基于SDN的寬帶接入網(wǎng) 接入網(wǎng)切片YANG模型

基于SDN的寬帶接入網(wǎng)接入網(wǎng)切片YANG模型本文件規(guī)定了基于軟件定義網(wǎng)絡(luò)(SDN)的寬帶接入網(wǎng)中切片相關(guān)的SDN控制器北向接口YANG模型及切片管理操作、SDN控制器南向接口YANG模型及切片操作、光網(wǎng)絡(luò)單元(0NU)接口切片管理數(shù)據(jù)模型等。本文件適用于公眾電信網(wǎng)環(huán)境下支持切片功能的接入網(wǎng)設(shè)備、接入網(wǎng)控制系統(tǒng)和切片管理平臺(tái)的研制和生產(chǎn)，專(zhuān)用電信網(wǎng)也可參考使用。2規(guī)范性引用文件下列文件中的內(nèi)容通過(guò)文中的規(guī)范性引用而構(gòu)成本文件必不可少的條款，其中，注日期的引用文件，僅該日期對(duì)應(yīng)的版本適用于本文件；不注日期的引用文件，其最新版本(包括所有的修改單)適用于本文件。YD/T3963-2021基于SDN的寬帶接入網(wǎng)技術(shù)要求0LT設(shè)備YD/T4476-2023基于SDN的寬帶接入網(wǎng)基于PON設(shè)備YANG模型的控制器南向接口BBFTR-383接入網(wǎng)通用YANG模塊(CoumonYANGModulesforAccessNetworks)BBFTR-385ITU-T無(wú)源光網(wǎng)絡(luò)YANG模型(ITU-TPONYANGModules)IETFRFC7223接口管理的YANG數(shù)據(jù)模型(YANGDataModelforInterfaceManagement)IETFRFC7950YANG1.1數(shù)據(jù)建模語(yǔ)言(TheYANG1.1DataModelingLanguage)IETFRFC8040KESTCONF協(xié)議(RESTCONFProtocol)IETFRFC8259JavaScript對(duì)象表示法(JS0N)數(shù)據(jù)交換格式(TheJavaScript0bjectNotationIETFRFC8446傳輸層安全(IIS)協(xié)議1.3版(TheTransportLayerSecurity(TLS)Protocol3術(shù)語(yǔ)和定義本文件沒(méi)有需要界定的術(shù)語(yǔ)和定義下列縮略語(yǔ)適用于本文件。3a)接口協(xié)議方面，北向接口協(xié)議應(yīng)采用RESTOONF協(xié)議，符合IETFRFC8040的規(guī)定。接口數(shù)據(jù)模型采用YANG語(yǔ)言進(jìn)行數(shù)據(jù)建模，應(yīng)符合IETFRFC7950的規(guī)定。以上RESTCONF協(xié)議與YANG數(shù)據(jù)模型可以根據(jù)后續(xù)的標(biāo)準(zhǔn)演進(jìn)，實(shí)現(xiàn)對(duì)于協(xié)議語(yǔ)法和數(shù)據(jù)建模的擴(kuò)展。b)安全可靠性方面，北向接口應(yīng)采用HTTPS作為傳輸層通道和操作方法，應(yīng)符合IETFRFC8446c)編碼格式方面，北向接口通信內(nèi)容應(yīng)采用JS0N格式編碼，應(yīng)符合IETFRFC8259的規(guī)定5.3南向接口技術(shù)要求接入網(wǎng)切片南向接口基于NETOONF協(xié)議和PON設(shè)備YANG模型，接受接入網(wǎng)管控系統(tǒng)的控制管理。NETOONF協(xié)議應(yīng)符合YD/T3963-2021中8.2節(jié)的規(guī)定。接口數(shù)據(jù)模型采用YANG語(yǔ)言進(jìn)行數(shù)據(jù)建模，應(yīng)符合IETFRFC7950的規(guī)定。6SDN控制器北向接口6.1北向接口YANO模型清單6.1.1北向接口基礎(chǔ)模型接入網(wǎng)切片北向接口YANG模型相關(guān)的基礎(chǔ)YANG模型如表1所示。表1北向接口基礎(chǔ)模型見(jiàn)BBFTR-383中定義，見(jiàn)BBF代碼倉(cāng)庫(kù)：/prts/ANG/repos/wt-383/browse/typeotlq-types.yang?at=relea和標(biāo)識(shí)。6.1.2接入網(wǎng)切片應(yīng)用/模板管理模型北向接口應(yīng)用/模板管理YANG模型定義了SLA模板、網(wǎng)絡(luò)切片模板和網(wǎng)絡(luò)切片實(shí)例相關(guān)的節(jié)點(diǎn)。包括a)cesa-an-slice-serviee.yang:該YANG模型文件定義了接入網(wǎng)業(yè)務(wù)切片模型，包含SLA描述隔離類(lèi)型等。SLA模板包括模板名稱(chēng)、上下行帶寬、最大時(shí)延，最大抖動(dòng)，最大丟包率等節(jié)點(diǎn)。網(wǎng)絡(luò)切片模板包括名稱(chēng)、綁定的SLA模板名稱(chēng)、隔離類(lèi)型、應(yīng)用服務(wù)信息等節(jié)點(diǎn)。網(wǎng)絡(luò)切片實(shí)例包括名稱(chēng)、綁定網(wǎng)絡(luò)切片模板的名稱(chēng)、OLT的ID信息及網(wǎng)絡(luò)側(cè)/用戶(hù)側(cè)端口，ONU的序列號(hào)及認(rèn)證方式等節(jié)點(diǎn)。完整的YANG模型文件csa-an-slice-service.yang宜符合附錄A的規(guī)定。其對(duì)應(yīng)的YANGTree文件如下，其中數(shù)據(jù)結(jié)構(gòu)應(yīng)符合以下YANGTree,數(shù)據(jù)命名宜采用以下名稱(chēng)：1+--rwsla-template*I+--rwmax-latenay?+-rwfixed-bandwidth?uit-wmas-lateneyuin+-rwmax-jitter?+-rwname+-rwsla-lemplate-name?leafref+rwisolation-type?identityref+-rwapp-info*[app-typeapp-nII+rwni-port*[ltp-sli5+-nwassigned-bandwidth?u+-roused-bandwidth+-rwuni-pont*[ltp-slice-+-rwltp-res-id?yangzuuid+--rwassigned-bandwidth?u+erwwan-auth-type?an-slice-type:wan-authb)ccsa-an-slice-pub-type.yang:該YANG模型為類(lèi)型定義，給出了接入網(wǎng)資源切片和業(yè)務(wù)切ccsn-an-slice-pub-type.yang宜符合附錄A的規(guī)定。本模型為類(lèi)型定義不涉及YANGTree。c)ccsa-an-slice-dnet.yang:該YANG模型定義了接入網(wǎng)資源切片實(shí)例的表達(dá)，包含接入網(wǎng)ecsi-an-slice-dnet.yang宜符合附錄A的規(guī)定。其對(duì)應(yīng)的YANGTree文件如下，其中數(shù)據(jù)結(jié)構(gòu)應(yīng)符合以下YANGTree,數(shù)據(jù)命名宜采用以下名稱(chēng)：module:ccsa-an-slice-d+--rwnctwork-slice*[ns-resyang:u+-rwns-name?stri+rwns-deseription?st+--rwltp-slicc*[ltp-sliec-+-rwasigned-bandwidth?ui/restoonf/vi/data/xxx-networkark-slice/{network-slice-re/restoonf/yI/data/xxx-network-slice:petwork-s/restoonf/yj/data/xxx-networkork-slice/ipetwork-slice-r/restoonf/vi/data/xxx-networkork-slice/ipetwork-slice-網(wǎng)絡(luò)切片詳細(xì)/restoonf/v1/data/xxx-ltp-slice:ltp-slices/ltp-sl/restoonf/v1/data/xxx-ltp-slice:Itp-s/restoonf/vl/data/xxx-1tp-slice:ltp-slices/ltp-sl/restoont/vl/data/xxx-1tp-slice:Itp-slices/ltp-sl/restoonf/v1/data/xxx-an-slics/an-sllce-service/e/resteonf/v1/data/xxx-an-slics/restoonf/v1/data/xxx-an-slics/an-slice-service//resteonf/v1/data/xxx-an-slicnhttps://code,/projeeANG/repos/vt-383/browse/types/bbf-It-typ/projecANG/repos/xt-383/browse/types/bbf-dotlq-t/projee0N/repos/vt-385/browse/bbf-xpon-if-tyg?at=refsA2FtagsA2Fv1.0.0該模型擴(kuò)充了在iana-if-typo中定義該模型擴(kuò)充了由iotf-interfaco+--rwdeseription?st+-rwinterfaca*[ifna+--rwlogical-resore*[resourcc+--rwresourcc-iemidentityref+-rwspecificatc)csa-an-slice-sbi-vlan.yang:該YANG模型定義了接入網(wǎng)切片的VLAN配置類(lèi)型。完整的7.2南向接口切片操作南向接口切片操作如表5所示。表5南向接口切片操作/an-slice-sbi-service:bban-slice-sbi-servicenslice-instan-slice-sbi-serviceislice-inean-slice-sbilservic/an-slice-sbi-service:an-slice-sbi-service寬ice:channels/an-slice中文名VLAN索引802.Ip中文名dde中文名目的IP掩碼nh(規(guī)范性)modulecesa-an-slice-namespace"urn:ccsa:yang:ccsa-an-slice-service";importietf-inet-types(prefiximportcesa-an-slice-pub-type“ThemodelisdefinedforAccessNotworkserviceslicing.”;)“Baseidentityfromwhichspecifieisolationtypidentityphysical-isolbaseisolation-typebaseisolation-type;“Logicalisolation.”;typedefip-address-or-prefix(typeunion(“Theip-address-or-prefixtyperepresenteitheranIPaddre)“Networktraffic.”;leaffixed-bandvidthLinkcapacitythatisallocatedtothegivent“Thevariationinpacketdelayiscalledjitter.Packetdelayvariation(PDV)isneasuredbythedifferejitterquantifiedinunitsofmicroseconds.”;leafmax-loss("Packetlossasapercentageofthetotaloveraconfigurabl)“Authentication.”leafuser-nane(typean-slice-type:usern“Authenticationusername.”;leafpassword(“Authenticationpasssord.”;leafouter-vlan(leafinner-vlan(“Forthemanagenentofservicesliceinstances.”;“ListofServiceLevelAgreenent.(SLA)templates.”;“ConfigureServiceLeve1leaftemplate-name}containerns-template“ListofNetworkSlicingTemplates(NST).”leafnane("Networkslicingtempleafsla-tenplate-name{path“/slice-service/sla-templates/sla-templ))leafisolation-type()“Theserviceisolationlevel.”:)leafapp-type()leafapp-name()“ListofNetworkServiceSlicingInstance(NSI).”;“Configurenetworksliceinstance.”;leafnsi-id(leafnst-nane(path"/slice-service/ns-templates/ns-temp)“Listofolt.”;“Configureoltfornetworkslicinginstance.”;leafolt-res-id(“0ltneid.”;}"Listofnetworkpointports.";“IndicatestheuniqueDorthedtpslice.”;usesan-slice-type:ltp-slice}“ListofUNIports.”;“IndicatestheuniqueIDoftheltpslice.”;usesan-slice-type:ltp-slice})“Listofonu.”;“Configureonunetworkslicinginstanee.”;leafonu-res-id(“[0-9a-z](8)-[0-9a-z](4-[0-9a-z](4)-[0-9a-z](4}”+“-[0-9a-z]{12)”;)“IndicatestheuniqueIDoftheONU.Thetypeisleafwan-auth-type(typean-slice-type;wan-au“TheauthtypefortheWANport,includ/..modulecesa-an-slice-pub-type{namespace"urn:ccsa:yang:ccsa-an-slice-pub-tprefixan-slice-timportietf-yang-t“ThismoduleprovidesthepublictypesforANslices.”;"SubnitfoFinalVer“Initialrevision.”;typedefadnin-status("adninup,theoperate-typedefoperate-status{typedefdown-clear-reason-type("theobjectinstanceisdetypedefhex-binarypattern“(0x|0X)?[0-9a-fA-F]+“Thisisahexadeclsalvariable.”;typedefdisplay-stringpattern“[A-Za-z0-9_\-]*}typedefusernanepattern“[A-Za-z0-9_\-s8]*“Thisistheusernametype.”;typedefpassword(pattern“[1-*”"“Thisisthepasswordtype.”;typedefwan-auth-type(leafns-res-idleafltp-slice-res-idleafne-res-id(“0LT(NetworkElement)identifier.:leafltp-res-id(containerltp-slice-leafassigned-bandwidth(“Configuretheallocatedbandwidth.”;leafused-bandvidth("Statusofusedbandwidth.leafconvergence-ratio)“Configurethebandwidthconergenceratioofthemoduleccsa-an-slice-namespace"urn:ccsa:yang:ccsa-anprefixan-slice-dnimportcesa-an-slice"SubnitfoFinalVercontainernctwork-slleafns-res-id(“Auniquenetworksliceidentirieracrossasliceleafns-description"Descriptionregardingthespecontainerltp-sl“Listofltpslice.”;usesan-slice-type:ltp-slice//networkslicesmoduleccsa-an-slice-sbi-servprefixan-slice-sbi-serprefixifprefixlaoaiftprefixan-slice-sbi-res;prefixbbf-xponift;“OCSA.”;“ThismodulecontainsacollectionofYANGdefinitionsforsupportingOLTdevicec“Initialtypedefnsi-service-typetypeenunerat“Indicatesthatthesliceservicetypeisnotlimited.”;“IndicatesthemulticastduplicationmodetomulticastTheaccessdevicedupleachPONportafterreceivinganul2devicethenduplicatesthemulticastusers.ThePONportssupporttheadnissioncontrol(CAC)function.";}“Indicatesthesliceservicetype.”:}"Indicatesthebandwidthandconvergenceratioofleafbandvidth{typeuint64“Indicatesthebandwidthallocatedtotheinterface.”;leafconvergence-ratio(“Configurethebandwidthconvergenceratiooftheinterface.”;groupingslice-instance-“Indicatesanetworksliceinstanceattribute.”leafslice-nane(“Indicatesthenaneofasliceinstance.Naneswithonlyoneleafpriority(range“1..7”"Indicatestheslicepriorpriorityand1indicatestbronzesliceswithoutdevicleafqueue-buffer{leafservice-type{typensi-service-type;“IndicatesanetworksliceinstanceVLAN.”;"ListofVLANsinanet"ConfigurenetworkVLANtoanetworkslice,consistentwithtypean-slice-sbi-vlan:12-forwarder:“ConfigureaVLANtoanetworkslice.”;deseription"ConfigureuserVLANtoanetwoleafvlan-id(typean-slice-sbi-lan;12-fo“ConfigureaVLANtonnetworkslice.”;}}groupingslice-in“ListofVXLANsinanetworksliceinstance.”leafvni-id()))“Indicatesanetworksliceinstanceportorchannel."Listofportsinanetworksliceinstanc”ConfigureethernetCsmacdports,eleafifnane(must“Aif:interfaces/if:interface[if='ianaift:ethernetCsma/if:interfaces/it,interface[if:/if:interfaces/if:interface[fhane/if:interfaces/if:interface[if:name=current0]/if:type/if:interfaces/if:interface[if:nane=currentO]/if:type/if:interfaces/if:interface[if:nane=currentO]/if:type='bf-xponift:chamel-pai/if:interfaces/if:interface[if:name=current0]/if:type='bbf-xponift:channel-terninati“Naneofinterface.”;}usesslice-bandwidth;usesslice-instance-yni;augment"/an-slice-sbi-res:slice-an"+"/an-slice-sbi-res:dedicated-“an-slice-sbi-res:dedicated-network”{"Indicatesanetworkslicei"Indicatesasliceinstmodulecesa-an-slice-sbi-renamespace"urn:ccsa:yang:cCesa-an-slice-sbi-resouprefixan-slice-sbi-res;prefixifprefixianaift;prefixbbf-xponift:importbbf-dotlq-types“ThismodulecontainsacollectionofYANGdefinitionsforsupportingOLTdeviceconfigurationforresourcidentityd-net-logical-res“BaseidentityforspecificationitemoflogicalresourceVendorscandefinelogicalresourcetypeo}based-net-logical-resource-t)based-net-logical-resource-t"maxinunnurberofvlanallowbased-net-logical-resource-t"therangeofvlanidallowedtob)“Configurethesystemslicemode.”:Listofdedicated-networks.";leafname{“Indicatesthenameofadedicated-network.”;leafid{)“IndicatesthededicatednetworkID.Thevalueisautonaticallyallocatedbnetworkiscreated.Thevaleafdescription}"Indicatesthedescriptionofadedicated-net)"Listofinterfacesinadedicated-“Co