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1、INTERNATIONA1.STANDARDISO/IEC29168-1editionSecond2023-03Informationtechno1.ogy-Opensystemsinterconnection一identifierreso1.utionsystemTechno1.ogiesdeinformationInterconnexiondesystemesouverts(OSI)-Partie1:Systemedereso1.utiond,identificateurd,objetReferencenumberISO/IEC29168-1.:2023(E)COPYRIGHTPROTEC
2、TEDDOCUMENTISO/1EC2023IUirhM*hedbdi1.iUedotherwiseupdhi.o啪InPSd1.Mc;GeatrOn1.fifiU81.andonnet8CH-1214Vernier,GenevaPhone：M1.22749O1.11觥ftte:丽丽BQrgPub1.ishedinSwitzer1.andFOREWORDTheInternationa1.Te1.ecommunicationUnion(ITU)istheUnitedNationsspecia1.izedagencyinthefie1.dOftekcoininunications.infornut
3、ionandcommunicationtechno1.ogies(ICTs).TheITUTe1.ecommunicationStandardizationSector(ITU-T)isapermanentorganofITU.ITU-Tisresponsib1.eforstudyingtechnica1.,operatingandtariffquestionsandissuingRCCOmmCrKIa1.iOnSonthemwithaviewtostandardizingte1.ecommunicationsonawor1.dwidebasis.TheWor1.dTe1.ecommunica
4、tionSiandardizaMonASSen1.bIy(rTS).whichmeetseveryfouryears,estab1.ishesthetopicsforstudybyIhcITU-Tstudygroupswhich,inturn,p11)duceRccomnienda1.ionsonthesetopics.Ihcapprova1.ofITU-,Recommendationsiscoveredbytheprocedure1.aiddowninWTSARcso1.uiion1.InsomeareasOfinfdnnationtechno1.ogywhichfa1.1.withinIT
5、U-Tspurview,(henecessarystandardsarepreparedonaco1.1.aborativebasiswithISOandIEC.NOTEInthisRecommendation,theexpressionAdministrationisusedIbrconcisenesstoindicatebothate1.ecommunicationadministrationandarecognizedoperatingagency.Comp1.iancewiththisRccoinnienda1.ionisvo1.untarj*.However,theRecommend
6、ationmaycontaincertainmandatoryprovisions(toensure,c.g.inte11)perabi1.i1.yorapp1.icabi1.ity)andcomp1.iancewiththeRecommendationisachievedwhena1.1.ofthesemandatoryprovisionsarcmet.Thewords,sha1.orSamCotherob1.igator,1.anguagesuchasmustandthenegativeequiva1.entsarcusedtoexpressrequirements.Vhcuseofsuc
7、hwordsdoesno1.suggestIhatcomp1.iancewiththeRecommendationisrequiredofanyparty.INTE1.1.ECTUA1.PROPERTYRIGHTSITUdrawsae11ionothepossibi1.ityhahepracticeorimp1.ementationofthisRecommendaiionmayinvo1.vetheUscofac1.aimcdInte1.1.ectua1.PropertyRight.ITUtakesnopositionconcerningtheevidence,va1.idityorapp1.
8、icabi1.ityofc1.aimedInte1.1.ectua1.PropertyRights,whetherassertedbyITUmembersorothersoutsideoftheRecommendationdeve1.opmentprocess.Asofthedateofapprova1.of(hisRecommendation.ITUhadnotreceivednoticeOfinte1.1.ecuia1.property,p11tectedbyPatCntNsoftwarecopyrights,whichmayberequiredtoimp1.ementthisRecomm
9、endation.However,imp1.cmcntcrsarccautionedthatthismaynotrepresentthe1.atestinformationandarcthereforestrong1.yurgedtoconsu1.ttheappropriateITU-Tdatabasesavai1.ab1.evia(heITU-Twebsiteathup:。WWW.iu.inTUTipITU2023A1.1.righbireserved.Npartofthispub1.icationmaybereproduced,byanymeanswhatsoever,withoutthe
10、priorwrittenpermissionofITU.CONTENTSPageNr11micrchrcnccs2.1Idcmic41.RcVOm1.nCnda1.iens1.n(cmatina1.Standards3.1Importeddefinitionsddi1.Mna1definitions？hMW,1.Iin、qniccmivmsOIDreso1.utionsystemdrchitocurc5.2Imeractiefi1.e%1.wIheORSUtnnaii1.6.16.26.36.4RequirementsandrestrictionsonDNSzoneGksintheORSdom
11、ainUseofDNSrtMMifveItXtNXhforORSservices*”OperationofanORSc1.ient7.17.2737.47.57.6FUnni1.1.1.11ICfiCSaaaaiataaa111y*aConveningtinO1.01.R1.、n1.uctoiHC?DN*0“”ScuKiri1.ycoJco11oos11.oca1.performanceCOn1.dCratiOnSU8H8$RequirementsforORSserviceSpoCineanO(U8.1 SpecifiEionofNAPTRinformation8.2 Rcconinicnck
12、itiorisforORSKPP1.idinnpcocc5si11jAnnexA-A1.ignedORSservice1.ype.AnnexB-Specificationofthecanonica1.O1.DCOID)ORSserviceAnnexC-Specifica1.ionofthechi1.dinformation(CINF)ORSMIrViCeC2C1.NFXAS1.fMIOIOIOI1.1313B151515AnnexDSpxi11C1.innofIhercgis1.rntinninfnrm；Hion(RINH)ORSWvkCAnnexE-SpecificationofthemxJ
13、u!cinfb11nation(MiNF)ORSserviceAnnCXF11p*tM11Cf1.IXC(1*(*cChi1.d11torutio(C1.NF)ORSseiViCC.*Regis1.ru1.MMiintvna1.iun(RJNF)ORSserviceJUICinfo11nution(卜INF.ORSservice181818IS18AnnCX(一，E:ximp1.t?、CfORScrAtn11GIEXamPiCofDNSzoneI1.1.CSfortheORSG.2Examp1.esof、APTRreuiurcerecordsAnnexH-1.n1.cmcnuionguidan
14、cefora1.oca1.cacheudcopiesofORSzones191920HI1.oca1.CaCbCforO1.Drcsdmion1.1.2IxkIcopicofORSzones211.oca1.COPic4ofORSzonesmdqxndcntoft1.1.oca1.DNS.AnnexI-OpcnniaudguidancvforORSoperator-AnnexJ-Chaiseiade1.n(e11a1.na1.SUiixhrd2425AntxK-HisUryofGbJeC1.Iden1.ifkEBib1.iogmpty.aii(AnnexGExamp1.esofORSOPera
15、tionThisannexn;dStandard!G.1.Examp1.eofDNSzonefi1.esfortheORSG.1.1.FigureGJshowsanexamp1.eofzoneti1.econfguu(icn(oSuPpOrtIbCORS.NOTE-Inthediagram,nu,mww.c,misusedfortheUR1.Thisipure1.yforiI1.usuaiivepurposesandanyUR1.canbeumx1.rf1.WIikiJ*fc1.SSeunccwn2NdCaMMC1.SS%-4canaMMB4“MefINIAAMF.2.4*e*rj-ciISS
16、PIRIWw,K)RSINP,1.?brt11wwm.-wcmfn5r,.2d2*oUftW112x4dmx*.INNgoidk1.7：ZXd22，C.5INDKAME2；:12mINNAFncion、，、YnIn*S2EJhMm。：OWMCyBNNAFTR1.,*0S-avvu1.r.41.2!m44vNSMmU.WAi”工32TM4(s212*McBIXNSmodeU&k：八XPINRXAMFI,5oJ-、.快$，】1、丁丁中2?23，小一内(-m*umy,2udF6I、SrROICO-11RS(IM1.z.S27.kiu.krrna1.c.I7.2A*iUHfMtf1.krvi(frg1
17、1)IF：mrvtcry.INAPTRO1.(Wt%HIXK*Vh7umv.wAwr?2?IC4E-：rvur11)1.2?2.nn.ISNAPI1.tS*COr75,2SI!1.igrcG.1.-ncxump1.eofzonefikcm11gratiwxanexamp1.eOfzonefi1.ecngnntn%uppw1.theJddiIinOfanxiewho标pnrcntisnn1.ORSsupportedNOTE-Inthediagram.WWW.(M、&)muin.e晒isusedforISSSdHVOXno*cINDNAMtINd-fe*rMdfe*INN.FTROIWORSHWS
18、*,nrMyAxraiewnmfnxn1.,aCrdownISXAPIROKOYUgF1.XDKIf.Edmm1.M1.KAPI1.O1Vr(HtSIM-T.Sttp.*MwnikvuxoImfoxm1.!X1.ZfF:*k156QMADfg.I、NSed-maondamn.13dtcK、NAFTKu1.IxrUPRSYUID/7.1.，Z.rh0vm2.Hdrct*-三y*Mm.cmI2cinA.t111.!e1M?1WTOkH1.r”&mm?I21.a-eaI、A”RO18WQC*w4kvnQA56n,m1.v11ma5KWI.I5.X1.M(OTC.INNVR1*-OKNKOiD-WV1
19、.QIWWIaWV1.id11u11Z41.M1.1S工1.iEfINWFIRtW1.1.)RM.2-examp1.eofzone11kCaK1.fiKUrUIhntosupporttheadditionan1.ewhosepHtn(inotORSsupportedAnnexI1.Imp1.ementationguidancefora1.oca1.cacheandcopiesofORSzonesThiannex!ocsnn1.t11nanint(n1.partofthisRecommerxh1.iiinIntcmationii1.SciixUrd.)H.1.1.oca1.cacheforOID
20、reso1.utionInadditiontoNSopctuiRS.IbeDNSrvu1.vemaybex1.d!cn(n1.DfORSc1.ientuser*e.g.WhenI1.vDNSrcu1.veixpnvidcdbyaItxrai!ntcnc1.servicenvkr.Itiveryhard100dUPIacacheUiutegyinakvu1.ISPreu1.vCT.AnORSc1.ientisab1.etomaintainacacheofpopu1.arOIDs(hatisprc-oonfigncdOfIcamoJfromhcrcccmOIDreso1.utionp(cess.,
21、11cachecanbekepiWn1.mbyperxx!a1.1.yfetchingI1.xrPoPUbr()!DCUnMdeTingIiieif1.une(o1.ive.Atypica1.sccaseisinIoTgrxpodservicesintroducedinRoc.ITU-TX.676.Whenanemergency(i.c.accident)ox11Aidpeop1.eca1.1.anemergency%en,icebu%cdmiH1.()11)re%1.u1.)n.theORSc1.ientCUnrc、HIndpnnp1.1.yfrnI1.iecache.Inaddition,
22、ia1.soinctcascsthercu1.ienceofO1.Dreso1.utionagainachtoservingORSnt)11ta1.in1.oca1.1.yisIdPrUVMkprivateCOPie、!ORSz)esfrvqentiyUWdwhenTeS1.viOIDs.nexamp1.euseCayiN.SecomkthisFQDNissubmitta1.to(heORSWVeTinI1.wusua1.way.InaSd1.in.durORSc1.ientahuseDNScachingfurIherxtzueofIiiereh1.ed()11.11eys1.emnriieC
23、ii1.irc1.ynexistingDNSItfChMkYybUIrequiresUieORSc1.ktMIdiwebirths1.adadqueriesandu%e1.NScaching(UrAmes1.a1.edIociMnnd)-UHdarcs.Theadvantageofhuso1.utionsthatso1.veshcb1.emof1.oca1.cachingoftheORSYdMCdNAPTRrecordsbyha、EgIbeDNSc1.kmInainuIin31.oca1.DNScacheIbe11porta1.zre.11.3 1.oca1.copiesofORSzonesi
24、ndependentofthe1.oca1.DNSInc1.auseH.2,the1.dqcndcntactors1.aveIbCrootzone1.oca1.1.ytordccIbCresponse1.aicyaxiPrOVidemorerv1.inh1.eanwe11iforccrictotheroot.Ahhoughtheprimarygoa1.ofthedesignistn%cnctheme*zxmic,themethodcanbewcdforanyzone.Assumingthatanin1port201.ztHe.ca11p1.e.0id-res.rg.isM11gkbes1.av
25、ed1.oca1.1.y.I1.iepen(MMiofexamp1.e.oid-res.orgonthe1.oca1.rootc1.ientisdescribedasfo1.1.ows:1) retrieveacopyof(hezoneofexamp1.e.oid-res.orgfromitsNS:NOTE2-IfheOIDrootzoneKgoingtobehostedkca!1.y,heZDneofoid-r1.berfrehcdbefore(1.eCPira1.XMI(11wintheSOAxxwd.Diere以T、ersha1.1.IiniiMx1.iuteIyswitchtotbnv
26、a111.tbcqcrtothestandard11NSrevo1.ver.InIhisdesign.IheIixra1.ivso1.u1.ionIDUIdNWikrhIC(en!M1.be1.oca1.au1.hri(a1.iveserver卬CCifiCdinIMTRFC77061.ii1.cd.AppIxD1.ianORSc1.ientncrfjceDNSdicn1.11trkcCOOemoreMORSmkr11Mtiuufthepv1.dSCrVgtypepe(dvnekc*)rcm*FORSc1.ientmtedxe(ZH)IU1.RIasm1.QDN1.4KAORScJirmc1.
27、ient0SAP1.R(I)O1.DIRI-ORS*ncIype*eeu11t5,tUgX7222)FHiF1.RUreH.1.-Geiwra1.Oi1.)reso1.utionprc*ssinc1.udingaIoCairootcomponentAnnexIOperationa1.guidanceforORSoperatorsThiannex!ocsnn1.fb11nanint(n1.partofthisRecommerxhtiiviIntcmji1.iona1.Standard.IGI1.idanCCOnimp1.cmcnMti11.adminiM11tinof(heORSisgiven.
28、 ORSOPCraMnihou1.dchecka11ifo1.1.owbestpC1.iccofDNSfrhcoperationoftheORS.I1.ixsuggcstcithatORSUperUUgcxpeu1.ewithDNSUPeGikGtuPIDvi加aserviceIeVtJUSnXmen1.textheORSservice. ToreducehcORSresponsetimeandenhanceitsperformance,itisstrong1.ySUggCJCdthatORSOPCnKorgdep1.oymoreWCondaryserversindifferentgeogra
29、phic1.K41.ionORSrootzonennden1.canmakeIbC*PdaICtOhtczonepub1.ic1.yaccessib1.e.Fxwexamp1.e,(heexamp1.e.oid-res.orgNSshou1.dopenIbCacvewofitsORSZOnCfi1.eviaDNSzotransfer,awebservice,oraccr-o-cer1.e-shamnetwork.The1.oca1.reM)1.utimcanretrieveavai1.ab1.eORSTUPP11ptted.uchicveIhnJhtf()KS-suD11edSUpeIN1.r
30、HIHsex%ab1.ekXminisierIbCORS-uporecommc111.cdfccachingOIDinfor11ution.Inc1.ause6.1.10.itissuggestedthatbcORS(xhoperationa1.agencyimp1.ementSOCondarySCrVCniinordertoenhancet1.highavahtMiyaJOpcmticna1.diversityofIhCORSrootNotethatthisiitinnOfIhkRecnmmcnda1.innIntcrnn1.inna1.Standnnidoesn1.changetheOID
31、reso1.utionMchitcc1.urcestab1.ishedinc1.ause5.whichSpocit1.csIhCOIDreso1.utionprocessadtheO1.Dreso1.utionconiponcnis.ItdocnchangeIbCwaytheORSusesIheDNSforgcra1.OIDso1.uionprocessspecifiedinc1.auses5and7.24Rt1.IIJ.1X.672(20221Annex KHistoryofobjectidentifiersThiannex!ocsnn1.fb11nanint(n1.partofthisRe
32、commerxhtiiviIntcmji1.iona1.Standard.IIn19脓IT1.I-TandISQ1IECrecog11ira1.tbcneedforunamhumsnamingofjccunwor1.dwidebaxix,irxijoint1.yestab1.ishedanOIDt11x(nowinIhCRee.1TOTX.6(0seriesISQIEC98A4fu1.1.parts),TheOIDtreeisahicrnrehk1.a1.1.ocationwithafewtop-1.eve1.nodesSUindardizcd.andresponsibi1.itiesforf
33、unhcrchi1.dnodes1.eftto(bere1.evantparents,withminimu1.requirementsfromtheRecommendationsIntcrnationu1.ScandardsKromIheverybegnung.IheO1.Dtreewasdesigtedka1.kwanypub1.icbuinanodeinIheOIDtreenndtomakesba1.1.ocaons.NOTE-InfbcnuiionJikHHmanya1.1.ocdOiDscanbeobtainedfromtheOIDRepository!internet).It!ia1.1.y.theO1.DtreemxJeswetvinaMne1.Mr1.ofkve1.s.withoehx1.ea1.any1.eve1.Imingasetofart*IiD1.tIUHMHktoR(X1.gatIbcnextIcvd(1.ongarc、fmmtherewttoanictwowmoreIcvek!ownwereintrccdhtcr).hrnIhebeginning,arWeTUde1.i1.iedbyuuunbiguuintegerva1.ue%(ca1.1.ed*n1.eer
