1、INTERNATIONA1.STANDARDISO/IEC4396-7editionFirSt202312Te1.ecommunicationsandinformationexchangebetweensystemsRecursiveinter-networkarchitecture一限IVTnoCatorTd整communicationse1.changed,inbrma1.ionen1.resystmes一Architecturerecursiveinterrseaux-Partie7:A1.1.ocateurdedebitReferencenumberISO/IEC4396-7:2023
2、E)ISO/IEC2023COPYRIGHTPROTECTEDDOCUMENTISO/1EC2023IUirhM*hedbdi1.iUedotherwiseupdhi.or啪UIBndttaeDmkfifiU81.andonnet8CH-1214Vernier,GenevaPhone：M1.22749O1.11觥ftte:丽丽BQrgPub1.ishedinSwitzer1.andContentsForewordivIntroductionv2 Scope13 Normativereferences14 Termsanddefinitions1Overvieivofthef1.owa1.1.
3、ocator24.1 Narrativedescriptionoftheservice25 4.2Narrativedescriptionofthetask26 SerV1.Cedefinition2Detai1.edspecificationofthetask26.1 Commone1.ements26.1.1 Directoryfor*ardingtab1.e26.2 6S)2ci(fikiMQbject26.2.1 Genera1.46.2.2 Behaviourofaf1.owa1.1.ocator46.2.5 BvbnWourofaf1.owa1.1.ocatorinstance6.
4、3 Descriptionofthepo1.icies106.3.1 A1.1.ocatcNotifyPo1.icy106.3.2 A1.1.ocateRetryPo1.icy6.3.3 NewF1.owRequestPoIicy106.3.4 SeqRo1.IOverPoiicy10ForewordISO(theInternationa1.OrganizationforStandardization)andIEC(theInternationa1.E1.ectrotechnica1.(inrt)(55io6)SrnIHGspartHipidisye耐IuAwHopWwiif1.MHtdiKt
5、andhaiion.SttindddtghtechniMbcommitteesestab1.ishedbytherespectiveorganizationtodea1.withparticu1.arfie1.dsoftechnica1.activity.ISOandIECmitteesco1.1.aborateinfie1.dsOfmutua1.interestOtherinternationa1.ornizations,governmenta1.andnon-governmenta1.rin1.iaisonwithISOandIEC,a1.sotakepartintheTheprocedu
6、resusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceAi1.cddc抑IbCdthe1.ndfrcnt1.S(W拒矫也帼rtsK曲如M1.MarJg&i的脚也就些一ap礴1.a31inaccordancewiththeeditoria1.ru1.esoftheISO/IECDirectives.Part2(seewww.iso.org/dircctivesorwww.iec.ch/members.experts/refdocs).IU践唯网酬.at1.曲。(的JtM但昭展UbM啸。5?济济。网融ncn1.辅图
7、网处视沿曲场hcab册Iyofanyc1.aimedpatentrightsinrespectthereof.Asofthedateofpub1.icationofthisdocument.ISOandIEChadreceivednoticeof（八）patent(三)whichmayberequiredtoimp1.ementthisdocument.However,寐降艇由曲觎eda祜b1.三WWeM0碗notbehe1.dresponsib1.eforidentifyinganyora1.1.suchpatentrights.Anytradeusedinthisconstitutenam
8、eendorsementdocumentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand邸旭蝴KWtergan却断tO)asse悯fti4君惴V剂tionBa咕唠tdea加明ces1.www.iso.org/iso/foreword.htm1.IntheIEC,seevrww.iec.chunderstanding-standards.瓢尔御ftWsd独网寤腕忧规B!砌然呵加必。
9、您幅赚p啜即隔SyS便ms硕mnS而。/切,A1.istofa1.1.partsintheISO/IEC4396seriescanbefoundontheISOandIECwebsites.f1.Wfy.fcA1.backcoWp1.ete1.ftftfctbthcs(fbV6hfiSft08加中丽jrcctedwv4SCtiftfteFMHJstanda111.swwsv.iec.ch/nationa1.-committees.Introductionapp1.icationaprotoco1.specification.documentprotoco1.Usedobjectsdocumen
10、tcreatecommondistributed(IPC)rOowa1.1.ocatorThcresponsib1.ecommunicatesrequestsmanagingtheapp1.icationinterprocesscommunicationindecoup1.edfromtheimportantthatpo1.icies.thesecharacteristicscommunicatedbyusingapp1.icationthedestinationapp1.icationanddeterminewhethertherequestorhasaccesstoit.spacemana
11、gement(NSM)function,thetoFAIrequestedapp1.ication.(IPCPJexchangeaccomp1.ishesthreefo1.)owsdestinationapp1.ication;theNSMfunctiontofindtheaddressofanIPC-ProcesswithaccesstoprocessandwhetherornotthedestinationIPC-Processcansupporttherequestedcommunication;Theconnection-idinformationwi1.1.indicationret
12、urnedsuccesswithSuggcstedsuccessfu1.destinationaddress/IEC2023-A1.1.nghtsreservedThisdocumentdefinesthesequencingoftheinteractionsofthef1.owa1.1.ocator(FA).Itisnot,strict1.yspeaking,(CDAP).ThisTheusestheinIhisrequiredistheaf1.owbetweentwoprocessesandbindtheirendpointstotheapp1.icationsthatrequestedt
13、hef1.ow.Thei.e.f1.ow.isIPC-APIforcreatingandfromaninstanceofthedistributedIPCfaci1.ity(DIF).AnA1.1.ocate-Requestcausesaninstanceofthef1.owa1.1.ocatortobecreated.Thef1.owa1.1.ocatorinstance(FA!)determineswhatpo1.icieswi1.1.beuti1.izedtoprovidethecharacteristicsrequestedistheA1.1.ocate.Itisse1.ectiono
14、fhowThisgivesDIFareimportantf1.exibi1.ityinthedifferentpo1.icies,buta1.soa1.1.owsnewpo1.iciestobeincorporated.TheFA1.createstheerrorandf1.owcontro1.protoco1.(EFCP)instancefortherequestedf1.owbeforesendingtheCDAPCreateF1.owRequesttofindAcreaterequestissentwiththesourceanddestinationapp1.icationnames,
15、qua1.ityofservicevinformation,andpo1.icychoices,aswe1.1.asthenecessaryaccesscontro1.information.UsingthenametheprocessingsystemthathasaccessthesearchestheIPCprocessThisintheDIFthatresidesonfunctions:thethesearchru1.esusingdetermineswhethertherequestingapp1.icationprocesshasaccesstotherequestedapp1.i
16、cationinstantiatestherequestedapp1.icationprocess,ifnecessary,anda1.1.ocateaFAIandport-idinthedestinationIPCP.andcreateresponsewi1.1.returnana1.sobeofa1.ongorfai1.ure.Ifpo1.icychoices.ThisgivestheIPC-Processessufficientinformationtothenbindtheport-idstoanEFCP-instanceri.e.aconnection,sothatdatatrans
17、fermayproceed.Te1.ecommunicationsandinformationexchangebetweensystemsRecursiveinter-networkarchitecture一限VV1.1.OCator1ScopeThisdocumentprovidesthef1.owa1.1.ocator(FA)specification.Itinc1.udesanOVerVieWofthef1.owZa1.1.(Newniiativ)Oreftt1.iencesanditsspecification.池R蛙购唏明的短ShisrqHMent.距f%做11nref融f*ati1
18、a.eedif1.bna1.1.凌*p1.ies.廊Sentundatedreferences,the1.atesteditionofthereferenceddoment(inc1.udinganyamendments)app1.ies.W甥informationexchangebetweensystems-RecursiveInter-Network3 TermsanddefinitionsForthepurposesofthisdocument,thetermsanddefinitionsgiveninISO4396-1andthefo1.1.owingapp1.y.ISOandIEC
19、maintaintermino1.ogydatabasesforuseinstandardizationatthefo1.1.owingaddresses:ISOOn1.inebrowsingp1.atform:avai1.ab1.eatUpsWWWjse.org/obpj-jIECE1.ectropedia:avrai1.ab1.eathttps:/www.e1.ectropedia.org/directoryforwardingtab1.etab1.ethatmaintainsasetofentriesthatmapapp1.icationnaminginformationtointerp
20、rocesscommunication(IPC)processaddresseswhichbe1.ongtotheIPCProcesses,wheretherequested叨IiCatiOncanbefoundorhasinformationaboutwheretosearchnexterrorandf1.owcontro1.protoco1.instanceEFCPinstanceyrantiationofEFCPformanagingasing1.econnectionQua1.ityofService-cbe-idQoS-cube-ididentifierunambiguouswith
21、inthisdistributedIPCfaci1.ity(D1.F)thatidentifiesaQoS-IiypercubeI1.owtfwraithatAsQoS-CiitaiRiwdna1.iMpttHyQWBNnwntfaOUs).enumeated.QoS-cubeidisane1.ementofData4 Overviewofthef1.owa1.1.ocator4.1 NarrativedescriptionoftheserviceThistaskcreatesandmonitorsaowandprovidesanymanagementoverits1.ifetime.Itso
22、n1.yserviceis42Nnrrktivendeap11iptonofthetaskThef1.owa1.1.ocatorhasthreemajorfunctions：a) thea1.1.ocationofaf1.ow,i.e.aninstanceofcommunication;b) tochangethesourceaddressasinstructedbytheResourceA1.1.ocator;c) tochangetheconnection-idwhentheSequenceNuinberRo1.IoverThreshoIdisreachedtonextva1.ueinth
23、oseprovidedduringA1.1.ocation.5 ServicedefinitionWhenanAUOCate-ReqUeStorDeaHoCate.RequestAPIca1.1.ismade,itisprocessedbythef1.owa1.1.ocator.6ceDeoai1.edspecificationofthetask6.1 Commone1.ements6.1.1 Directoryforwardingtab1.eThedirectoryforwardingtab1.emaintainsasetofentriesthatmapapp1.icationnamingi
24、nformationtoH)6XdoeBiihddheesesjrirbnTMitumeftoMHypitocessrKadPessnexttheaddresswheretherequestedapp1.icationIfthereturnedaddressistheaddressofthisIPCProcess,thentherequestedapp1.icationishere；。他蝌帆CorSH创好春u3棉蛇i麻JPt蜘娴幽曲戏蝴。厢蜥ichrcqfea/喃加DkeaOryForwardingTab1.eshou1.da1.waysreturnat1.eastadefau1.tIPCpr
25、ocessaddressorApp1.icationProcessNamingInformationtocontinue1.ookingfortheapp1.icationprocess,eveniftherearenoentriesfora科触脂rt慌CatiBHthisDIF.n!PCProcessmaymaintainTheformofthetab1.eis：DestinationApp1.icationPmcessName,Addressofnextp1.aceto1.ook.6.1.2 F1.owobjectTheinformationnecessarytocreateaf1.owo
26、bjectandsendinaCDAPM.CREATERequestPDUisshownin4b1.1.Tab1.e1Attributesinf1.owobject,summaryAttributenameTypeDescriptionSOUcjNamingJnfo:APPHC词onProcesName出.娅粒呻H船W川啊S用OaC泌StnrStructThenaminginformationoftheapp1.icationthatrequest-Apphcation-Process-Name.伍WAEder中MfYMa可r11rh-Ofticcd:Smi(QoScubeidDesiInaU
27、omCEP-IdSource-CEP-Id:Unsignedin-eiff1111Hitw1.yH!e(tin5iiDu1.htb*irtercpetfimKdtttainerfunctiona1.ityofanFAI.Thefunctiona1.ityofanFAIisconcernedWiththecreationandmanagementofasing1.ea1.1.ocationoveritsentire1.ifecyc1.e.TheF1.owA1.1.ocatorisresponsib1.eforfunctionsinvo1.vinga1.1.ocatesingenera),i.e.
28、functionsthataffecta1.1.FAIs.Theresourcesavai1.ab1.etothef1.owa1.1.ocatoranditsa1.1.ocationpo1.icyaremanagedbytheResourceA1.1.ocator.Insomesense,a1.1.A1.1.ocateandDea1.1.ocateAPIca1.1.sarefirsthand1.edbytheF1.owA1.Iocator.双曲曲MRn1.ika1.orrCfeHfh就蒯曲杷Ide幅Wa1.1.。CaIU汕网福的ns.systemn三碾Cm甑&融Q删拙hsmayperformo
29、perationsonaF1.owA1.1.ocatoranditsinstancesaswe1.1.Wnt.AnThcA1.tW1.vcato三ingEF(Rft11thatMiiefcr1.8三5cst.wou1.dresu1.tinthea1.1.ocationofamu1.tipointow.OtherthantheparameterreferringtoasetthereisnodifferencetotheuseroftheAPI.6.2.2Behaviourofaf1.owa1.1.ocator6.2.2.1 Initia1.izationWhentheowa1.1.ocator
30、isinitiated,itsha1.1.subscribetothefo1.1.owingCDAPRequestswiththeRIBDaemonandanyothereventsre1.atingtothemanagementOfindividua1.f1.ows：CrcateRcquestF1.owCreate.ReponseF1.owDe1.eeReqUeStF1.owDe1.eteeResponseF1.owWriteCurrentAddressSequenceNumberRo1.1.OverThreshoIdEventsUpdateDirectoryForwardingTab1.e
31、periodXseconds,onEventsMembersIeftDIF6.2.2.2 AI1.oCate.RequestSubmit6.2.2.2.1 Wheninvokeda1.1.ocationofIPCresourceswithagivendestinationApp1.icationProcess.6.2.2.Z.2Actionuponreceiptdeterminesappropriaterequestcode.Ifformed.requestiswe1.1.-formed,anA1.1.ocate,Response.de1.iverisinvokedwhetherarespo
32、nseiswithhe1.dunti1.anA1.1.ocateeResponsecanbede1.iveredwithastatusofsuccessor6.2.2.3Create.RequestF1.ow6.2.2.3.1 WheninvokedrCquestIPCProcessinthisDIFthatcancreatea1.oca1.bindingWiththeDCStinatiOn-Naming.Infointhe6.2.2.3.2 ActionuponreceiptDirectoryForwurdingTab1.etoseeifithasanentry.namingtrccNamc
33、sa1.waysgrantcdWhcrcNamcappIicationManagcr.Therefore,Rcgistrar-DAPforinformationaboutthe6.2.2.3.3 OtherBehaviourofaf1.owa1.1.ocatorinstancehasnotassignedthename,thenanerrorisreturned.6.2.3.1 A)1.ocate.Rcques1.subnit6.2.3.1.1 Wheninvoked6.2.3.1.2 ActionuponreceiptA1.1.ocate,Request.Thisserviceprimiti
34、veisinvokedbyanApp1.icationProcessnotamemberofthisDIFtorequesttheTheowa1.1.ocatorisinvokedwhenanA1.1.ocateeReques1.submitisreceived.Thesourcef1.owa1.1.ocatorwiththeiftheerroriswe1.1.theIfnotnewFiowA1.1.ocator-InstancecreatedandpassedtheparametersofthisAHOCate.Requesttohand1.ethea1.1.ocation.Itisamat
35、terofDIEpo1.icy(/M1.ocateNoificationPo1.icy)whetheranAHOeaeReqUeS匕de1.iverisinvokedwithastatusOfpendingjorfai1.ure.Whenaf1.owa1.1.ocatorreceivesaCreate.RequestforaF1.owobjectitmeansthattherequestoris1.ookingforanWhenaf1.owa1.1.ocatorreceivesaCreateRequesiPDUforaF1.owobject,itconsu1.tsits1.oca1.Ifthe
36、addressreturnedbytheDirectoryFonvardingTabIeisthisIPCProcess,itcreatesaFA1.andpassestheCreateRequesttoit.IPCtheaddressindicatingresu1.ttheDirectoryFonvQrdmgTQb1.eDireaoryForwardingTabIe.Process,itisforwardedtotheNOTEwi1.1.areknowbyatheSpaceis.OtherNSMIherepositoriescancachethatbranchofaname.Thesearc
37、hcanprogresstoc1.oser*repositories,andifnotsuccessfu1.itisforwardedtotheappropriateRegistrar-DAP.Hence,thereisa1.waysat1.eastoneentryintheDirectoryFonvardingTahIethatisthedefau1.tresu1.tifnobettermatch.IfRegistrarnFIiscreatedwithanA1.1.ocate,Reques1.subnutwhenanewF1.owA1.1.ocationhasbeenrequested.Wh
38、enanFAIiscreatedwithanA1.1.ocateeRcqucs1.subniitasinputi1.wi1.1.inspecttheparametersoftheItwi1.1.thenconsu1.titsDirectoryForvfardingTabIetodeterminewhereto1.ookfortheDestination.Naming,1.nforequested.姆u三dtaessCtorGtiinediVWMiemDircctoryForwardinDib1.affFCPtaisvthiift(irtywithinthissystem.IIi期品tiatea
39、期跳翱UFSA1.ed楹3除StanCeS饵隔镒7ForwardingTab1.eAi柒RA%DAPIPCP的Pffigf岫M1.1.FMvobject,invokingtheNewF1.owRequestPoIicytosendtotheIPCProcessreturnedbythe1.ookupintheDirectoryFonvardingTab1.e.三nidsC三丽(!曲虹曲如出帆f辆然丽啷帆以丽活刷帆UateIyduringthisf1.ow1.ifetime.Theorderoftheconnection-idsmatters,sincetheoneswitha1.owerind
40、exwi1.1.beusedbeforetheoneswithahigherindex.Foreachconnection-idinthearray,thesourceFAIhasde三AV棚)MiH%ffi能屈M(睁需片“s1.1.tination-CEP-id-fie1.dtotheTheFAIsetstheCreateRequestTimerforthisCDAPmessage.Thetimerindicatesthemaximumtimetowaitforaresponse.NdTEzxpp1.iGaMwiDucfitfsH1.b1.ehawitD1.EitaItbmetcwOirth
41、f1.dPpftrKaKdht,bMmakescanthatdetewewmwsendanegativeA_Crcatc_RcsponsctotheoriginatingFAI.ForD1.Fswherethisisnotthecase,theA_Crcatc.Rcqucstwi1.1.timeoutandafterMaxCreateRetrieswi1.1.returnanunsuccessfu1.resu1.t(negativeCreate.Response).6.2.3.2 AHoCate_ReSPOnse.de1.iver6.2.3.2.1 WheninvokedThisAPIprim
42、itiveisinvokedinresponsetoanA)1.ocate,Request.de1.iverbeingde1.iveredtotheResfnnknapp1.ication.aCaaPtSde8ti11atibUhpWwtioqwiUuatestherequestandinvokesanA1.1.ocate.6.2.3.2.2 ActionuponreceiptWhentheFA1.getsan/M1.ocateeResponsefromthedestinationapp1.ication,itformu1.atesaCreate.Responseontheowobjectre
43、quested.Iftheresponsewaspositive,theFAIwi1.1.causeEFCPinstancestobecreatedtosupportthisa1.1.ocation.TheFAIwi1.1.iteratethe1.istofConnection-idsintheF1.owobjectand1.1.intheDestination-CEP-id9S6ute.inftftSfWfiProbRonse1.EWatid1.fMenttotherequestingFIwiththeconnection-idsandTheCreate.Responseissenttore
44、questingFAIWiththenecessaryinformationref1.ectingtheexistingf1.ow,orindicationastowhythef1.ownecessaryhousekeepingandterminates,wasrefused.Iftheresponsewasnegative,theFIdoesany6.2.3.3 Create.RequestPDU6.2.3.3.1 WheninvokedThisisprovidedasinputtothedestinationFA1.tocreatetheotherendofaf1.ow.6.2.3.3.2 ActionuponreceiptWhenaFIiscreatedwithaC
