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)

Update the test specifications to be in line with the 3rd edition of the base protocol standard.

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
31-Dec-2004
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Jan-2005
Due Date
01-Jan-2005
Completion Date
01-Jan-2005

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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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