1、NORME INTERNATIONALE CEI IEC INTERNATIONAL STANDARD 61334461 Premiredition Firstedition 199807 Automatisationdeladistributionlaide desystmesdecommunication courantsporteurs Partie461: Protocolesdecommunicationdedonnes CoucherseauProtocolesansconnexion Distributionautomationusing distributionlinecarr
2、iersystems Part461: Datacommunicationprotocols NetworklayerConnectionlessprotocol Numroderfrence Referencenumber CEI/IEC61334461:1998Numrosdespublications Depuisle1erjanvier1997,lespublicationsdelaCEI sontnumrotespartirde60000. Publicationsconsolides Lesversionsconsolidesdecertainespublicationsde la
3、CEIincorporantlesamendementssontdisponibles. Parexemple,lesnumrosddition1.0,1.1et1.2 indiquentrespectivementlapublicationdebase,la publicationdebaseincorporantlamendement1,et lapublicationdebaseincorporantlesamendements1 et2. Validitdelaprsentepublication LecontenutechniquedespublicationsdelaCEIest
4、constammentrevuparlaCEIafinquilreflteltat actueldelatechnique. Desrenseignementsrelatifsladatedere confirmationdelapublicationsontdisponiblesdans leCataloguedelaCEI. Lesrenseignementsrelatifsdesquestionsltudeet destravauxencoursentreprisparlecomittechnique quiatablicettepublication,ainsiquelalistede
5、s publicationstablies,setrouventdanslesdocuments cidessous: SitewebdelaCEI* CataloguedespublicationsdelaCEI Publiannuellementetmisjourrgulirement (Catalogueenligne)* BulletindelaCEI DisponiblelafoisausitewebdelaCEI* etcommepriodiqueimprim Terminologie,symbolesgraphiques etlittraux Encequiconcernelat
6、erminologiegnrale,lelecteur sereporteralaCEI60050: VocabulaireElectro techniqueInternational (VEI). Pourlessymbolesgraphiques,lessymboleslittraux etlessignesdusagegnralapprouvsparlaCEI,le lecteurconsulteralaCEI60027: Symboleslittraux utiliserenlectrotechnique,laCEI60417:Symboles graphiquesutilisable
7、ssurlematriel.Index,relevet compilationdesfeuillesindividuelles, etlaCEI60617: Symbolesgraphiquespourschmas. * Voiradressesitewebsurlapagedetitre. Numbering Asfrom1January1997allIECpublicationsare issuedwithadesignationinthe60000series. Consolidatedpublications ConsolidatedversionsofsomeIECpublicati
8、ons includingamendmentsareavailable.Forexample, editionnumbers1.0,1.1and1.2refer,respectively,to thebasepublication,thebasepublicationincor poratingamendment1andthebasepublication incorporatingamendments1and2. Validityofthispublication ThetechnicalcontentofIECpublicationsiskeptunder constantreviewby
9、theIEC,thusensuringthatthe contentreflectscurrenttechnology. Informationrelatingtothedateofthereconfirmationof thepublicationisavailableintheIECcatalogue. Informationonthesubjectsunderconsiderationand workinprogressundertakenbythetechnicalcom mitteewhichhaspreparedthispublication,aswellas thelistofp
10、ublicationsissued,istobefoundatthe followingIECsources: IECwebsite* CatalogueofIECpublications Publishedyearlywithregularupdates (Onlinecatalogue)* IECBulletin AvailablebothattheIECwebsite*and asaprintedperiodical Terminology,graphicalandletter symbols Forgeneralterminology,readersarereferredto IEC6
11、0050:InternationalElectrotechnicalVocabulary (IEV). Forgraphicalsymbols,andlettersymbolsandsigns approvedbytheIECforgeneraluse,readersare referredtopublicationsIEC60027: Lettersymbolsto beusedinelectricaltechnology ,IEC60417: Graphical symbolsforuseonequipment.Index,surveyand compilationofthesingles
12、heets andIEC60617: Graphicalsymbolsfordiagrams. * Seewebsiteaddressontitlepage.NORME INTERNATIONALE CEI IEC INTERNATIONAL STANDARD 61334461 Premiredition Firstedition 199807 Automatisationdeladistributionlaide desystmesdecommunication courantsporteurs Partie461: Protocolesdecommunicationdedonnes Cou
13、cherseauProtocolesansconnexion Distributionautomationusing distributionlinecarriersystems Part461: Datacommunicationprotocols NetworklayerConnectionlessprotocol CommissionElectrotechniqueInternationale InternationalElectrotechnicalCommission Pourprix,voircatalogueenvigueur Forprice,seecurrentcatalog
14、ue IEC1998Droitsdereproductionrservs Copyrightallrightsreserved Aucunepartiedecettepublicationnepeuttrereproduiteni utilisesous quelqueformequecesoitetparaucun procd,lectroniqueoumcanique,ycomprislaphoto copieetlesmicrofilms,sanslaccordcritdelditeur. Nopartofthispublicationmaybereproducedorut ilized
15、in anyformorbyanymeans,electronicormechanical, includingphotocopyingandmicrofilm,withoutpermissionin writingfromthepublisher. InternationalElectrotechnicalCommission 3,ruedeVarembGeneva,Switzerland Telefax:+41229190300 email:inmailiec.ch IECwebsitehttp:/www.iec.ch CODEPRIX PRICECODE V2 61334461CEI:1
16、998 SOMMAIRE Pages AVANTPROPOS 6 INTRODUCTION . 8 Articles 1Gnralits. 20 1.1 Domainedapplicationetobjet 20 1.2Rfrences normatives 20 1.3 Acronymesetdfinitions 22 2 DfinitiondesservicesN. 22 2.1 Descriptiondesinteractions . 24 2.1.1 Servicesdetransfertdedonnes . 24 2.1.2 Servicesdegestion 24 2.2N_Dat
17、a.request 26 2.2.1Fonction. 26 2.2.2Structure 26 2.2.3Application. 26 2.3N_Data.confirm 26 2.3.1Fonction. 26 2.3.2Structure 28 2.3.3Application. 28 2.4N_Data.indication. 28 2.4.1Fonction. 28 2.4.2Structure 28 2.4.3Application. 30 2.5N_Add_route.request. 30 2.5.1Fonction. 30 2.5.2Structure 30 2.5.3Ap
18、plication. 30 2.6N_Del_route.request 32 2.6.1Fonction. 32 2.6.2Structure 32 2.6.3Application. 32 2.7N_Read_table.request 32 2.7.1Fonction. 32 2.7.2Structure 32 2.7.3Application. 32 2.8N_Read_table.confirm 34 2.8.1Fonction. 34 2.8.2Structure 34 2.8.3Application. 34 2.9N_Await_event.request 34 2.9.1Fo
19、nction. 34 2.9.2Structure 34 2.9.3Application. 3461334461IEC:1998 3 CONTENTS Page FOREWORD . 7 INTRODUCTION . 9 Clause 1General. 2 1 1.1 Scopeandobject . 21 1.2Normative references. 21 1.3 Acronymsanddefinitions . 23 2 Nservicedefinition 23 2.1 Overviewofinteractions . 25 2.1.1 Datatransferservices
20、25 2.1.2Management services. 25 2.2N_Data.request 27 2.2.1Function. 27 2.2.2Structure 27 2.2.3Use 27 2.3N_Data.confirm 27 2.3.1Function. 27 2.3.2Structure 29 2.3.3Use 29 2.4N_Data.indication. 29 2.4.1Function. 29 2.4.2Structure 29 2.4.3Use 31 2.5N_Add_route.request. 31 2.5.1Function. 31 2.5.2Structu
21、re 31 2.5.3Use 31 2.6 N_Del_route.request 33 2.6.1Function. 33 2.6.2Structure 33 2.6.3Use 33 2.7N_Read_table.request 33 2.7.1Function. 33 2.7.2Structure 33 2.7.3Use 33 2.8N_Read_table.confirm 35 2.8.1Function. 35 2.8.2Structure 35 2.8.3Use 35 2.9N_Await_event.request 35 2.9.1Function. 35 2.9.2Struct
22、ure 35 2.9.3Use 354 61334461CEI:1998 Articles Pages 2.10N_Await_event.confirm. 36 2.10.1Fonction. 36 2.10.2Structure 36 2.10.3Application. 36 2.11N_Local_address.request. 36 2.11.1Fonction. 36 2.11.2Structure 36 2.11.3Application. 38 3 InterfaceentreNetlasouscoucheLLC 38 3.1 Descriptiondesinteractio
23、ns . 38 3.2DL_Data.request 44 3.3DL_Data.confirm 44 3.4DL_Data.indication. 46 4 StructuredelunitdedonnesduprotocoleN 46 4.1Gnralits 46 4.2 FormatdelaNPDU 46 4.3 Champsdadresserseau 46 4.4 ChampDNSAPetbitP. 48 4.5 ChampSNSAPetbitO 48 4.6Champ QoS. 48 4.7Champ rserv 48 4.8NPDU invalide 48 5 Descriptio
24、ndesprocduresduprotocoleN 48 5.1Description gnrale 48 5.1.1 Procduresdetransmission . 50 5.1.2 RoutagedesNPDU 50 5.1.3 Bitsdeparit 52 5.1.4 ParamtresinternesdelentitN 52 5.2 DiagrammedefonctionnementdelentitN 52 5.2.1 DiagrammedefonctionnementdeN_Data.request . 52 5.2.2 DiagrammedefonctionnementDL_D
25、ata.indication . 56 5.2.3 DiagrammedefonctionnementdeDL_Data.confirm 58 5.2.4 ActionsdemachinesprotocoleN 58 6 Correspondancedelacoucherseau 60 Figures 1 Architecturedecommunicationencouchesdebase 12 2 Interconnexiondesousrseauxtraversdespasserellesdapplication. 14 3 Interconnexiondesousrseauxtraver
26、sunestationnoeudderoutage 16 4 Interconnexiondesousrseauxdansuneapprochemixte 18 5 Envoidedonnessansaccusderception 24 6 FonctionderoutagedanslacoucherseaudemessagesprovenantdutilisateursN 40 7 Fonctionderoutagedanslacoucherseaudemessagesdistribuerlocalement 42 8 Fonctionderoutagedanslacoucherseaude
27、messagesfairesuivre. 44 9 ChampsdelaNPDU . 4661334461IEC:1998 5 Clause Page 2.10N_Await_event.confirm. 37 2.10.1Function. 37 2.10.2Structure 37 2.10.3Use 37 2.11N_Local_address.request. 37 2.11.1Function. 37 2.11.2Structure 37 2.11.3Use 39 3 NToLLCsublayerinterface 39 3.1 Overviewofinteractions . 39
28、 3.2DL_Data.request 45 3.3DL_Data.confirm 45 3.4DL_Data.indication. 47 4 Nprotocoldataunitstructure 47 4.1General 47 4.2NPDU format. 47 4.3 Networkaddressfields. 47 4.4 DNSAPfieldandthePbit 49 4.5 SNSAPfieldandtheObit 49 4.6QoS field 49 4.7Reserved field 49 4.8Invalid NPDU. 49 5 Nprotocolproceduresd
29、escription . 49 5.1 Overviewoftheprocedures 49 5.1.1 Procedurefortransmission. 51 5.1.2NPDU routing. 51 5.1.3Parity bits. 53 5.1.4 Nentityinternalparameters . 53 5.2 Nentityflowdiagram . 53 5.2.1 N_Data.requestflowdiagram 53 5.2.2 DL_Data.indicationflowdiagram. 57 5.2.3 DL_Data.confirmflowdiagram 59
30、 5.2.4 Nprotocolmachineactions 59 6 Mappingofnetworklayer. 61 Figures 1 Basiclayeredcommunicationarchitecture . 13 2 Subnetworkinterconnectionthroughapplicationgateway. 15 3 Subnetworkinterconnectionthroughanoderoutingstation 17 4 Subnetworkinterconnectioninamixedapproach. 19 5 Datatransferwithoutac
31、knowledgment 25 6 RoutingfunctioninthenetworklayerformessagescomingfromNuser 41 7 Routingfunctioninthenetworklayerformessagestobelocallydelivered . 43 8 Routingfunctioninthenetworklayerformessagestobeforwarded. 45 9 NPDUfields 476 61334461CEI:1998 COMMISSIONLECTROTECHNIQUEINTERNATIONALE _ AUTOMATISA
32、TIONDELADISTRIBUTIONLAIDEDESYSTMES DECOMMUNICATIONCOURANTSPORTEURS Partie461:Protocolesdecommunicationdedonnes CoucherseauProtocolesansconnexion AVANTPROPOS 1) LaCEI(CommissionElectrotechniqueInternationale)estuneorganisationmondialedenormalisationcompose delensembledescomitslectrotechniquesnationau
33、x(ComitsnationauxdelaCEI).LaCEIapourobjetde favoriserlacooprationinternationalepourtouteslesquestionsdenormalisationdanslesdomainesde llectricitetdellectronique.Aceteffet,laCEI,entreautresactivits,publiedesNormesinternationales. Leurlaborationestconfiedescomitsdtudes,auxtravauxdesquelstoutComitnatio
34、nalintressparle sujettraitpeutparticiper.Lesorganisationsinternationales,gouvernementalesetnongouvernementales,en liaisonaveclaCEI,participentgalementauxtravaux.LaCEIcollaboretroitementaveclOrganisation InternationaledeNormalisation(ISO),selondesconditionsfixesparaccordentrelesdeuxorganisations. 2)
35、LesdcisionsouaccordsofficielsdelaCEIconcernantlesquestionstechniquesreprsentent,danslamesure dupossibleunaccordinternationalsurlessujetstudis,tantdonnquelesComitsnationauxintresss sontreprsentsdanschaquecomitdtudes. 3) Lesdocumentsproduitsseprsententsouslaformederecommandationsinternationales.Ilsson
36、tpublis commenormes,rapportstechniquesouguidesetagrscommetelsparlesComitsnationaux. 4) Danslebutdencouragerlunificationinternationale,lesComitsnationauxdelaCEIsengagentappliquerde faontransparente,danstoutelamesurepossible,lesNormesinternationalesdelaCEIdansleursnormes nationalesetrgionales.Toutediv
37、ergenceentrelanormedelaCEIetlanormenationaleourgionale correspondantedoittreindiqueentermesclairsdanscettedernire. 5) LaCEInafixaucuneprocdureconcernantlemarquagecommeindicationdapprobationetsaresponsabilit nestpasengagequandunmatrielestdclarconformelunedesesnormes. 6) Lattentionestattiresurlefaitqu
38、ecertainsdeslmentsdelaprsenteNormeinternationalepeuventfaire lobjetdedroitsdepropritintellectuelleoudedroitsanalogues.LaCEInesauraittretenuepour responsabledenepasavoiridentifidetelsdroitsdepropritetdenepasavoirsignalleurexistence. LaNormeinternationaleCEI61334461attablieparlecomitdtudes57delaCEI: C
39、onduitedessystmesdepuissanceetcommunicationsassocies. Letextedecettenormeestissudesdocumentssuivants: FDIS Rapportdevote 57/356/FDIS 57/370/RVD Lerapportdevoteindiqudansletableaucidessusdonnetouteinformationsurlevoteayant aboutilapprobationdecettenorme.61334461IEC:1998 7 INTERNATIONALELECTROTECHNICA
40、LCOMMISSION _ DISTRIBUTIONAUTOMATION USINGDISTRIBUTIONLINECARRIERSYSTEMS Part461:Datacommunicationprotocols NetworklayerConnectionlessprotocol FOREWORD 1) TheIEC(InternationalElectrotechnicalCommission)isaworldwideorganizationforstandardizationcomprising allnationalelectrotechnicalcommittees(IECNati
41、onalCommittees).TheobjectoftheIECistopromote internationalcooperationonallquestionsconcerningstandardizationintheelectricalandelectronicfields.To thisendandinadditiontootheractivities,theIECpublishesInternationalStandards.Theirpreparationis entrustedtotechnicalcommittees;anyIECNationalCommitteeinter
42、estedinthesubjectdealtwithmay participateinthispreparatorywork.International,governmentalandnongovernmentalorganizationsliaising withtheIECalsoparticipateinthispreparation.TheIECcollaboratescloselywiththeInternationalOrganization forStandardization(ISO)inaccordancewithconditionsdeterminedbyagreement
43、betweenthetwo organizations. 2) TheformaldecisionsoragreementsoftheIEContechnicalmattersexpress,asnearlyaspossible,an internationalconsensusofopinionontherelevantsubjectssinceeachtechnicalcommitteehasrepresentation fromallinterestedNationalCommittees. 3) Thedocumentsproducedhavetheformofrecommendationsforinternationaluseandarepublishedintheform ofstandards,technicalreportsorguidesandtheyareacceptedbyt
