SIST EN 300 443-6:2000

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.SUHVNXãDQMHBroadband Integrated Services Digital Network (B-ISDN); Digital Subscriber Signalling System No. two (DSS2) protocol; B-ISDN user-network interface layer 3 specification for basic call/bearer control; Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network33.080Digitalno omrežje z integriranimi storitvami (ISDN)Integrated Services Digital Network (ISDN)ICS:Ta slovenski standard je istoveten z:EN 300 443-6 Version 1.1.3SIST EN 300 443-6:2000en01-april-2000SIST EN 300 443-6:2000SLOVENSKI
STANDARD



SIST EN 300 443-6:2000



ETSIEN300443-6V1.1.3(1999-12)EuropeanStandard(Telecommunicationsseries)BroadbandIntegratedServicesDigitalNetwork(B-ISDN);DigitalSubscriberSignallingSystemNo.two(DSS2)protocol;B-ISDNuser-networkinterfacelayer3specificationforbasiccall/bearercontrol;Part6:AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecificationforthenetworkSIST EN 300 443-6:2000



ETSIETSIEN300443-6V1.1.3(1999-12)2ReferenceDEN/SPS-05025-2KeywordsATS,basic,broadband,B-ISDN,DSS2,ISDNlayer3,network,PIXIT,UNIETSIPostaladdressF-06921SophiaAntipolisCedex-FRANCEOfficeaddress650RoutedesLucioles-SophiaAntipolisValbonne-FRANCETel.:+33492944200Fax:+33493654716SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88Internetsecretariat@etsi.frIndividualcopiesofthisETSIdeliverablecanbedownloadedfromhttp://www.etsi.orgIfyoufinderrorsinthepresentdocument,sendyourcommentto:editor@etsi.frImportantnoticeThisETSIdeliverablemaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.CopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute1999.Allrightsreserved.SIST EN 300 443-6:2000



ETSIETSIEN300443-6V1.1.3(1999-12)3ContentsIntellectualPropertyRights.5Foreword.51Scope.62References.63Definitionsandabbreviations.73.1Definitions.73.2Abbreviations.74AbstractTestMethod.84.1DescriptionofATMused.84.2ConventionsfortestcomponentsandPCOs.85Untestabletestpurposes.96ATStoTPmap.97PCTRconformance.108PIXITconformance.109ATSconformance.10AnnexA(normative):ProtocolConformanceTestReport(PCTR)proforma.11A.1Identificationsummary.11A.1.1Protocolconformancetestreport.11A.1.2IUTidentification.11A.1.3Testingenvironment.11A.1.4Limitsandreservations.12A.1.5Comments.12A.2IUTConformancestatus.12A.3Staticconformancesummary.12A.4Dynamicconformancesummary.13A.5Staticconformancereviewreport.13A.6Testcampaignreport.14A.7Observations.22AnnexB(normative):PartialPIXITproforma.23B.1Identificationsummary.23B.2Abstracttestsuitesummary.23B.3Testlaboratory.23B.4Client(ofthetestlaboratory).24B.5SUT.24B.6Protocolinformation.25B.6.1Protocolidentification.25B.6.2Configurationtobetested.25B.6.3StimulifortheIUT.26B.6.4Testmanagementtimers.26B.6.5ParameterValues.27SIST EN 300 443-6:2000



ETSIETSIEN300443-6V1.1.3(1999-12)4AnnexC(normative):AbstractTestSuite(ATS).29C.1TheTTCNGraphicalform(TTCN.GR).29C.2TheTTCNMachineProcessableform(TTCN.MP).29History.30SIST EN 300 443-6:2000



ETSIETSIEN300443-6V1.1.3(1999-12)5IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinSR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinSR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeSignallingProtocolsandSwitching(SPS).Thepresentdocumentispart6ofamulti-partstandardcoveringtheDigitalSubscriberSignallingSystemNo.2(DSS2)protocolspecificationfortheB-ISDNuser-networkinterfacelayer3specificationforbasiccall/bearercontrol,asidentifiedbelow:Part1:"Protocolspecification[ITU-TRecommendationQ.2931(1995),modified]";Part2:"ProtocolImplementationConformanceStatement(PICS)proformaspecification";Part3:"TestSuiteStructureandTestPurposes(TSS&TP)specificationfortheuser";Part4:"AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecificationfortheuser";Part5:"TestSuiteStructureandTestPurposes(TSS&TP)specificationforthenetwork";Part6:"AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecificationforthenetwork".NationaltranspositiondatesDateofadoptionofthisEN:10December1999DateoflatestannouncementofthisEN(doa):31March2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):30September2000DateofwithdrawalofanyconflictingNationalStandard(dow):30September2000SIST EN 300 443-6:2000



ETSIETSIEN300443-6V1.1.3(1999-12)61ScopeThissixthpartofEN300443specifiesthenetworkAbstractTestSuite(ATS)fortheTBreferencepointorcoincidentSBandTBreferencepoint(asdefinedinITU-TRecommendationI.413[9])ofimplementationsconformingtothestandardsforthesignallinguser-networklayer3specificationforbasiccall/bearercontroloftheDigitalSubscriberSignallingSystemNo.two(DSS2)protocolforthepan-EuropeanBroadbandIntegratedServicesDigitalNetwork(B-ISDN),EN300443-1[1].EN300443-5[3]specifiestheTestSuiteStructureandTestPurposes(TSS&TP)relatedtothisATSandpartialPIXITproforma.OtherpartsspecifytheTSS&TPandtheATSandpartialPIXITproformafortheUsersideoftheTBreferencepointorcoincidentSBandTBreferencepointofimplementationsconformingtoEN300443-1[1].2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.•Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.•Foraspecificreference,subsequentrevisionsdonotapply.•Foranon-specificreference,thelatestversionapplies.•Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]EN300443-1(V1.3):"BroadbandIntegratedServicesDigitalNetwork(B-ISDN);DigitalSubscriberSignallingSystemNo.two(DSS2)protocol;B-ISDNuser-networkinterfacelayer3specificationforbasiccall/bearercontrol;Part1:Protocolspecification[ITU-TRecommendationQ.2931(1995),modified]".[2]EN300443-2(V1.2):"BroadbandIntegratedServicesDigitalNetwork(B-ISDN);DigitalSubscriberSignallingSystemNo.two(DSS2)protocol;B-ISDNuser-networkinterfacelayer3specificationforbasiccall/bearercontrol;Part2:ProtocolImplementationConformanceStatement(PICS)proformaspecification".[3]EN300443-5(V1.1):"BroadbandIntegratedServicesDigitalNetwork(B-ISDN);DigitalSubscriberSignallingSystemNo.two(DSS2)protocol;B-ISDNuser-networkinterfacelayer3specificationforbasiccall/bearercontrol;Part5:TestSuiteStructureandTestPurposes(TSS&TP)specificationforthenetwork".[4]ISO/IEC9646-1:"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part1:Generalconcepts".[5]ISO/IEC9646-2:"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part2:AbstractTestSuitespecification".[6]ISO/IEC9646-3:"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part3:TheTreeandTabularCombinedNotation(TTCN)".[7]ISO/IEC9646-4:"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part4:Testrealization".[8]ISO/IEC9646-5:"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part5:Requirementsontestlaboratoriesandclientsfortheconformanceassessmentprocess".[9]ITU-TRecommendationI.413(1993):"B-ISDNuser-networkinterface".SIST EN 300 443-6:2000



ETSIETSIEN300443-6V1.1.3(1999-12)73Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingtermsanddefinitionsapply:ImplementationUnderTest(IUT):seeISO/IEC9646-1[4]SystemUnderTest(SUT):seeISO/IEC9646-1[4]AbstractTestSuite(ATS):seeISO/IEC9646-1[4]ProtocolImplementationConformanceStatement(PICS):seeISO/IEC9646-1[4]PICSproforma:seeISO/IEC9646-1[4]ProtocolImplementationeXtraInformationforTesting(PIXIT):seeISO/IEC9646-1[4]PIXITproforma:seeISO/IEC9646-1[4]LowerTester(LT):seeISO/IEC9646-1[4]UpperTester(UT):seeISO/IEC9646-1[4]PointofControlandObservation(PCO):seeISO/IEC9646-1[4]3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:ATMAbstractTestMethodATSAbstractTestSuiteB-ISDNBroadbandIntegratedServicesDigitalNetworkCMCo-ordinationMessageCPCo-ordinationPointDSS2DigitalSubscriberSignallingSystemNo.twoExTSExecutableTestSuiteISDNIntegratedServicesDigitalNetworkIUTImplementationUnderTestLTLowerTesterMOTMeansOfTestingMTCMainTestComponentPCOPointofControlandObservationPCTRProtocolConformanceTestReportPDUProtocolDataUnitPICSProtocolImplementationConformanceStatementPIXITProtocolImplementationeXtraInformationforTestingPTCParallelTestComponentSUTSystemUnderTestTPTestPurposeTTCNTreeandTabularCombinedNotationUTUpperTesterSIST EN 300 443-6:2000



ETSIETSIEN300443-6V1.1.3(1999-12)84AbstractTestMethod4.1DescriptionofATMusedTherequirementfortestingthenetworkIUTistofocusonthebehaviourofthenetworkIUTattheuser-networkinterfacewhereaTBreferencepointorcoincidentSBandTBreferencepointapplies.ThustheIUTisthenetworkDSS2protocolentityataparticularuser-networkinterfaceandisnotthewholenetwork.ItispossibletospecifyanATSbasedonasingleparty(remote)testmethodforsuchanIUT.However,itisconsideredthatanATSbasedonsuchanapproachisoflimiteduseastheonlywaytospecifyIUTgeneratedPDUsistousethe"implicitsend"statement.ManyusersofsuchanATSwouldreplacethe"implicitsend"statementswithdescriptionsofthebehaviouratotherinterfaces.AnATSbasedonamulti-partytestmethodisconsideredtobemoreusefulinthatitisclosertohowarealtestsuitewouldbeconstructed.Suchatestmethodspecifiesbehaviouratmultiplenetworkinterfaces.Oneveryimportantlimitationhereisthattestsarefocussedononeparticularinterface.ThusthetestsystemismadeuponeMainTestComponent(MTC)andoneormoreParallelTestComponents(PTC),seefigure1.4.2ConventionsfortestcomponentsandPCOsMasterpartSlavepartMTCAPTC1A1(CP)L0(PCO)L1(PCO)IUTNETWORKFigure1:Multi-partytestmethodInamaster/slavearrangement,theMTCisconsideredtobethemasterwhilethePTCsaretheslaves.The"slave"testersareonlyanexplicitdescriptionofhowtodealwiththeremoteinterfacesduringthetestingprocess,i.e."howtomaketheIUTsendtherequiredmessage".SIST EN 300 443-6:2000



ETSIETSIEN300443-6V1.1.3(1999-12)9Thismeans,inparticular,thattheverdictwillonlybeassignedfromtheprotocolaspectsobservedontheinterfaceundertest(i.e.bythe"master"tester),asitwouldbeobservedbyaterminalconnectedtothisinterface.Afailureinthecorrelationbetweentheprotocolatthedifferentinterfacestowhichthedifferenttestersareconnected,i.e.inthemechanismofthefunctionalserviceitself,willnotcauseaFAILverdict.Forinstance,iftheIUTfailstosendamessageonthetestedinterfaceafteranotherinterfacehasreceivedtheproperstimulus,theverdictwillbeINCONCLUSIVE.TheMTCMTCAhastwofunctionsinthisconfiguration.Firstly,ithastheMTCfunctionofcontrollingtheoneormorePTCs.ThusitisresponsibleforstartingthePTCsandafterwardsco-ordinatesactivitiesbyexchangingCo-ordinationMessages(CM)withthePTCs.SecondlyitisresponsibleforthebehaviouroftheLowerTester(LT)atPCOL0.Acombinationoftheremoteandmulti-partytestmethodsisapplied.Ascanbeseenfromfigure1,severalPCOsareused.AllPCOsresideattheserviceaccesspointsbetweenlayers2and3.MTCSUTPTC1Layer3Layer2Layer1L0IUTL1Layer3Layer2Layer1ServiceproviderFigure2:Combinationoftheremoteandmulti-partytestmethodsTheMTCPCOisnamed"L0"("L"forLower).TheL0PCOisusedtocontrolandobservethebehaviouroftheIUTandtestcaseverdictsareassigneddependingonthebehaviourobservedatthisPCO.ThePTCPTC1usesPCOsL1.ThesePCOisusedtocontroland,inalimitedway,observethebehaviourofthenetworkequipmentatinterfaceotherthantheoneundertest.NoverdictsareassignedatthisPCO.Asstatedinapreviousparagraph,thenon-receiptofnetworkgeneratedmessagesatL0,whicharestimulatedbyeventsattheL1,willresultinINCONCLUSIVEratherthanFAILverdictsbeingassigned.IntestcaseswhichverifythattheIUTrejectsinvalidorunacceptableSETUPmessagesandinthemajorityofthetestcasesfortherestartprocedures,noPTCisactivatedatall,astheseproceduresareconsideredlocaltotheaccessbetweenIUTandMTC.5UntestabletestpurposesTherearenountestabletestpurposesassociatedwiththisATS.6ATStoTPmapTheidentifiersusedfortheTPs(seeEN300443-5[3])arereusedastestcasenames.Thusthereisastraightforwardone-to-onemapping.SIST EN 300 443-6:2000



ETSIETSIEN300443-6V1.1.3(1999-12)107PCTRconformanceAtestlaboratory,whenrequestedbyaclienttoproduceaPCTR,isrequired,asspecifiedinISO/IEC9646-5[8],toproduceaPCTRconformantwiththePCTRtemplategiveninannexBofISO/IEC9646-5[8].Furthermore,atestlaboratory,offeringtestingfortheATSspecificationcontainedinannexC,whenrequestedbyaclienttoproduceaPCTR,isrequiredtoproduceaPCTRconformantwiththePCTRproformacontainedinannexAofthepresentdocument.APCTRwhichconformstothisPCTRproformaspecificationshallpreservethecontentandorderingoftheclausescontainedinannexA.ClauseA.6ofthePCTRmaycontainadditionalcolumns.Ifincluded,theseshallbeplacedtotherightoftheexistingcolumns.Textinitalicsmayberetainedbythetestlaboratory.8PIXITconformanceAtestrealizer,producinganexecutabletestsuitefortheAbstractTestSuite(ATS)specificationcontainedinannexC,isrequired,asspecifiedinISO/IEC9646-4[7],toproduceanaugmentedpartialPIXITproformaconformantwiththispartialPIXITproformaspecification.AnaugmentedpartialPIXITproformawhichconformstothispartialPIXITproformaspecificationshall,asaminimum,havecontentswhicharetechnicallyequivalenttoannexB.TheaugmentedpartialPIXITproformamaycontainadditionalquestionsthatneedtobeansweredinordertopreparetheMeansOfTesting(MOT)foraparticularImplementationUnderTest(IUT).Atestlaboratory,offeringtestingfortheATSspecificationcontainedinannexC,isrequired,asspecifiedinISO/IEC9646-5[8],tofurtheraugmenttheaugmentedpartialPIXITproformatoproduceaPIXITproformaconformantwiththispartialPIXITproformaspecification.APIXITproformawhichconformstothispartialPIXITproformaspecificationshall,asaminimum,havecontentswhicharetechnicallyequivalenttoannexB.ThePIXITproformamaycontainadditionalquestionsthatneedtobeansweredinordertopreparethetestlaboratoryforaparticularIUT.9ATSconformanceThetestrealizerproducingaMeansOfTesting(MOT)andExecutableTestSuite(ExTS)forthisAbstractTestSuite(ATS)specificationshallcomplywiththerequirementsofISO/IEC9646-4[7].Inparticular,theseconcerntherealizationofanExTSbasedoneachATS.ThetestrealizershallprovideastatementofconformanceoftheMOTtothisATSspecification.AnExTSwhichconformstothisATSspecificationshallcontaintestgroupsandtestcaseswhicharetechnicallyequivalenttothosecontainedintheATSinannexC.Allsequencesoftesteventscomprisinganabstracttestcaseshallbecapableofbeingrealizedintheexecutabletestcase.AnyfurthercheckingwhichthetestsystemmightbecapableofperformingisoutsidethescopeofthisATSspecificationandshallnotcontributetotheverdictassignmentforeachtestcase.TestlaboratoriesrunningconformancetestservicesusingthisATSshallcomplywithISO/IEC9646-5[8].AtestlaboratorywhichclaimstoconformtothisATSspecificationshalluseanMOTwhichconformstothisATS.SIST EN 300 443-6:2000



ETSIETSIEN300443-6V1.1.3(1999-12)11AnnexA(normative):ProtocolConformanceTestReport(PCTR)proformaNotwithstandingtheprovisionsofthecopyrightclauserelatedtothetextofthepresentdocument,ETSIgrantsthatusersofthepresentdocumentmayfreelyreproducethePCTRproformainthisannexsothatitcanbeusedforitsintendedpurposesandmayfurtherpublishthecompletedPCTR.A.1IdentificationsummaryA.1.1Protocolconformancetestrepo
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