SIST EN 302 093-4 V1.1.1:2005
(Main)Broadband Integrated Services Digital Network (B-ISDN); Digital Subscriber Signalling System No. two (DSS2) protocol; Point-to-point multiconnection bearer control specification in a separated call and bearer environment; Part 4 : Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification
General Information
- Abstract
Develop part 4 (ATS&PIXIT for the user)
- Status
- Published
- Publication Date
- 31-Dec-2004
- Technical Committee
- SPN - Services and Protocols for Networks
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Jan-2005
- Due Date
- 01-Jan-2005
- Completion Date
- 01-Jan-2005
- Mandate
- BC-T-338
Overview
SIST EN 302 093-4 V1.1.1:2005 is a Slovenian national standard that adopts EN 302 093-4 for the European market. It addresses the Broadband Integrated Services Digital Network (B-ISDN) and the Digital Subscriber Signalling System No. two (DSS2) protocol, focusing on point-to-point multiconnection bearer control within a separated call and bearer environment. Specifically, Part 4 covers the Abstract Test Suite (ATS) and the Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification. The main goal of this part is to define rigorous guidelines and templates for verifying conformance of DSS2-bearer control protocol implementations at the user-network interface, ensuring high reliability and interoperability within B-ISDN services.
Key Topics
- Abstract Test Suite (ATS):
- Specifies a structured set of test cases for conformance testing of DSS2 point-to-point multiconnection bearer control.
- Utilizes tree and tabular notation (TTCN) for systematic and standardized test representation.
- Focuses on behavior at key interface points, employing multi-party and remote test methods.
- PIXIT Proforma Specification:
- Details the extra information implementers and testing laboratories must provide to perform effective protocol testing.
- Covers configuration, timing parameters, and specific values for protocol elements.
- Test Procedures and Components:
- Describes roles of Main Test Component (MTC), Parallel Test Components (PTCs), and Points of Control and Observation (PCOs).
- Emphasizes a master/slave test arrangement, where verdicts for conformance are assigned based on observed protocol behavior.
- Conformance Reporting:
- Provides templates for the Protocol Conformance Test Report (PCTR) and partial PIXIT proforma, facilitating standardized documentation of results.
- Testing Methodology:
- Aligns with ISO/IEC 9646 methodologies for open systems interconnection conformance testing.
Applications
- Vendor Interoperability:
Enables network equipment manufacturers and protocol implementers to ensure that their DSS2-based B-ISDN products conform to European requirements, fostering seamless integration across multi-vendor environments. - Test Laboratory Operations:
Provides accredited test laboratories with clear procedures and report templates to evaluate, document, and certify conformance to the DSS2 bearer control specification. - Network Operators and Integrators:
Assists network operators, telecom integrators, and system buyers in specifying standardized testing requirements during procurement and acceptance processes. - Protocol Stack Development:
Guides protocol stack developers in implementing and validating key interface behaviors, promoting reliable and error-free communication mechanisms in ISDN deployments.
Related Standards
- EN 302 093-1:
Protocol specification for DSS2 bearer control in B-ISDN environments. - EN 302 093-2:
Protocol Implementation Conformance Statement (PICS) proforma specification. - EN 302 093-3:
Test Suite Structure and Test Purposes (TSS&TP) specification. - ISO/IEC 9646 Series:
International standards for open systems interconnection conformance testing methodology and framework. - ITU-T Recommendation I.413:
Specifies the B-ISDN user-network interface, relevant for reference points described in this standard.
By adhering to SIST EN 302 093-4 V1.1.1:2005, organizations strengthen protocol compliance and interoperability within B-ISDN networks, reduce implementation risks, and ensure services meet rigorous European telecommunications standards. This part is essential for any entity engaged in conformance testing or development of DSS2 protocol solutions.
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Frequently Asked Questions
SIST EN 302 093-4 V1.1.1:2005 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Broadband Integrated Services Digital Network (B-ISDN); Digital Subscriber Signalling System No. two (DSS2) protocol; Point-to-point multiconnection bearer control specification in a separated call and bearer environment; Part 4 : Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification". This standard covers: Develop part 4 (ATS&PIXIT for the user)
Develop part 4 (ATS&PIXIT for the user)
SIST EN 302 093-4 V1.1.1:2005 is classified under the following ICS (International Classification for Standards) categories: 33.080 - Integrated Services Digital Network (ISDN). The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 302 093-4 V1.1.1:2005 is associated with the following European legislation: Standardization Mandates: BC-T-338. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
SIST EN 302 093-4 V1.1.1:2005 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.UPLOMHQMDBroadband Integrated Services Digital Network (B-ISDN); Digital Subscriber Signalling System No. two (DSS2) protocol; Point-to-point multiconnection bearer control specification in a separated call and bearer environment; Part 4 : Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification33.080Digitalno omrežje z integriranimi storitvami (ISDN)Integrated Services Digital Network (ISDN)ICS:Ta slovenski standard je istoveten z:EN 302 093-4 Version 1.1.1SIST EN 302 093-4 V1.1.1:2005en01-januar-2005SIST EN 302 093-4 V1.1.1:2005SLOVENSKI
STANDARD
ETSIEN302093-4V1.1.1(2000-09)EuropeanStandard(Telecommunicationsseries)BroadbandIntegratedServicesDigitalNetwork(B-ISDN);DigitalSubscriberSignallingSystemNo.two(DSS2)protocol;Point-to-pointmulticonnectionbearercontrolspecificationinaseparatedcallandbearerenvironment;Part4:AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecificationSIST EN 302 093-4 V1.1.1:2005
ETSIETSIEN302093-4V1.1.1(2000-09)2ReferenceDEN/SPAN-05155-4KeywordsB-ISDN,DSS2,ATS,bearer,control,testing,PIXITETSI650RoutedesLuciolesF-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.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 302 093-4 V1.1.1:2005
ETSIETSIEN302093-4V1.1.1(2000-09)3ContentsIntellectualPropertyRights.5Foreword.51Scope.62References.63Definitionsandabbreviations.73.1Definitions.73.2Abbreviations.74AbstractTestMethod.84.1DescriptionofATMused.84.2ConventionsfortestcomponentsandPCOs.85Untestabletestpurposes.96ATStoTPmap.107PCTRconformance.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.13A.7Observations.13AnnexB(normative):PartialPIXITproforma.14B.1Identificationsummary.14B.2Abstracttestsuitesummary.14B.3Testlaboratory.14B.4Client(oftheTestLaboratory).15B.5SUT.15B.6Protocolinformation.16B.6.1Protocolidentification.16B.6.2Configurationtobetested.16B.6.3Testmanagementtimers.16B.6.4ParameterValues.17SIST EN 302 093-4 V1.1.1:2005
ETSIETSIEN302093-4V1.1.1(2000-09)4AnnexC(Normative):AbstractTestSuite(ATS).18C1TheTTCNGraphicalform(TTCN.GR).18C2TheTTCNMachineProcessableform(TTCN.MP).18History.19SIST EN 302 093-4 V1.1.1:2005
ETSIETSIEN302093-4V1.1.1(2000-09)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-partstandardcoveringtheDigitalSubscriberSignallingSystemNo.two(DSS2)protocol;Point-to-pointmulticonnectionbearercontrolspecificationinaseparatedcallandbearerenvironment,asidentifiedbelow:Part1:"Protocolspecification";Part2:"ProtocolImplementationConformanceStatement(PICS)proformaspecification";Part3:"TestSuiteStructureandTestPurposes(TSS&TP)specification";Part4:"AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecification".NationaltranspositiondatesDateofadoptionofthisEN:25August2000DateoflatestannouncementofthisEN(doa):30November2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31May2001DateofwithdrawalofanyconflictingNationalStandard(dow):31May2001SIST EN 302 093-4 V1.1.1:2005
ETSIETSIEN302093-4V1.1.1(2000-09)61ScopeThepresentdocumenttheAbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformafortheTBreferencepointorcoincidentSBandTBreferencepoint(asdefinedinITU-TRecommendationI.413[10])ofimplementationsconformingtothestandardsforthesignallinguser-networklayer3specificationforthebearercontrolprotocolforpoint-to-pointmulticonnectioncallsoftheDigitalSubscriberSignallingSystemNo.two(DSS2)protocolforthepan-EuropeanBroadbandIntegratedServicesDigitalNetwork(B-ISDN),EN302093-1[1].AfurtherpartofthepresentdocumentspecifiestheTestSuiteStructureandTestPurposes(TSS&TP)relatedtothisATSandpartialPIXITproforma.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.[1]ETSIEN302093-1:"BroadbandIntegratedServicesDigitalNetwork(B-ISDN);DigitalSubscriberSignallingSystemNo.two(DSS2)protocol;Point-to-pointmulticonnectionbearercontrolspecificationinaseparatedcallandbearerenvironment;Part1:Protocolspecification".[2]ETSIEN302093-2:"BroadbandIntegratedServicesDigitalNetwork(B-ISDN);DigitalSubscriberSignallingSystemNo.two(DSS2)protocol;Point-to-pointmulticonnectionbearercontrolspecificationinaseparatedcallandbearerenvironment;Part2:ProtocolImplementationConformanceStatement(PICS)proformaspecification".[3]ETSIEN302093-3:"BroadbandIntegratedServicesDigitalNetwork(B-ISDN);DigitalSubscriberSignallingSystemNo.two(DSS2)protocol;Point-to-pointmulticonnectionbearercontrolspecificationinaseparatedcallandbearerenvironment;Part3:TestSuiteStructureandTestPurposes(TSS&TP)specification".[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".[7]ISO/IEC9646-4:"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework,Part4:Testrealization".[8]ISO/IEC9646-5:"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework,Part5:Requirementsontestlaboratoriesandclientsfortheconformanceassessmentprocess".[9]ETSIEN302092-1:"BroadbandIntegratedServicesDigitalNetwork(B-ISDN)andBroadbandPrivateIntegratedServicesNetwork(B-PISN);DigitalSubscriberSignallingSystemNo.two(DSS2),BroadbandInter-ExchangeSignalling(B-QSIG),andSignallingSystemNo.7(SS7);Callcontrolinaseparatedcallandbearercontrolenvironment;Part1:Protocolspecification".[10]ITU-TRecommendationI.413:"B-ISDNuser-networkinterface".SIST EN 302 093-4 V1.1.1:2005
ETSIETSIEN302093-4V1.1.1(2000-09)73Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingtermsanddefinitionsapplyinadditiontothedefinitionsinEN302092-1[9]:Abstracttestcase:RefertoISO/IEC9646-1[4]AbstractTestMethod(ATM):RefertoISO/IEC9646-1[4]AbstractTestSuite(ATS):RefertoISO/IEC9646-1[4]ImplementationUnderTest(IUT):RefertoISO/IEC9646-1[4]Lowertester(LT):RefertoISO/IEC9646-1[4]ProtocolImplementationConformanceStatement(PICS):RefertoISO/IEC9646-1[4]PICSproforma:RefertoISO/IEC9646-1[4]ProtocolImplementationeXtraInformationforTesting(PIXIT):RefertoISO/IEC9646-1[4]PIXITproforma:RefertoISO/IEC9646-1[4]PointofControlandObservation(PCO):RefertoISO/IEC9646-1[4]SystemUnderTest(SUT):RefertoISO/IEC9646-1[4]TestPurpose(TP):RefertoISO/IEC9646-1[4]UpperTester(UT):RefertoISO/IEC9646-1[4]3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:ATMAbstractTestMethodATSAbstractTestSuiteB-ISDNBroadbandIntegratedServicesDigitalNetworkCMCo-ordinationMessageCPCo-ordinationPointDSS2DigitalSubscriberSignallingSystemNo.twoExTSExecutableTestSuiteIUTImplementationUnderTestLTLowerTesterMOTMeansOfTestingMTCMainTestComponentPCOPointofControlandObservationPDUProtocolDataUnitPICSProtocolImplementationConformanceStatementPIXITProtocolImplementationeXtraInformationforTestingPTCParallelTestComponentSUTSystemUnderTestTCPTestCo-ordinationProceduresTPTestPurposeTTCNTreeandTabularCombinedNotationUTUpperTesterSIST EN 302 093-4 V1.1.1:2005
ETSIETSIEN302093-4V1.1.1(2000-09)84AbstractTestMethod4.1DescriptionofATMusedTherequirementfortestingthenetworkIUTistofocusonthebehaviourofthenetworkIUTattheuser-networkinterfacewhereaTBreferencepointorcoincidentSBandTBreferencepointapplies.ThustheIUTisthenetworkDSS2protocolentityataparticularuser-networkinterfaceandisnotthewholenetwork.ItispossibletospecifyanATSbasedonaSingleparty(remote)testmethodforsuchanIUT.However,itisconsideredthatanATSbasedonsuchanapproachisoflimiteduseastheonlywaytospecifyIUTgeneratedPDUsistousethe"implicitsend"statement.ManyusersofsuchanATSwouldreplacethe"implicitsend"statementswithdescriptionsofthebehaviouratotherinterfaces.AnATSbasedonamulti-partytestmethodisconsideredtobemoreusefulinthatitisclosertohowarealtestsuitewouldbeconstructed.Suchatestmethodspecifiesbehaviouratmultiplenetworkinterfaces.Oneveryimportantlimitationhereisthattestsarefocussedononeparticularinterface.ThusthetestsystemismadeuponeMainTestComponent(MTC)andoneormoreParallelTestComponents(PTC),seefigure1.4.2ConventionsfortestcomponentsandPCOsMasterpartOPERATORSlavepartO(PCO)A1(CP)L0(PCO)L1(PCO)IUTNETWORKFigure1:Multi-partytestmethodInamaster/slavearrangement,theMTCisconsideredtobethemasterwhilethePTCsaretheslaves.The"slave"testersareonlyanexplicitdescriptionofhowtodealwiththeremoteinterfacesduringthetestingprocess,i.e."howtomaketheIUTsendtherequiredmessage".SIST EN 302 093-4 V1.1.1:2005
ETSIETSIEN302093-4V1.1.1(2000-09)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.MTCSUTPTC1Layer3Layer2Layer1L0IUTL1Layer3Layer2Layer1ServiceproviderFigure2:Combinationoftheremoteandmulti-partytestmethodsTheMTCPCOisnamed"L0"("L"forLower)and"O".TheL0PCOisusedtocontrolandobservethebehaviouroftheIUTandtestcaseverdictsareassigneddependingonthebehaviourobservedatthisPCO.ISO/IEC9646-2[5]allowstheinformalexpressionofTestCo-ordinationProcedures(TCP)betweentheSystemUnderTest(SUT)upperlayer(s)andtheLowerTester(LT).IntheATScontainedinannexC,TCPisachievedbyuseofasecond"informal"PCO,called"O"(forOperator).ThisPCOisusedtospecifycontrolbutnotobservationabovetheIUTandconsequently,eventsatthisPCOareneverusedtogeneratetestcaseverdicts.TheuseofthisOPCOisregardedasapreferredalternativetotheuseoftheimplicitsendevent,inthatitallowstheATStospecifyinaclearandmeaningfulwaywhatactionsarerequiredtobeperformedontheIUT.AsanalternativeofL1,theOPCOisusedforanendCCenity.ThePTCPTC1usesPCOsL1.ThesePCOisusedtocontroland,inalimitedway,observethebehaviourofthenetworkequipmentatinterfaceotherthantheoneundertest.NoverdictsareassignedatthisPCO.Asstatedinapreviousparagraph,thenon-receiptofnetworkgeneratedmessagesatL0,whicharestimulatedbyeventsattheL1,willresultinINCONCLUSIVEratherthanFAILverdictsbeinga
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