ISO IEC 29168-1-2023.docx

INTERNATIONA1.STANDARDISO/IEC29168-1editionSecond2023-03Informationtechno1.ogy-Opensystemsinterconnection一identifierreso1.utionsystemTechno1.ogiesdeinformationInterconnexiondesystemesouverts(OSI)-Partie1:Systemedereso1.utiond,identificateurd,objetReferencenumberISO/IEC29168-1.:2023(E)COPYRIGHTPROTECTEDDOCUMENT©ISO/1EC2023IUirhM*hedbdi1.iUedotherwiseupdhi.o啪InPSd1.Mc;GeatrOn1.<nm11nr1amaqn0*即b11o即PcXHiWioM1.Onmaytheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1.oworISO'smemberbodyinthecountr)oftherequester.f),WV>fifiU81.andonnet8CH-1214Vernier,GenevaPhone：M1.22749O1.11觥ftte:丽丽BQrgPub1.ishedinSwitzer1.andFOREWORDTheInternationa1.Te1.ecommunicationUnion(ITU)istheUnitedNationsspecia1.izedagencyinthefie1.dOftekcoininunications.infornutionandcommunicationtechno1.ogies(ICTs).TheITUTe1.ecommunicationStandardizationSector(ITU-T)isapermanentorganofITU.ITU-Tisresponsib1.eforstudyingtechnica1.,operatingandtariffquestionsandissuingRCCOmmCrKIa1.iOnSonthemwithaviewtostandardizingte1.ecommunicationsonawor1.dwidebasis.TheWor1.dTe1.ecommunicationSiandardizaMonASSen1.bIy(rTS).whichmeetseveryfouryears,estab1.ishesthetopicsforstudybyIhcITU-Tstudygroupswhich,inturn,p11)duceRccomnienda1.ionsonthesetopics.Ihcapprova1.ofITU-,Recommendationsiscoveredbytheprocedure1.aiddowninWTSARcso1.uiion1.InsomeareasOfinfdnnationtechno1.ogywhichfa1.1.withinITU-Tspurview,(henecessarystandardsarepreparedonaco1.1.aborativebasiswithISOandIEC.NOTEInthisRecommendation,theexpression"Administration"isusedIbrconcisenesstoindicatebothate1.ecommunicationadministrationandarecognizedoperatingagency.Comp1.iancewiththisRccoinnienda1.ionisvo1.untarj*.However,theRecommendationmaycontaincertainmandatoryprovisions(toensure,c.g.inte11)perabi1.i1.yorapp1.icabi1.ity)andcomp1.iancewiththeRecommendationisachievedwhena1.1.ofthesemandatoryprovisionsarcmet.Thewords,sha1.orSamCotherob1.igator,1.anguagesuchas"must"andthenegativeequiva1.entsarcusedtoexpressrequirements.'Vhcuseofsuchwordsdoesno1.suggestIhatcomp1.iancewiththeRecommendationisrequiredofanyparty.INTE1.1.ECTUA1.PROPERTYRIGHTSITUdrawsae11ionothepossibi1.ityhahepracticeorimp1.ementationofthisRecommendaiionmayinvo1.vetheUscofac1.aimcdInte1.1.ectua1.PropertyRight.ITUtakesnopositionconcerningtheevidence,va1.idityorapp1.icabi1.ityofc1.aimedInte1.1.ectua1.PropertyRights,whetherassertedbyITUmembersorothersoutsideoftheRecommendationdeve1.opmentprocess.Asofthedateofapprova1.of(hisRecommendation.ITUhadnotreceivednoticeOfinte1.1.ecuia1.property,p11>tectedbyPatCntN'softwarecopyrights,whichmayberequiredtoimp1.ementthisRecommendation.However,imp1.cmcntcrsarccautionedthatthismaynotrepresentthe1.atestinformationandarcthereforestrong1.yurgedtoconsu1.ttheappropriateITU-Tdatabasesavai1.ab1.evia(heITU-Twebsiteathup:。WWW.iu.in"TUTip'ITU2023A1.1.righbireserved.N>partofthispub1.icationmaybereproduced,byanymeanswhatsoever,withoutthepriorwrittenpermissionofITU.CONTENTSPageN<>r11mi'crchrcnccs2.1Idcmic41.RcVOm1.nCnda1.iens1.n(cmatina1.Standards3.1Importeddefinitionsddi1.M>na1definitions？hMW,1.I'in、qn<iccmivmsOIDreso1.utionsystemdrchitocurc5.2Imeracti<msbetweencomponentsinJhcgenera1.OIDresn1.u1.innprcos-DNSz>efi1.e%1.<wIheORSUtnnaii1.6.16.26.36.4RequirementsandrestrictionsonDNSzoneGksintheORSdomainUseofDNSrtMMifveItXtNXhforORSservices*«*«»«»«»»«»«""»«"”«OperationofanORSc1.ient7.17.2737.47.57.6FUn<1>ni1.1.1.11ICfiCSaaa>aiataaa111'y*«»«*««*«*«*aConveningtinO1.01.R1.、n1.uctoiHC?DN*0“”ScuKiri1.ycoJco11oos1«««1.oca1.performanceCOn1.dCratiOnSU»8H8$RequirementsforORSserviceSpoCineanO(U8.1 SpecifiEionofNAPTRinformation8.2 RcconinicnckitiorisforORSKPP1.idinnpcocc5si11jAnnexA-A1.ignedORSservice1.ype.AnnexB-Specificationofthecanonica1.O1.D<COID)ORSserviceAnnexC-Specifica1.ionofthechi1.dinformation(CINF)ORSMIrViCeC2C1.NFXAS1.fMIOIOIOI1.1313B151515AnnexDSp<xi11C1.innofIhercgis1.rntinninfnrm；Hion(RINH)ORSWvkCAnnexE-Specificationofthem<xJu!cinfb11nation(MiNF)ORSserviceAnnCXF11p*tM11Cf1.IXC(«1*(«(«*<(F.1.F2F3E4C11hi1.aIOi1.)(COI)()RS4C*vx>cChi1.d11torutio(C1.NF)ORSsei"ViCC>.*><Regis1.ru1.MMiint'vna1.iun(RJNF)ORSserviceJUICinfo11nution(卜<INF.ORSservice181818IS18AnnCX(一，E:ximp1.t?、CfORScrAtn11GIEXamPiCofDNSzoneI1.1.CSfortheORSG.2Examp1.esof、APTRreuiurcerecordsAnnexH-1.n1.cmcnuionguidancefora1.oca1.cacheudcopiesofORSzones191920HI1.oca1.CaCbCforO1.Drcsdmion1.1.2IxkIcopicofORSzones211.oca1.COPic4ofORSzonesmdqxndcntoft1.1.oca1.DNS.AnnexI-OpcnniaudguidancvforORSoperator-AnnexJ-Chaiseiade<npa1.ib1.i1.yofIhueditiunofthisRtxxxux1.a(>1.n(e11a1.>na1.SUiixhrd2425AntxK-HisUryofGbJeC1.Iden1.ifkEBib1.iogmpty.a>>i>i(AnnexGExamp1.esofORSOPerationThisannex<!ocsnn1.fbrm;inint(n1.partofthisRccnmmcndn1.innInterna1.K>n;dStandard!G.1.Examp1.eofDNSzonefi1.esfortheORSG.1.1.FigureGJshowsanexamp1.eofzoneti1.econfguu(icn(oSuPpOrtIbCORS.NOTE-Inthediagram,n<u,<m<fr>ww.c,misusedfortheUR1.Thisipure1.yforiI1.usuaiivepurposesandanyUR1.canbeumx1.<<rf1.WIikiJ*fc<1.SSeuncc«wn2Nd<CaMMC1.SS%¾-4canaM¼MB4“MefINIAAMF.2.4*e*<rj<v4u11tn>-ciISSPIR<IW"w",K)RS<INP,1.?brt11wwm.-wcmfn5r,'.2d2*o<UftW112x4dmx*.INNgoidk1.7：ZXd22，C.5»INDKAME2；:12mINNAFncion、，、YnIn*S2EJhMm。：OWMCyBNNAFTR«1.,*0S-<ISP"i?W，f，JIfwM仙g一IgCan2.1,t>a<v<vu1.r.41.2!m44<vNSMmU.WAi”工32TM4(s212<*McBIXNSmodeU&k：八XPINRXAMFI,5oJ-<*7mJ%，。”,oHUv，OCB1.SAFtRIMV(1.1."f，*.皿,/4,“.c3Fcr¼umy2T2odEoq;I、AnRaI5>、.快$，】1、丁丁中2?23，小一内(-m*umy,2udF6"I、SrROICO-11RS(IM1.>z.S27.kiu.krrn<a1.c.I7.2A*iUHfMtf1.krv<i(frg11)IF：mrvtcry.INAPTRO1.(W<,1.>t%HIXK*Vh7umv.wAwr?2?IC4E-：rvur11)1.2?2.nn.ISNAPI¼<I(WifI)RS*TISf灯”3/F11fwkwfIJ?1.iFf.I、E(1IWT>1.tS*COr'75,2SI!'1.'igrcG.1.-ncxump1.eofzonefikc<m11grati<mG.1.2FigurcG.2%b(>wxanexamp1.eOfzonefi1.ec<>ngn<><>ntn%upp<w1.theJddiIi<>nOfan<xiewho标pnrcntisnn1.ORSsupportedNOTE-Inthediagram.WWW.(M、&)muin.e晒isusedfor<bcUR1.Thisispure1.yfori1.1.ustrativepurposesadanyUR1.Canbeused.IEFn)CefikUZw>ISSSdHVOXno*cINDNAMtINd-fe*r<rtdtftwr>>Mdfe*INN.FTROIW'ORSHW<S*,nr««»MyAxraiewn<mfnxn1.,aCrdownISXAPIROKOY'UgF1.XDK"If.Edmm1.M1.KAPI1.O1«Vr(HtS<IM-T.Sttp.*Mwnikvu»xo»I<mfoxm1.!X1.ZfF:*k156QMADfg.I、NSed-m<aondamn.13dtcK、NAFTKu1.IxrUPRSYUID/7.»1.，Z.<r<h0vm2.Hdrct<tfINN.KPTRO100eUePRSYNF*'!'S!Hv>*»-三y*Mm.cmI2cinA.t11>1.!e1M?1WTO<w>>kH1.r”&mm?I½21.a-eaI、A”RO18WQC<XhT"INdWownm1.A21.a"。、I、APn1.CH8JP*JCN-P5pw>*w4»>«k«v«n<QA56<n«»»,m1.v11ma5KWI.I5.X1.M(OTC.INN¾VR1<*-OKNKOiD"-WV1.QIWWIaWV1.id11u11Z41.M1.1S工1.iEfINWFIRtW1.1.<)RM<IMm"!5!htF;¼MWn¼*m4*m.II5X”&Z2”G：Figure(>.2->examp1.eofzone11kCaK1.fiKUrUIh>ntosupporttheadditionan<1.ewhosepHtn(inotORSsupportedAnnexI1.Imp1.ementationguidancefora1.oca1.cacheandcopiesofORSzonesThiannex<!ocsnn1.t<>11nanint(n1.partofthisRecommerxh1.iiinIntcmationii1.SciixUrd.)H.1.1.oca1.cacheforOIDreso1.utionInadditiontoNSopctui<M).thewhomanagedby(heDNSreso1.verisanotherCtYcctivemeansoreduceheresponsetime.Howe'er.inthec»eofItie(>RS.IbeDNSrvu1.vemaybe<x1.d!cn(n1.DfORSc1.ientuser*<e.g.WhenI1.vDNSrcu1.veixpnvidcdbyaItxrai!ntcnc1.servicenvkr<ISP>>.Itiveryhard100dUPIacacheUiutegyinak>vu1.ISPreu1.vCT.AnORSc1.ientisab1.etomaintainacacheofpopu1.arOIDs(hatisprc-oonfigncdOfIcamoJfromhcrcccmOIDreso1.utionp<(cess.,11cachecanbekepiWn1.mbyperxx!a1.1.yfetchingI1.xrPoPUbr()!D¼CUnMdeTingIiieif1.une(o1.ive.Atypica1.sccaseisinIoTgr<xpodservicesintroducedinRoc.ITU-TX.676.Whenanemergency(i.c.accident)ox11Aidpeop1.eca1.1.anemergency%en,icebu%cd<miH1.()11)re%<>1.u1.)n.theORSc1.ientCUnrc、HIndpnnp1.1.yfr<>nI1.iecache.Inaddition,ia1.soinctcascsthercu1.ienceofO1.Dreso1.utionagain<4networkfai1.ure.11.2 1.oca1.copiesofORSzonesAnothera><achtoservingORSnt<)11ta1.in1.oca1.1.yisIdPrUVMkprivateCOPie、<>!ORSz)esfrvqentiyUWdwhenTeS1.viOIDs.nexamp1.euseCayi<inavertica1.ind(r)(eg.,medica1.devices)whereasing1.eDNSzonemih1.conuinmanyniimc*.ofinteresttopccicapp1.icationusingO1.DGAnapp1.icationdoingOIDreso1.utionisrequiredtotaketwoMcps.First,uponaxpnanccofaqueryforinfornutionfromtbcORS.mC叩PIi5ionconst11ctsaDNSqueryt(vthe1.zQI>N.SecomkthisFQDNissubmitta1.to(heORSWVeTinI1.wusua1.way.InaSd1.in.durORSc1.ientahuseDNScachingfurIherxtzueofIiiereh1.ed()11.'11eys1.emnriieCii1.irc1.y<>nexistingDNSItfChM>kYybUIrequiresUieORSc1.ktMIdiwebirths1.adadqueriesandu%e1.>NScaching(UrAmes1.a1.edIociMnnd)-UHdarcs.Theadvantageofhuso1.ution»sthatso1.veshcb1.emof1.oca1.cachingoftheORSYdMCdNAPTRrecordsbyha、EgIbeDNSc1.kmInainuIin31.oca1.DNScache<Ibe11porta1.zre.11.3 1.oca1.copiesofORSzonesindependentofthe1.oca1.DNSInc1.auseH.2,the1.<wi1copiesofORSxo11cvarcaninterna1.CnmPonCn1.OftheORSc1.ient.A1.tCnvHiVC1.wtheIiincdoncana1.soactasani>dq>cndcntactor<x1.sidcoftheORSc1.ient(ca1.1.ed1.oca1.root)asShOwninFigureH.1.hiscxxnpowxiofHDNSaWhoriUiii'cSCrvCrandaDNSreso1.ver(1.oca1.rootc1.ient)runningonthesamehostThe1.oca1.rotcancacheandEVCthCimpctan1.zone1.oc;Wy水pedec1.inIBTFRFC7706.NOTEI-IETTRFC7706wasI1.rsxdeve1.oped«>s1.aveIbCrootzone1.oca1.1.ytordccIbCresponse1.aicyaxiPrOVidemorerv1.inh1.eanwe11iforc>crictotheroot.Ahhoughtheprimarygoa1.ofthedesignistn%cnctheme*zxmic,themethodcanbewcdforanyzone.Assumingthatanin1port201.ztHe.c×a11p1.e.0id-res.rg.is<M11gkbes1.aved1.oca1.1.y.I1.ie<>pen(MMiofexamp1.e.oid-res.orgonthe1.oca1.rootc1.ientisdescribedasfo1.1.ows:1) retrieveacopyof(hezoneofexamp1.e.oid-res.orgfromitsNS:NOTE2-IfheOIDrootzoneKgoingtobehostedk>ca!1.y,heZDneofoid-r<s.orgshou1.dberetrieved.2) siartheauthociuiiivcscr,iccforexamp1.e.o1.d-res.org."IbeCxmien1.sftheexamp1.e.oid-res.OrgzoneShaI1.berefnbedusingIhetinefrcnIheSUn1.ofau1.1.un1.y(St)A1.recordinIbCZortCG1.e.Inareso1.verthatisusinganinterna1.serviceforIbCexamp1.eoid-res.orgzone.IfIbCcontentsofIhezonecann>1.berfrehcdbefore(1.eCPira1.XMI(11wintheSOAxx<wd.Diere以T、ersha1.1.IiniiMx1.iuteIyswitchtotbnva111.tbcqcrtothestandard11NSrevo1.ver.InIhisdesign.IheIixra1.ivso1.u1.ionIDUIdNWikrhIC(<jruardthequerytoIhemrna1.DNSd>en!M1.be1.oca1.au1.hri(a1.iveserver卬CCifiCdinIMTRFC77061.ii1.cd.AppIxD1.ianORSc1.ientncrfjceDNSdicn1.11tr<kcCOOemoreMORSmk'r11Mtiuufthe<pv1.dSCrVgtypepe(dvne¼kc*)rcm*FORSc1.ientmtedxe(ZH)IU1.RIas<m1.QDN1.4KAORScJirmc1.ient<J>0SAP1.R(I)O1.DIRI-ORS*<ncIype*eeu11t5,tUgX7222)FHiF1.RUreH.1.-Geiwra1.Oi1.)reso1.utionpr<>c<*ssinc1.udingaIoCairootcomponentAnnexIOperationa1.guidanceforORSoperatorsThiannex<!ocsnn1.fb11nanint(n1.partofthisRecommerxhtiiviIntcmji1.iona1.Standard.IGI1.idanCCOnimp1.cmcnMti<11.adminiM11ti<xAndopcratic>nof(heORSisgiven. ORSOPCraMnihou1.dchecka11<ifo1.1.owbestp<C1.iccofDNSfrhcoperationoftheORS.I1.ixsuggcstc<ithatORSUperUUgc<xpeu1.ewithDNSUPeGikGtuPIDvi加aserviceIeVtJUSnXmen1.textheORSservice. Toreduce<hcORSresponsetimeandenhanceitsperformance,itisstrong1.ySUggCJCdthatORSOPCnKorgdep1.oymoreWCondaryserversindifferentgeographic1.<K41.ionORSrootzonennd<xbcrimportantORS%crvcni. ORS-UipjXHWdzone、Iha1.arcwi1.1.ingICbe,%uhurnbed*M1.beIoCa1.vm4iImmiofanORSd>en1.canmakeIbC*PdaICtO<htczonepub1.ic1.yaccessib1.e.Fxwexamp1.e,(heexamp1.e.oid-res.orgNSshou1.dopenIbCacvewofitsORSZOnCfi1.eviaDNSzotransfer,awebservice,oraccr-o-cer1.e-shamnetwork.The1.oca1.reM)1.utimcanretrieveavai1.ab1.eORSTUPP<11<x1.zone*viaDNSXFR,hypertexttra115fcrptkxru!secure(i11><wsecurefi1.etransferprrtro1.(F11,). Anwnitonngsystemshou1.dbedcsicdandSC1.upcoPCriOdiCS1.yeva1.uatetheavai1.abi1.ityandperformanceofanORSimp1.ncnauon.Rec.1TUTX.672(06/2022)23Annex JChangesandcompatibi1.ityofthiseditionofthisRecommendationInternationa1.Standard(ThisUn1.KXdocsnotformanintegra1.punofthisRocoinmcndaiionIntcmaticnu1.Stundard.)InthiseditionofthisReCOmnKnda1.ien1.ntcinatioiu1.Standard,anc1.umsmisfkdtoreso1.veunOIDncde“henOntfofiuupetu,nodesi%mHORS11u>ptted.uchicveIhnJhtf()KS-suD11edSUpeIN1.rHIHsex%ab1.ek»XminisierIbCORS-upo<cdDNSZeHKfor1.uOIDnodeor(omakeaDNSde1.egationtor(hatOIDnode.This“describedinc1.auses6.1.2.6.1.9and6.2.5.InCIaUSe6.1.10.aIvhaviourofanORSc1.ientisa!m>recommc11<1.cdfccachingOIDinfor11uti<nin(InfcrFreducetheresponsetuneforOIDrcso)u>on.Inc1.ause6.1.10.itissuggestedthatbcORS(xhoperationa1.agencyimp1.ementSOCondarySCrVCniinordertoenhancet1.highavahtMiya¼JOpcmticna1.diversityofIhCORSrootNotethatthisiitinnOfIhkRecnmmcnda1.innIntcrnn1.inna1.Standnnidoesn1.changetheOIDreso1.utionMchitcc1.urcestab1.ishedinc1.ause5.whichSpocit1.csIhCOIDreso1.utionprocessadtheO1.Dreso1.utionconiponcnis.Itdoc»n<changeIbCwaytheORSusesIheDNSforgcra1.OIDso1.uionprocessspecifiedinc1.auses5and7.24Rt1.IIJ.1X.672(20221Annex KHistoryofobjectidentifiersThiannex<!ocsnn1.fb11nanint(n1.partofthisRecommerxhtiiviIntcmji1.iona1.Standard.IIn19脓IT1.I-TandISQ1IECrecog11ira1.tbcneedforunamhumsnamingofjccu<>nwor1.dwidebaxix,irxijoint1.yestab1.ishedanOIDt11x(nowinIhCRee.1TOTX.6(0seriesISQIEC98A4fu1.1.parts),TheOIDtreeisahicrnrehk1.a1.1.ocationwithafewtop-1.eve1.nodesSUindardizcd.andresponsibi1.itiesforfunhcrchi1.dnodes1.eftto(bere1.evantparents,withminimu1.requirementsfromtheRecommendationsIntcrnationu1.ScandardsKromIheverybegnung.IheO1.Dtreewasdesigtedk>a1.k>wanypub1.ic<va1.eEganiziHiunto(>buinanodeinIheOIDtreenndtomakesba1.1.oca>ons.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、fmmtherewttoan<ictwo<wmoreIcvek!ownwereintr<xi>ccdhtcr).hr<>n>Ihebeginning,arWeTUde1.i1.iedbyuuunbigu>u>integerva1.ue%(ca1.1.ed*n1.eer