATM.84.2NWKprotocoltesting.84.3Datalinkaddresses.94.4ExecutionofTCs.94.4.1Handlingoferrorindication.94.4.2TCexecutionsequence.95Untestabletestpurposes.105.1Controlprotocol.105.2PSTNprotocol.106Abstracttestsuiteconventions.116.1Namingconventions.116.1.1Declarationpart.116.1.2Constraintpart.126.1.3Dynamicpart.126.1.3.1Testcases.126.1.3.2Teststeps.126.1.3.3Generalaspects.126.1.4ATSabbreviations.136.2Implementationconventions.136.2.1Declarationpart.136.2.2Constraintpart.146.2.3Dynamicpart.146.2.4Documentation.15AnnexA(normative):AbstracttestsuiteforNWKtesting.16A1TheTTCNGraphicalform(TTCN.GR).16A2TheTTCNMachineProcessableform(TTCN.MP).16AnnexB(normative):PartialPIXITproforma.17B.1Introduction.17B.2PIXITproforma.17B.2.1Identificationsummary.17B.2.2Abstracttestsuitesummary.17B.2.3Testlaboratory.17B.2.4Client.18B.2.5SUT.18B.2.6Protocollayerinformation.19B.2.6.1Protocolidentification.19B.2.6.2IUTinformation.19History.23SIST EN 300 324-6 V3.1.1:2005



ETSIETSIEN300324-6V3.1.1(2001-03)4IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.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).Thepresentdocumentispart6ofamulti-partdeliverablecoveringtheV5.1interfaceforthesupportofAccessNetwork(AN)asdescribedbelow:Part1:"V5.1interfacespecification";Part2:"ProtocolImplementationConformanceStatement(PICS)proformaspecification";Part3:"TestSuiteStructureandTestPurposes(TSS&TP)specificationforthenetworklayer(ANside)";Part4:"AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecificationforthenetworklayer(ANside)";Part5:"TestSuiteStructureandTestPurposes(TSS&TP)specificationforthenetworklayer(LEside)";Part6:"AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecificationforthenetworklayer(LEside)";Part7:"TestSuiteStructureandTestPurposes(TSS&TP)specificationforthedatalinklayer";Part8:"AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecificationforthedatalinklayer";Part9:"Testspecificationforthephysicallayer".NationaltranspositiondatesDateofadoptionofthisEN:16March2001DateoflatestannouncementofthisEN(doa):30June2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31December2001DateofwithdrawalofanyconflictingNationalStandard(dow):31December2001SIST EN 300 324-6 V3.1.1:2005



ETSIETSIEN300324-6V3.1.1(2001-03)51ScopeThissixthpartofEN300324containstheAbstractTestSuite(ATS)aswellastheAbstractTestMethod(ATM)andthepartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformafortheNetworklayer(NWK)ofaV5.1interfaceandpartsofthesystemmanagementoftheLocalExchange(LE)sideofaV5.1interface.TheobjectiveofthepresentdocumentistoprovideanATScontainingconformancetestswhichgiveahighprobabilityofinter-operabilityofanAccessNetwork(AN)andaLEfromdifferentmanufacturersovertheV5.1interface.ISO/IEC9646-1[5]andISO/IEC9646-2[6]areusedasthebasisforthetestmethodology.TheATSisdefinedusingtheTreeandTabularCombinedNotation(TTCN)accordingtoISO/IEC9646-3[7].TheATSinannexAdescribesasetofTestCases(TCs)whicharebasedontheTestPurposes(TPs)specifiedinEN300324-5[3].TheTCsprovidetheimplementationoftheTPsandcanbeconvertedintoanexecutabletestsuitebyusingavailableTTCNtranslatorsandthecorrespondingtools.AnnexBprovidesthepartialPIXITproforma.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]ETSIEN300324-1(V2.1.1):"VinterfacesatthedigitalLocalExchange(LE);V5.1interfaceforthesupportofAccessNetwork(AN);Part1:V5.1interfacespecification".[2]ETSIEN300324-2:"VinterfacesatthedigitalLocalExchange(LE);V5.1interfaceforthesupportofAccessNetwork(AN);Part2:ProtocolImplementationConformanceStatement(PICS)proformaspecification".[3]ETSIEN300324-5:"VinterfacesatthedigitalLocalExchange(LE);V5.1interfaceforthesupportofAccessNetwork(AN);Part5:TestSuiteStructureandTestPurposes(TSS&TP)specificationforthenetworklayer(LEside)".[4]ISO7498:"InformationProcessingSystems-OpenSystemsInterconnection-BasicReferenceModel".[5]ISO/IEC9646-1:"InformationTechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part1:Generalconcepts".[6]ISO/IEC9646-2:"InformationTechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part2:Abstracttestsuitespecification".[7]ISO/IEC9646-3:"InformationTechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part3:TheTreeandTabularCombinedNotation(TTCN)".[8]ISO/IEC9646-5:"InformationTechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part5:Requirementsontestlaboratoriesandclientsfortheconformanceassessmentprocess".SIST EN 300 324-6 V3.1.1:2005



ETSIETSIEN300324-6V3.1.1(2001-03)6[9]ETSIETS300406(1995):"MethodsforTestingandSpecification(MTS);Protocolandprofileconformancetestingspecifications;Standardizationmethodology".[10]ETSIETR141(1994):"MethodsforTestingandSpecification(MTS);Protocolandprofileconformancetestingspecifications;TheTreeandTabularCombinedNotation(TTCN)styleguide".3Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingtermsanddefinitionsapply,togetherwiththosegiveninEN300324-1[1]:abstracttestcase:refertoISO/IEC9646-1[5]NOTE:Inthepresentdocument,thecommonlyusedtermTCisappliedinthesamewayasATC.abstracttestsuite:refertoISO/IEC9646-1[5]currentprovisioningvariant:IDforthepresentlyactivedatasetdatalinklayer:refertoISO7498[4]embeddedvariant:refertoISO/IEC9646-2[6]implementationundertest:refertoISO/IEC9646-1[5]incorrectinformationelement:specifiedinformationelementcarryinginformationelementtypesnotdefinedinEN300324-1[1]invalidPSTNinformationelement:PSTNinformationelementnotaccordingtonationalspecificrequirementsinvalidprotocoldataunit:protocolDataUnit(PDU)whichcontainsanincorrectmessageformatinvalidPSTNmessage:PSTNmessagecarryinginformationelementsnotaccordingtonationalspecificrequirementslowertester:refertoISO/IEC9646-1[5]networklayer:refertoISO7498[4]newprovisioningvariant:IDforthedatasetwhichwasannouncedtotheIUTtobecomethenextactivedatasetthroughre-provisioningphysicallayer:refertoISO7498[4]PICSproforma:refertoISO/IEC9646-1[5]PIXITproforma:refertoISO/IEC9646-1[5]PointOfControlAndObservation(PCO):refertoISO/IEC9646-1[5]ProtocolImplementationConformanceStatement(PICS):refertoISO/IEC9646-1[5]ProtocolImplementationeXtraInformationForTesting(PIXIT):refertoISO/IEC9646-1[5]remotetestmethod:refertoISO/IEC9646-2[6]specifiedinformationelement:informationelementIDdefinedinEN300324-1[1]systemundertest:refertoISO/IEC9646-1[5]SIST EN 300 324-6 V3.1.1:2005



ETSIETSIEN300324-6V3.1.1(2001-03)7testpurpose:refertoISO/IEC9646-1[5]unknownprovisioningvariant:IDforanon-availabledatasetunspecifiedinformationelement:informationelementIDnotdefinedinEN300324-1[1]validinformationelement:PSTNinformationelementaccordingtonationalspecificrequirementsvalidPSTNmessage:PSTNmessagecarryinginformationelementsaccordingtonationalspecificrequirements3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:ANAccessNetworkASPAbstractServicePrimitiveATCAbstractTestCaseATMAbstractTestMethodATSAbstractTestSuiteBIInvalidBehaviourBOInopportuneBehaviourBVValidBehaviourCACApabilitytestCTRLControlDLLDataLinkLayerDSAPDatalinkServiceAccessPointFEFunctionElementIDIdentifierIEInformationElementISDNIntegratedServicesDigitalNetworkISDN-BAISDN-BasicAccessITbasicInterconnectionTestIUTImplementationUnderTestL3addrLayer3addressLELocalExchangeLT1LowerTester1MPHManagementPhysicallayerNWKNetworkLayerPCOPointofControlandObservationPDUProtocolDataUnitPHLPhysicalLayerPICSProtocolImplementationConformanceStatementPIXITProtocolImplementationeXtraInformationforTestingPSTNPublicSwitchedTelephoneNetworkSAPServiceAccessPointSUTSystemUnderTestTCTestCase(abstractTC)TITimerExpiryandCounterMismatchTPTestPurposeTSSTestSuiteStructureTTCNTreeandTabularCombinedNotationULUpperLayerUTUpperTesterV5DLaddrV5DataLinkaddressSIST EN 300 324-6 V3.1.1:2005



ETSIETSIEN300324-6V3.1.1(2001-03)84AbstracttestmethodThisclausedescribestheAbstractTestMethod(ATM)andthePointofControlandObservation(PCO)usedtotesttheNWKoftheV5.1protocolfortheLEcomponents.4.1ATMPrincipally,theremotetestmethodisusedforV5.1LENWKconformancetesting.CertainV5.1LENWKTPsneedalsopartoftheserviceandnationalfunctions.Therefore,theembeddedvariantoftheremotetestmethodisapplied.ThenationaldependentinformationisdefinedinthePIXIT.4.2NWKprotocoltestingTheV5.1implementationsdonotofferadirectaccesstotheupperserviceboundary.Theremotetestmethodwaschosenbecauseanyco-ordinationprocedurescanonlybeexpressedinaninformalway.SUTV5NWKPDUsServiceProviderDLL&PHLlayersLT1PCO/DSAPDLconnectionendpointsV5TestSystemIUTV5NWKDL-DATAUTControlandPSTNprotocolFigure1:RemotetestmethodappliedtotheV5.1NWKtestingLT1:ALowerTester(LT1)islocatedinaremoteV5.1testsystem.ItcontrolsandobservesthebehavioursoftheIUT.DSAP:AuniqueDatalinkServiceAccessPoint(DSAP)isdefinedattheV5.1interfaceandcommonlyusedforexchangingservicedataofthedifferentnetworklayerprotocolfunctionalentities:PSTN,Controlprotocols.PCO:ThePCOforNWKtestingislocatedontheDSAP.AlltesteventsatthePCOarespecifiedintermsofdatalinkAbstractServicePrimitives(ASPs)andnetworklayerPDUs.UT:NoexplicitUpperTester(UT)existsinthetestsystem.However,theSUTneedstocarryoutsomeULfunctionstoachievesomeeffectsoftestco-ordinationprocedures.DesigningATS,thecapabilityofthesystemmanagementfunctions,suchascontrolsoftheIUT,itsinteractionswiththeQinterfacemaybetakenintoaccount.ThecontrolsoftheIUTwillbeimpliedorinformallyexpressedintheATS,butnoassumptionshallbemaderegardingtheirfeasibilityorrealization.ExamplesofsuchcontrolscouldbetoprovokerestartingIUTorblocking/unblockingproceduresthroughQinterface.SIST EN 300 324-6 V3.1.1:2005



ETSIETSIEN300324-6V3.1.1(2001-03)94.3DatalinkaddressesWithintheDSAP,differentV5DLaddrareusedtoidentifyeachcorrespondingdatalinkconnection.Eachnetworklayerprotocolfunctionalentitycanhaveonlyonedatalinkconnection,e.g.allPSTNsignallinginformationshareonedatalinkconnection.Table1showstheallocatedV5DLaddrusedbytheprotocolfunctionentities.Table1:V5DLaddrProtocolPSTNControlV5DLaddr817681774.4ExecutionofTCs4.4.1HandlingoferrorindicationDuringtheexecutionoftheNWKATSmanyerrorindicationswillbesenttothesystemmanagementduetotheinvalidandtheinopportuneTCs.ItisuptotheIUTsuppliertotakethenecessaryprecautionstoavoidanyimpactonthetestresult.4.4.2TCexecutionsequenceThefollowingtestsequenceshallbeapplied:TheTCcontainingthestart-upprocedure(TC11__SM_01)shallalwaysbethefirstTCexecuted.AlsoinanycasewheretheIUThastoberestartedthisTCshallbefirstexecuted.Protocolgroups:CTRLPSTN.Testgroups:ITCATIBVBOBI.Interactionsbetweenthedifferenttestgroupsarenotconsidered.ItisuptotheIUTsuppliertotakethenecessaryprecautionstoavoidanyimpactonthetestresult.NOTE:ThisappliesinparticulartoPORTCONTROLmessagesfromISDNportswhiletestingPSTN-relatedprotocolsandviceversa.SIST EN 300 324-6 V3.1.1:2005



ETSIETSIEN300324-6V3.1.1(2001-03)105UntestabletestpurposesThisclausecontainsalistofTPswhicharenotcoveredbytheATSduetothechosenATMorotherrestrictions.5.1ControlprotocolTable2listsTPswhicharenotcoveredbytheATSduetotheunknownreactionoftheIUTaftertestingtheTPs.Table2:UntestableTPs(4)TestPurposeIDTP1311S1_01TP1313S0_01TP1313SM_06TP1313SM_07TP1313SM_08TP1313SM_09TP1321S1_01TP1324S1001TP1324SM_05TP1324SM_11TP1325S1001TP1325S2013TP1325SM_11TP1325SM_245.2PSTNprotocolThetestpurposeslistedintable3arenotimplementedintheATSduetounknownreactionoftheIUTaftertestingtheTPs.Table3:UntestableTPs(6)TestPurposeIDTP23__S1_04TP23__S1_06TP23__S2_08TP23__S2_09TP23__S4_07TP23__S5_10TP23__S6_01TP26__S4_01SIST EN 300 324-6 V3.1.1:2005



ETSIETSIEN300324-6V3.1.1(2001-03)116AbstracttestsuiteconventionsTheATSconventionsareintendedtogiveabetterunderstandingoftheATSbuttheydescribealsotheconventionsmadeforthedevelopmentoftheATS,thusforanylatermaintenancepurposesorfurtherdevelopmentoftheATStheconventionsdescribedinthisclauseshallbeconsidered.TheATSconventionscontaintwoclauses,thenamingconventionsandtheimplementationconventions.ThenamingconventionsdescribethestructureofthenamingofallATSelements.TheimplementationconventionsdescribethefunctionalstructureoftheATS.NOTE:TodefinetheATS,theguidelinesgiveninETS300406[9]andETR141[10]wereconsidered.6.1Namingconventions6.1.1DeclarationpartTheIDnamesofthefollowingdefinitionsarewritteninlowercase:-structuredtypedefinitions;-SPtypedefinitions;-PDUtypedefinitions.TheIDnamesofthefollowingdefinitionsarewritteninuppercase:-TestSuiteParameterDeclarations;-TestCaseSelectionExpressionDefinitions;-TestSuiteConstantDeclarations;-TestCaseVariableDeclarations.IDnamesofPDUsandstructuredtypescommencewithaprotocolidentifiertodefinewhichprotocoltheyarebelongingto.Thefollowingidentifiersareused:-controlprotocol:ctrle.g.crtl_common_contro
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