ETSI EN 301 384 V1.1.2 (2001-02)

Telecommunications Management Network (TMN); Performance monitoring for Plesiochronous Digital Hierarchy (PDH) interfaces; Information model for the Network Element (NE) view

REN/TMN-00050

Telekomunikacijsko upravljavno omrežje (TMN) - Nadzorovanje zmogljivosti vmesnikov pleziohrone digitalne hierarhije (PDH) - Informacijski model, gledano s strani omrežnega elementa (NE)

General Information

• Status: Published
• Publication Date: 26-Feb-2001
• Technical Committee: TMN - Telecommunications Management Network
• Current Stage: 12 - Completion
• Due Date: 02-Mar-2001
• Completion Date: 27-Feb-2001
• Ref Project: SIST EN 301 384 V1.1.2:2003 - Telecommunications Management Network (TMN); Performance monitoring for Plesiochronous Digital Hierarchy (PDH) interfaces; Information model for the Network Element (NE) view

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Telekomunikacijsko upravljavno omrežje (TMN) - Nadzorovanje zmogljivosti vmesnikov pleziohrone digitalne hierarhije (PDH) - Informacijski model, gledano s strani omrežnega elementa (NE)Telecommunications Management Network (TMN); Performance monitoring for Plesiochronous Digital Hierarchy (PDH) interfaces; Information model for the Network Element (NE) view33.040.35Telefonska omrežjaTelephone networksICS:Ta slovenski standard je istoveten z:EN 301 384 Version 1.1.2SIST EN 301 384 V1.1.2:2003en01-november-2003SIST EN 301 384 V1.1.2:2003SLOVENSKI
STANDARD



SIST EN 301 384 V1.1.2:2003



ETSIEN301384V1.1.2(2001-02)EuropeanStandard(Telecommunicationsseries)TelecommunicationsManagementNetwork(TMN);PerformancemonitoringforPlesiochronousDigitalHierarchy(PDH)interfaces;InformationmodelfortheNetworkElement(NE)viewSIST EN 301 384 V1.1.2:2003



ETSIETSIEN301384V1.1.2(2001-02)2ReferenceREN/TMN-00050KeywordsNE,PDH,performance,Q3interface,transmissionETSI650RoutedesLuciolesF-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 301 384 V1.1.2:2003



ETSIETSIEN301384V1.1.2(2001-02)3ContentsIntellectualPropertyRights.4Foreword.41Scope.52References.63Abbreviations.74PerformanceMonitoringManagementModel.75Managedobjectclassdefinitions.76Packages.137Attributes.138Actions.139Notifications.1310Namebindings.1311ASN.1definitions.15History.17SIST EN 301 384 V1.1.2:2003



ETSIETSIEN301384V1.1.2(2001-02)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)hasbeenproducedbyETSITechnicalCommitteeTelecommunicationsManagementNetwork(TMN).NationaltranspositiondatesDateofadoptionofthisEN:23February2001DateoflatestannouncementofthisEN(doa):31May2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):30November2001DateofwithdrawalofanyconflictingNationalStandard(dow):30November2001SIST EN 301 384 V1.1.2:2003



ETSIETSIEN301384V1.1.2(2001-02)51ScopeThepresentdocumentprovidesaninformationmodelfortheperformancemonitoringofSynchronousDigitalHierarchy(SDH)network.Thismodeldescribesthemanagedobjectclassesandtheirpropertiesfortheperformancemonitoringfunction,asdefinedinITU-TRecommendationG.784[1]andEN301167[2]andasrelatedtoSDHNetworkElements(NEs).TheseobjectsareusefultodescribeinformationexchangedacrossinterfacesdefinedinITU-TRecommendationM.3010[3]TelecommunicationsManagementNetwork(TMN)architectureforthemanagementoftheperformancemonitoringfunction.PDHperformancemonitoringfunctionsareusedtomonitorspecifiedperformanceeventsofspecifiedterminationpointsmanagedobjectsasdefinedinEN300371[4]andtoreporttheseperformancedata,aswellasqualityofservicealarmstoitsmanagingsystemaccordingtoagivenschedule.ITU-TRecommendationM.2120[5]definesmaintenanceoftransportnetwork,ITU-TRecommendationG.784[1]definesthemanagementofSDHbasedNE.ThepresentdocumentdefinestheobjectmodelbasedonITU-TRecommendationQ.822[6]accordingtotherequirementsdescribedinITU-TRecommendationG.784[1],EN301167[2]andITU-TRecommendationM.2120[5].ThismodelusesgenericmechanismdefinedinITU-TRecommendationQ.822[6].Thepresentdocumentdefines:-aninformationmodel,asrelatedtotheperformancemonitoringfunctionforthePlesiochronousDigitalHierarchy(PDH).Thepresentdocumentdoesnotdefine:-theprotocolstacktobeusedformessagecommunication;-thenetworklevelmanagementprocesses;-theapplicationcontexts;-theconformancerequirementstobemetbyanimplementationofthisinformationmodel;-informationmodelsforothersystemsorequipment.Theinformationmodeldefinedhere(andthecorrespondingmessageset)isconcernedwiththemanagementofNEs,theequipmentbywhichtheyareimplementedandthefunctionscontainedwithinthem.Moreprecisely,itappliestoanequipmentdomainvisibleattheelementmanagertoelementinterfaceandisonlyconcernedwithinformationavailablewithinthatdomain.Informationpropertothedomainofanetworklevelmanagementprocessisnotincludedwithinthismodel.SIST EN 301 384 V1.1.2:2003



ETSIETSIEN301384V1.1.2(2001-02)62ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,subsequentrevisionsdoapply.[1]ITU-TRecommendationG.784(1994):"SynchronousDigitalHierarchy(SDH)management".[2]ETSIEN301167:"TransmissionandMultiplexing(TM);ManagementofSynchronousDigitalHierarchy(SDH)transmissionequipment;Faultmanagementandperformancemonitoring;Functionaldescription".[3]ITU-TRecommendationM.3010(1996):"Principlesforatelecommunicationsmanagementnetwork".[4]ETSIEN300371:"TelecommunicationsManagementNetwork(TMN);PlesiochronousDigitalHierarchy(PDH)informationmodelfortheNetworkElement(NE)view".[5]ITU-TRecommendationM.2120(1997):"PDHpath,sectionandtransmissionsystemandSDHpathandmultiplexsectionfaultdetectionandlocalizationprocedures".[6]ITU-TRecommendationQ.822(1994):"Stage1,stage2andstage3descriptionfortheQ3interface-Performancemanagement".[7]ITU-TRecommendationG.774-01(1996):"SynchronousDigitalHierarchy(SDH)bidirectionalperformancemonitoringforthenetworkelementview".[8]ITU-TRecommendationG.774-06(1997):"SynchronousDigitalHierarchy(SDH)unidirectionalperformancemonitoringforthenetworkelementview".[9]ETSIEN300417-1-1:"TransmissionandMultiplexing(TM);Genericrequirementsoftransportfunctionalityofequipment;Part1-1:Genericprocessesandperformance".[10]ETSIEN300417-5-1:"TransmissionandMultiplexing(TM);Genericrequirementsoftransportfunctionalityofequipment;Part5-1:PlesiochronousDigitalHierarchy(PDH)pathlayerfunctions".[11]ITU-TRecommendationG.826(1996):"Errorperformanceparametersandobjectivesforinternational,constantbitratedigitalpathsatorabovetheprimaryrate".[12]ITU-TRecommendationX.739(1993):"Informationtechnology-OpenSystemsInterconnection-Systemsmanagement:Metricobjectsandattributes".[13]ITU-TRecommendationM.3100(1995):"Genericnetworkinformationmodel".SIST EN 301 384 V1.1.2:2003



ETSIETSIEN301384V1.1.2(2001-02)73AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:BBEBackgroundBlockErrorCSESConsecutiveSeverelyErroredSecondsCTPConnectionTerminationPointESErroredSecondFEBBEFarEndBackgroundBlockErrorFEESFarEndErroredSecondFESESFarEndSeverelyErroredSecondsNENetworkElementPDHPlesiochronousDigitalHierarchySDHSynchronousDigitalHierarchySEMFSynchronousEquipmentManagementFunctionSESSeverelyErroredSecondTMNTelecommunicationsManagementNetworkTRThresholdResetTTPTrailTerminationPointUASUnavailableSeconds4PerformanceMonitoringManagementModelTheperformancemonitoringrequirementstobemetbytheSDHEquipmentManagementFunction(SEMF)aredescribedinITU-TRecommendationG.784[1],clause5.3andinEN301167[2],clauses5.1to5.2.ThefunctionalmodelgivenintheSEMFforperformancemonitoringofSDHsignalsisbasicallyapplicableforPDHsignalsaswell.5ManagedobjectclassdefinitionsInthecontextofthepresentdocument,theIMPORTSclausespecifiestheobjectclasseswhichcanbeinstantiatedintheScopeofthepresentdocument.TheIMPORTSclausedoesnotincludeuninstantiatedsuperclasses.BEGINIMPORTScurrentData,historyDataFROMQ822-PM-ASN1Module{itu(0)recommendation(0)q(17)q822(822)informationModel(0)managedObjectClass(3)};ENDPDHCurrentDataUnidirectionalpdhCurrentDataUnidirectionalMANAGEDOBJECTCLASSDERIVEDFROM"RecommendationQ.822[6]:1993":currentData;CHARACTERIZEDBY"RecommendationQ.822[6]:1993":zeroSuppressionPkg,"RecommendationQ.822[6]:1993":thresholdPkg,pdhCurrentDataUnidirectionalPackagePACKAGEBEHAVIOURpdhCurrentDataUnidirectionalBehaviour;ATTRIBUTES"RecommendationM.3100[13]:1995":currentProblemListGET,"RecommendationX.739[12]:1993":granularityPeriodPERMITTEDVALUESPDHPMASN1.UniDGranularityPeriod;;;CONDITIONALPACKAGES"RecommendationG.774-01[7]:1994":historyPackagePRESENTIF"aninstancedoesnotsupportflexibleassignmentofthehistorylength","RecommendationG.774-01[7]:1994":unavailableTimeAlarmPackagePRESENTIF"startingandendingofunavailableperiodhastobereportedandthegranularityperiodis24hours";REGISTEREDAS{en1384ObjectClass1};SIST EN 301 384 V1.1.2:2003



ETSIETSIEN301384V1.1.2(2001-02)8pdhCurrentDataUnidirectionalBehaviourBEHAVIOURDEFINEDAS"ThepdhCurrentDataUnidirectionalclassisusedtodefinegenericcharacteristicforunidirectionalPDHperformancemonitoringfromwhichsubclassesaredefinedinordertoholdperformanceeventcountsforaspecificmonitoringpoint.SubclassesofthisclassareusedinordertosupportperformancemonitoringofPDHtrailsatvariouslayersasdescribedinEN300417-5-1[10].TheperformancemonitoringeventsES,SESandBBEwhicharemonitoredbysomeofthesubclassesofthissubclassaredefinedinannexB/G.826[11]andarebasedontheperformanceeventprimitivesspecifiedinEN300417-1-1[9]andEN300417-5-1[10].ThegranularityPeriodattributecanonlybeassignedavalueatcreationtime.ThisclasscanonlycontainonereferencetoaninstanceofthethresholdDataobjectclassinthethresholdDataInstanceattribute.IfathresholdisreachedorcrossedthenthecurrentProblemListattributeshallindicateitwiththeprobablecausethresholdCrossed.Subclassofthisclassisusedtomonitorthenear-endorfar-endperformancedataofthetrail.Aperiodofunavailabletimebeginsattheonsetof10consecutiveSESevents.Thesetensecondsareconsideredtobepartofunavailabletime.Anewperiodofavailabletimebeginsattheonsetoftenconsecutivenon-SESevents.Thesetensecondsareconsideredtobepartofavailabletime.Theunavailabilityconditionsarekeptseparatefornearendandfarendmonitoring.Thismeansthatnearendunavailabilityisdeducedfromnearendconditionsonly(e.g.10consecutiveSESatthenearend)andfarendunavailabilityisdeducedfromfarendconditionsonly(e.g.10consecutiveSESatthefarend).Forthresholdresetsubclassesofthisobjectclassthefollowingrulesapply:NomorethanoneQOSalarmshallbegenerateduntiltherehasbeena15minutesrectangularfixedwindowwithlesserrorcountthanthelowerrorcountthresholdandnounavailableperiodexists.Toprovisionthehighandlowthresholdvalue,thecounterThresholdAttributListattributeoftheITU-TRecommendationQ.822[6]thresholdDataInstanceisused.Inthisattributeallthethresholds(highandlow)foreachnecessarycounterarestoredinalist.Thismeansforexample,thatthehighthresholdforESandthelowthresholdforESareindividuallystoredinthesamelist.Itisuptothenetworkelementtorecognizewhichisthehighandwhichisthelowone.IftheunavailableTimeAlarmPackageispresentandifanunavailableperiodstartsthenacommunicationalarmshallbesentwithaprobablecauseofUnavailableandthepresenceofthisunavailableconditionisindicatedbythecurrentProblemListattribute.IfanunavailableperiodisendingthenacommunicationalarmshallbesentwithaprobablecauseofUnavailableandaseverityofCleared.Anavailableconditionisindicatedbytheabsenceoftheunavailableconditioninthecurrentproblemlist.TheunavailableconditionhasnoeffectontheoperationalState.Eachsubclassofthisclassshalldefinetheperformanceattributesrequiredtoholdthemandatoryoroptionalperformanceevents.Theseperformanceeventcounts(exceptUAS)areinhibitedduringunavailabletimeofitsowndirection(atthenearendoratthefarend).AttributeswhicharedefinedinasubclassofthisclassshallbeincludedinhistoryinformationusingthehistoryData,oroneofitssubclass,unlessitisexplicitlyspecifiedinthesubclassofthisclassthataparticularattributebenotincluded.Eachsubclassofthisclassshallindicatewhichsubclassofthehistorydataisusedforhistoryretention.Thefollowingconditionalpackagesarenotusedinthisclass:filterSuppressionPkg,observedManagedObjectPkg.Concerningthesubclassesofthisclassthefollowingruleapplies:Ifasubclassofthisclasshasagranularityperiodof15minutes,itshouldbeeitheraninstancewiththethresholdresetfunctionalityoraninstancewithoutthisfunctionalityinstantiated(perterminationpoint),butnotboth.";PDHCurrentDataNearEndpdhCurrentDataNearEndMANAGEDOBJECTCLASSDERIVEDFROMpdhCurrentDataUnidirectional;CHARACTERIZEDBYpdhCurrentDataNearEndPackagePACKAGEBEHAVIOURpdhCurrentDataNearEndBehaviour;ATTRIBUTES"RecommendationG.774-01[7]:1994":bBEREPLACE-WITH-DEFAULTGET,"RecommendationG.774-01[7]:1994":eSREPLACE-WITH-DEFAULTGET,"RecommendationG.774-01[7]:1994":sESREPLACE-WITH-DEFAULTGET;;;CONDITIONALPACKAGES"RecommendationG.774-06[8]:1997":nearEndUASCurrentDataPackagePRESENTIF"aninstancesupportsit","RecommendationG.774-01[7]:1994":cSESCurrentDataPackagePRESENTIF"thegranularityperiodis15minutesandaninstancesupportsit";REGISTEREDAS{en1384ObjectClass2};pdhCurrentDataNearEndBehaviourBEHAVIOURDEFINEDAS"InstancesofthepdhCurrentDataNearEndmanagedobjectclassareusedtoholdthecurrentnearendregistercountsforaPDHpathduringacollectionperiod.Thefollowingperformanceprimitivesareobserved:DefectSeconds(pN_DS)andErroredBlocks(nN_B).SIST EN 301 384 V1.1.2:2003



ETSIETSIEN301384V1.1.2(2001-02)9TheseprimitivesareprovidedbymonitoringfunctionsrepresentedinsuperiorPDHterminationpointsandaredefinedinPDHpathlayersaccordingEN300417-5-1[10].Fortheseperformanceprimitivesthefollowingperformanceeventsaredefined:BBEBackgroundBlockError.ESErroredSecond.SESSeverelyErroredSecond.UASUnavailableSecond:Thiscounterisusedtostoreonesecondintervalspertainingtoanunavailabletimeperiodatthenearend.Inaddition,theoptionalperformanceeventCSES(ConsecutiveSES)isdefined.ThismanagedobjectclassusesthepdhPathHistoryDataNearEndmanagedobjectclassforhistoryretention.AQOSalarmshallbesentassoonasathresholdisreachedorcrossed.AttheendofthegranularityperiodtheQOSalarmisimplicitlyclearedand,providingtherearenootheroutstandingthresholdcrossingQOSalarms,thresholdCrossingisremovedfromthecurrentProblemList(i.e.nonotificationissent).AnewQOSalarmshallbesentifthethresholdisreachedorcrossedagainduringthenextgranularityperiod.Onlyonethresholdvalueperperformancecounterwillbesupported.";PDHCurrentDataNearEndThresholdResetpdhCurrentDataNearEndTRMANAGEDOBJECTCLASSDERIVEDFROMpdhCurrentDataNearEnd;CHARACTERIZEDBY"RecommendationG.774-01[7]:1994":thresholdResetPackage,pdhCurrentDataNearEndTRPackagePACKAGEATTRIBUTES"RecommendationX.739[12]:1993":granularityPeriodPERMITTEDVALUESPDHPMASN1.TRGranularityPeriod;;;REGISTEREDAS{en1384ObjectClass3};PDHCurrentDataFarEndpdhCurrentDataFarEndMANAGEDOBJECTCLASSDERIVEDFROMpdhCurrentDataUnidirectional;CHARACTERIZEDBYpdhFarEndCurrentDataPkg,pdhCurrentDataFarEndPac
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