5G网络切片技术课件

,6/14/2020,#,H,H,I,U,S,A,IL,W,IC,E,O,I,N,TE,S,C,E,H,M,N,IC,O,O,LO,ND,G,U,IE,C,S,T,C,O,O,R,.,LTD.,Page,1,Network,Slicing,in 5G,Network,Network Slicing in 5G Network,1,HU,H,A,I,W,SI,E,L,I,IC,T,O,EC,N,H,S,N,E,O,M,L,IC,O,O,G,N,IE,D,S,U,C,C,O,T,.,O,L,R,TD.,Page,2,切,片,E2,E,能力：,已,具,备,e,M,B,B,能力，,全,业,务,切,片,发力,R16,e,M,B,B,切片：空口大带宽,切片级优先级调度,切片级,Qo,S,保障：软隔离,资源预留：硬隔离,全业务切片,m,M,TC,和,u,R,LL,C,推标R1,6,虚拟专网，按需组合,AN,：,从,e,M,B,B,到全业务支,持,切片,T,N,：大带宽低时延支持切片,C,N,：服务架构重构，提供切片,能,力,丰富的管道类型,V,P,N+,Qo,S,：,软,隔,离,F,l,e,x,E：硬隔离,模板3,模板1模板2,用户面分布式，使能短时延业务,C,e,n,t,ral,DC,Lo,cal,DC,Edg,e,DC,VP,N,F,l,e,x,E,HUHAIWSIELIICTOECNHSNEOMLICOOG,2,HU,H,A,I,W,SI,E,L,I,IC,T,O,EC,N,H,S,N,E,O,M,L,IC,O,O,G,N,IE,D,S,U,C,C,O,T,.,O,L,R,TD.,Page,3,切片的,SL,A,保障,S,L,A,输入,S,L,A,实现,Latency:,20ms,Bandwidth: 50,Mbps,Reliability:,99.9999%,Users: 50,million,Isolation:,low,切片设计和订购,阶,段,，,完成,S,LA定,义,和,实,例,化,输,入,，,通,过切片模板传递,到,运,行,时。,Latency:,20ms,E,d,ge,L,oc,a,l,C,en,t,e,r,Reliability:,99.9999%,M,E,C,部署,资源冗余策略,部署策略,Users: 100,million,资源规格计算,弹性预留量估计,Isolation:,low,共享,/,独占NF,共享,/,独占公共部件,Reliability:,99.9999%,Mobility:,No,Charging:,Service-based,部件编排,Mobility:,No,无移动用户管理,Charging:,Service-based,内容计费,Users: 50,million,大容量用户管理,大容量终端管理,信令面双链路配置,业务配置与,Qo,S,策略,Latency:,20ms,Bandwidth:,50,Mbps,Q,oS,策略,Latency:,20ms,用户面调度模式,控制面快速切换配置,S,L,A,监控与闭环,SL,A,监控,SL,A,闭环,扩缩容,Q,oS,协同,接入,AMF,Q,o,S,决策,R,A,N,接入,A,MF,S,MF,U,P,F,主动监控,RAN,能力开放,NFs,NEF,OTT,切片,的,E2E,协同，,是通,过,对切,片,SLA,的输入进,行分,解,和映射,，,确定部,件,、,QoS,策,略、部,署,策略和,业,务配置，,并实施,SL,A,的监控与闭,环,，,从,而,保,证,了,切,片,的,业,务,目,标,实现,HUHAIWSIELIICTOECNHSNEOMLICOOG,3,HU,H,A,I,W,SI,E,L,I,IC,T,O,EC,N,H,S,N,E,O,M,L,IC,O,O,G,N,IE,D,S,U,C,C,O,T,.,O,L,R,TD.,Page,4,切片实例是基于网络,能,力,生,成,的,商,业,应,用,实例,5G,e,M,B,B,业务,m,M,T,C业务,U,R,L,L,C,业务,V,R直播,远程控制危险操作,兰亭第二现场V,R,沉,浸,式,体,验,三一重工提出的,远,程,控,制,挖,掘机,现场直播,阿里直播对主播,体,验,保,障,远程医疗,郑州大学一附院,急,求,车,通,信,保障,智能电网,南方电网抄表及,调,度,车联网,上海大众汽车辅,助,及,娱,乐,系,统,切片实例,基本业,务,切片模板,花椒VR直播,HUHAIWSIELIICTOECNHSNEOMLICOOG,4,H,HI,U,S,A,IL,W,IC,E,O,I,N,TE,S,C,E,H,M,N,IC,O,O,LO,ND,G,U,IE,C,S,T,C,O,O,R,.,LTD.,Page,5,C,o,n,t,ent,E2,E,切片,o,v,e,r,v,iew,5G,核心网切片,（SA2）,5G,切片管理（SA5）,5G,RAN,切片,（RAN）,Open,discussion,HHIUSAILWICEOI NTESCEHMNICOOLO,5,HU,H,A,I,W,SI,E,L,I,IC,T,O,EC,N,H,S,N,E,O,M,L,IC,O,O,G,N,IE,D,S,U,C,C,O,T,.,O,L,R,TD.,Page,6,20162017201820192020,Global,L,a,un,ch,R,el,-,14,Rel-16,5G,SA,2.0,SA,Rel-15,NSA,eMBB,Slicing/Low,Latency/5G,MEC,3GPP,仅定义,MF,Service,、服务接口、数据模型，对厂商 管理面商业模式带来挑战,切片管理需求定义（TS,28.530）,生命周期管理,N,S,I,/,N,S,S,I,的创,建,/,修改,/,销毁,/,激活,/,去激,活,/,编排,故障管理,N,S,I,/,N,S,S,I,的告警数据上,报,/,监控,性能管理,N,S,I,/,N,S,S,I,的性能监控,N,S,I,/,N,S,S,I,的性能任务管理,/,数据采,集,/,阈值管理,配置管理,N,S,I,/,N,S,S,I,中,N,F,实例配置,NSI：Network Slice,Instance,NSSI：Network,Slice,Subnet,Instance,管理面服务化架构,（TS,28.533，,讨论中）,5G,R15,标准即将结题,，SA5将,完,成,切,片,管,理,需,求,和,管,理,面,服,务,化,架,构,定义,HUHAIWSIELIICTOECNHSNEOMLICOOG,6,Page,7,3GPP,SA5,3GPP RAN,2/3,3GPP,SA,2/3,ETSI,NFV,Access & Congestion,control,Slice,QoS,Resource,Isolation,L2,SoftAir,RAN,Slice,Protocol,Custimaization,Slice,Mobility,Discover,and,identify,slice,Slice,Management,Slice,Awareness,Slice,Assurance,Slice,Customization,Slice,Selection,and,Association,One,UE,Multiple,Slices,Mgmn,CN,slice,resource,isolation,Slice,Security,Slice,Roaming,Programmable,UP,Customized,Value-,added NFs,(MLAN,App,Mobility),Control,Plane,Component,C,u,s,t,o,m,i,z,a,t,i,o,n,Cross Domain,Architecture,Slice,Blueprint,Definition,SLA,Allocation,&,Assurance,Tenant,Statistics,Cross Domain,Interface,Orchestrator,MANO,VNF,Manager(s),V,Infra-s,Manager(s),S,o,u,t,hb,o,un,d,R,el,-,15,R,e,l,-,15,R,el,-,15,Rel16:,Phase,II,Standardization,Rel15: Phase I,Standardization,2019,2018,HUAWEI,Confidential,2017,HUAWEI,TECHNOLOGIES Co.,Ltd.,E2E,切片,3,G,P,P,标准进展,2018.6,Rel-15：,完成端,到,端切,片,基本,流,程定,义,， 保证eMB,B,业务,端,到端,切,片,Rel-16：,定义多,种,垂直,业,务，,引,入网,络,智 能化,o,v,er,v,i,e,w,Mana,g,e,m,e,n,t,Architecture,RAN supporting Open,discussion,Page 73GPP SA53GPP RAN 2/33GPP,7,H,HI,U,S,A,IL,W,IC,E,O,I,N,TE,S,C,E,H,M,N,IC,O,O,LO,ND,G,U,IE,C,S,T,C,O,O,R,.,LTD.,Page,8,3,GP,P作为5,G,网络架构切片标准定义,主,体；,SA2负责端到端切片架构和流程定义；SA5负责端到端,切,片管理架构,定,义；,其,他S,D,O,以3,GP,P,切片定义为,基,础进行扩展和增强；,SA2,SA5,network,slicing,related virtual,resource requirements,RAN,3,network,slicing,related,Transport,requirements,BB,F,/IE,T,F,Provide transport support,to 3GPP,defined network,slicing,RAN,2,End-to-end network slicing architecture,End-to-end network slicing,management,Slicing,management,Slicing,related,terminology,5,G,网络切片标,准,组织关系,N,G,M,N,GS,M,A,Operator,Requirement,5,G,SA,5,GAA,Vertical,Requirement,SA1,SA3,SA6,Bi-directional,API,for,network,slice,Slice,awareness,in,RAN,Slicing,selection,Slicing,requirement,Slicing security,and,privacy,ETSI,NFV,Provide,virtualization,support,to,3GPP,defined network,slicing,o,v,er,v,i,e,w,Mana,g,e,m,e,n,t,Architecture,RAN supporting Open,discussion,HHIUSAILWICEOI NTESCEHMNICOOLO,8,H,H,U,IS,A,IL,W,IC,E,O,I,N,TE,S,C,E,H,M,N,IC,O,O,LO,ND,G,U,IE,C,S,T,C,O,O,R,.,LTD.,Page,9,Huawei,Confidential,Slice Instance,B,Slice,supporting,system,(SSS),Network,Slice,Template,Designer,Cross Domain Slice Manager,(,m,u,lt,i,-,v,en,dor),O,SS,EMS,C,N,-,D,S,M,1:,N,1:,N,1:,N,Slice Instance,A,B,S,S,Terminal,AN,(1.n),TN,(1,.n),Edge,DC,Core,DC,C,N,(1,.n),APP,AP,AN,Pa,r,t,AN,Pa,r,t,Th,i,r,d-p,a,r,t,y “BSS”,S,Th,i,r,d,-p,a,r,t,y,“BSS”,Common Infrastructure,Layer,E2E,切片架构描述,Network Service,Layer,Domain,slice,supporting,system,(DSS),AN-DSMTN-DSM,Network Management,Layer,BSS,Layer:,Product,design/order,for,industry,tenant,Network,Management,Layer,Cross,domain,Slice,Orchestrator,Layer:,E2E,slice design,provision,and,assurance,based,on,SLA,Domain Slice Management Layer,:,RAN/Transport/Core,domain,slice,management,according,to SLA decomposition,Resource,Layer,:,Domain,resource,management,scheduling,and,coordination,分层架构实现自动闭环切片,管,理,o,v,er,v,i,e,w,Mana,g,e,m,e,n,t,Architecture,RAN supporting Open,discussion,HHUISAILWICEOI NTESCEHMNICOOLO,9,Page,10,HUAWEI,TECHNOLOGIES Co.,Ltd.,HUAWEI,Confidential,E2,E,切片关键术语,3,rd,Party,APP,Central,DC,i,D,r,i,v,e,Autopilot,CN,Part,CN,Part,T,e,s,l,a,Autopilot,i,M,AP,B,M,W,i,D,r,i,v,e,i,M,AP,i,V,i,d,e,o,VLAN1VLAN2,Transport,Network,Terminal,1,Terminal,2,CN,Part,CN,Part,Edge,DC,RAN,Part,RAN,Part,3,rd,Party,Service,A,A,B,iVideo,B,Slice,type,=,URLLC,B,Slice,type,=,eMBB,Tenant：,the operators,customers,(for,example, customers,from vertical industries),or,the operators,themselves,Service:,a,tenant carries,on a,variety of,services.,Slice,Type,:,e.g.,eMBB, URLLC,mMTC,FMC.,NSSAI,= A,set,of,s-NSSAI(,network,slice,instance,selection assistance,information),s-NSSAI,=,SST(Slice,Type),+,SD,SD：Slice,Differentiator,includes tenant,information,E2E Slice,Instance(ESI)：,A,set of,Network,Function instances,and,the required,resources,(e.g.,compute,storage,and networking,resources),which,form a deployed,Network,Slice.,A,o,v,er,v,i,e,w,Mana,g,e,m,e,n,t,Architecture,RAN supporting Open,discussion,Network,Slice =,Multiple Network,Slice Instances. Each,S-NSSAI,assists,the,network,in selecting,a particular,Network Slice,Instance,Page 10HUAWEI TECHNOLOGIES Co.,10,H,HI,U,S,A,IL,W,IC,E,O,I,N,TE,S,C,E,H,M,N,IC,O,O,LO,ND,G,U,IE,C,S,T,C,O,O,R,.,LTD.,Page,11,C,o,n,t,ent,E2,E,切片,o,v,e,r,v,iew,5G,核心网切片,（SA2）,5G,切片管理（SA5）,5G,RAN,切片（RAN2/3）,Open,discussion,HHIUSAILWICEOI NTESCEHMNICOOLO,11,H,HI,U,S,A,IL,W,IC,E,O,I,N,TE,S,C,E,H,M,N,IC,O,O,LO,ND,G,U,IE,C,S,T,C,O,O,R,.,LTD.,Page,12,切,片,标识和切片实例,S-NSSAI：,网络切片标示符，,包,括,SST（,切,片类,型,）和,SD（,无,定,义）.,标准化,SS,T与相应网络切片,特,征之,间,的映,射,，以,确,保,漫,游,场,景,中,终,端,用,户的一致性，可能由,SA,1,负,责定义,S-NSSAI,#1,S-NSSAI,#2,S-NSSAI,#3,Network slice,instance,#1,Network slice,instance,#2,Network slice,instance,#3,Network slice,instance,#4,Slice/Service,type,SST,value,eMBB,(enhanced Mobile,Broadband),1,URLLC,(ultra- reliable,low latency,communications),2,MIoT,(massive,IoT),3,NSSAI,(Network slice selection,assistance,information),S-NSSAI,#1,Slice/Service,Type,(SST),Slice Differentiator,(SD),S-NSSAI,#2,S-NSSAI,#3,Network slice,instance,#5,S-NSSAI,#4,o,v,er,v,i,e,w,Mana,g,e,m,e,n,t,Architecture,RAN supporting Open,discussion,HHIUSAILWICEOI NTESCEHMNICOOLO,12,Page,13,切片划分建议：按业,务,分,类,，,按,垂,直,厂,商,形,成,实例,一类业务对应一个,切片类,型,（切片模板）,车载 设备,IoT,终端,移动 终端,AN,TN,AN,TN,CN,基本,功能,上网,语音,视频,能源抄表,辅助驾驶,移动 终端,移动,终端,语音 可靠性,高带,宽,基本,功能,基本 功能,+,+,省电版 基本功能,基,本,功,能,+,低 时 延,针对一个租户，使用切片模板产,生,切片实例,一个切片类型可以产生一个或者,多,个切片,实,例,车载 设备,辅助驾,驶,For,BMW,车载,设备,辅助驾,驶,For,VW,能源抄,表,For,水厂,能源抄,表,For,电厂,IoT,终端,IoT,移动,终端,切片数量相关的标准定义：,切片标识,（,S-NSSAI,）,长度为,4,byte,。包括：,SST(Slice/Service,Type),：,1byte，,类型，目前定义了eMBB，uRLLC，MIoT,三类,SD(slice,Differentiator),：3byte，,细分同个,SST,中的切,片,实例,，,例如,租,户,信,息,每个用户最多支持8个切片的,业,务,HUAW,IH,S,E,IL,I,IC,TEC,ON,H,S,N,E,O,M,L,IC,O,O,G,N,IE,D,S,U,C,C,O,TO,.,L,R,TD.,视,频,F,o,r,合作OTT,切片实例3,切片实,例n,.,终端,.,.,.,.,.,移动,终端,语音业务,切片实例2,移动,终端,上网业务,切片实,例1,其他可能的应用场景：,低抖动工业控制，公共灾害告警，监控视频，救护车医,疗,数量多,差异化定制多,差异化定制多,E2E,隔离要求高,Page 13切片划分建议：按业务分类，按垂直厂商形成实例一,13,H,HI,U,S,A,IL,W,IC,E,O,I,N,TE,S,C,E,H,M,N,IC,O,O,LO,ND,G,U,IE,C,S,T,C,O,O,R,.,LTD.,Page,14,会话建立过程中的切片选择,A,M,F,UPF,NRF,DN1,DN2,SMF,NS,#1,UPF,NRF,SMF,UPF,SMF,1.,PDU,session,Est. Req,(S-NSSAI,DNN,etc),3.,SMF,discovery(S-NSSAI NSI,ID),4. PDU,session,Est.,Req,5.,PDU,session,Est.,6b. PDU,session,Est.,Rsp,(S-NSSAI,DNN,etc),6a.,Session info,(S-NSSAI),APP-AAPP-B,Network,Slicing,Selection,Policy(NSSP),Default,rule,-,S-NSSAI,1,NSSP,rule,1,App-A,S-NSSAI,1,NSSP,rule,2,App-B,S-NSSAI,2,NSSP,rule,3,.,NS,#2,NS,#3,会话管理,不同切片的会话管理控制面隔离,A,M,F,和,S,M,F,解耦,不同切片的会话,管,理用户面隔离,不同切片的,U,P,F,相互独立,会话不能在不同切片之,间,迁移,N,SS F,2.,NSI,selection,(NSI,ID,NRF),o,v,er,v,i,e,w,Mana,g,e,m,e,n,t,Architecture,RAN supporting Open,discussion,HHIUSAILWICEOI NTESCEHMNICOOLO,14,H,HI,U,S,A,IL,W,IC,E,O,I,N,TE,S,C,E,H,M,N,IC,O,O,LO,ND,G,U,IE,C,S,T,C,O,O,R,.,LTD.,Page,15,C,o,n,t,ent,E2,E,切片,o,v,e,r,v,iew,5G,核心网切片,（SA2）,5G,切片管理（SA5）,5G,RAN,切片（RAN2/3）,Open,discussion,HHIUSAILWICEOI NTESCEHMNICOOLO,15,Huawei,Confidential,H,U,A,W,E,I,T,E,C,H,NOLOGI,E,S,CO.,L,T,D. 16,网络切片管,理,SA,5,-,研究概况,Slice,design,Design,a,network,slice,to,meet,certain,network,characteristics,required,by,an,end-user,service,or,a,business,service,including,service,instance,and,network,slice,(subnet),template,design,and,management,Slice,management,Control,and,manage,the,network,slice,including,the,lifecycle,management,(e.g.,creation,termination),slice,monitoring,and,a,ssurance (e.g.,performance,and,fault,monitoring),and,network,slicing,management,architecture,Slice,orchestration,Orchestration,of,the,components,of,the,network,slice,including,the,shared,slice,instance,management,orchestration,of,slices,across,multiple,operators,end-to-end,network,slice,orchestration,and,coordination,between,3GPP,and,non-3GPP,management,systems,Slice,automation,Apply,SON,concept,for,network,slicing,management,including,slice,instance,automated,healing,and,optimization,Slice management,and,orchestration,Slice,d,esign,S,e,r,v,ice,T,e,m,p,l,a,t,e,L,CM,Slice,m,ana,g,e,m,en,t,FM/PM,A,r,c,h,i,t,e,c,ture,Slice,o,rchestration,Slice s,ha,r,i,n,g,M,u,l,t,i-,o,p,e,r,a,t,o,r,orchestration,E2E,coordination,Slice,a,utomation,Auto-,hea,li,n,g,Auto-,o,p,t,i,m,iz,a,t,i,o,n,o,v,er,v,i,e,w,Mana,g,e,m,e,n,t,Architecture,RAN supporting Open,discussion,Huawei ConfidentialHUAWEI TECH,16,H,HI,U,S,A,IL,W,IC,E,O,I,N,TE,S,C,E,H,M,N,IC,O,O,LO,ND,G,U,IE,C,S,T,C,O,O,R,.,LTD.,Page,17,E2,E,网络切片管,理,-,SA5,o,v,er,v,i,e,w,Mana,g,e,m,e,n,t,Architecture,RAN supporting Open,discussion,Slice,Provisioning,Slice,Design,(Slice,Template),T,e,n,a,nt,Cross,domain,slice,(multi-vend,manager,o,r,),Vendor,C,a,p,a,b,ili,t,y,SLA,information,Network,Slice,Template,Designer,NSMF,N,SS,MF,TN-NSSMF,CN-NSSMF,AN-NSSMF,Customized,Slice,template,and,agile,on-,boarding,Sharing,and/or,isolation in cloud,infrastructure,Supporting,Vertical,Requirements,by,management,Interface,Mapping of,service,model,and,network,resource,model,Closed-loop automation,of,slice,subnet,Slice,design and,template-Multiple,services,slice,template,assembly,Service,based management interface,(Service,Network)-Providing programming,API,capability,Closed-loop,automation-Automated,adjustment according to,services,experience,HHIUSAILWICEOI NTESCEHMNICOOLO,17,Page,18,HUAWEI,TECHNOLOGIES,Co.,Ltd.,HUAWEI,Confidential,SSS,E2E,Orchestrator,E2E,切片业,务,流设计和规划,5G,RAN,Transport,Core,5G,RAN,DSM,Transport,DSM,CN,DSM,Slice,Design,Offering,Design,Slice,Assurance,Offering,Order,Slice,Provision,E2E,Slice,A,gg,r,e,ga,t,i,o,n,IF-MSM-RAN,I,F-,M,S,M,-CN,I,F,-,B,S,M,IF-TRANS,Slice,Monitor, 查,询域切片定义模板,到,E2E,Orchestrator（,包括域切片类,型,和对应,的,S,L,A范围）;,将,单域切片定义集成,到,E2E,切,片,定,义,中,;,导入,E2E,切片定义模板,;,设,计特定的,E2E,切片满足具,有,拖放功,能,GUI,的,要,求,（,包,括,初,始,延,迟,配额和调整优先级）上，将模板,保,存,到,E,2,E,编排,器,中;,向,BSS,层导入新的切片类型，,支,持,Offering,Design;,Design network,slices according,to,the,network,capabilities and,SLA,requirements.,Application/Business,Layer,o,v,er,v,i,e,w,Mana,g,e,m,e,n,t,Architecture,RAN supporting Open,discussion,Page 18HUAWEI TECHNOLOGIES Co.,18,Page,19,HUAWEI,TECHNOLOGIES,Co.,Ltd.,HUAWEI,Confidential,E2E,切片业务流,之,切片部署,o,v,er,v,i,e,w,Mana,g,e,m,e,n,t,Architecture,RAN supporting Open,discussion,BSS,触发,NSI,的生成,跨域切片管理器定义,E2E,切,片,：,根据服务类型选,择,S,li,ce,模板,基于位置和切片模板的切片拓,扑,设计,切片功能根,据,S,LA和,网,络,功,能,进,行,定,义,将,S,LA分解到不同的域，,并,与相关,域,进行协商,跨域切片管理器从每个MBB,/,FBB域切片管理订阅域,KPI;,每个 MBB,/,FBB域切片管理器报告部署进,度,。,RAN,/传输,/,核心网功能和资源,编,排,Page 19HUAWEI TECHNOLOGIES Co.,19,H,HI,U,S,A,IL,W,IC,E,O,I,N,TE,S,C,E,H,M,N,IC,O,O,LO,ND,G,U,IE,C,S,T,C,O,O,R,.,LTD.,Page,20,C,o,n,t,ent,E2,E,切片,o,v,e,r,v,iew,5G,核心网切片,（SA2）,5G,切片管理（SA5）,5G,RAN,切片,（RAN）,Open,discussion,HHIUSAILWICEOI NTESCEHMNICOOLO,20,Page,21,HUAWEI,TECHNOLOGIES Co.,Ltd.,HUAWEI,Confidential,基于切片,的,RAN,Numerology,Hard Radio,Slicing,Soft,Radio,Slicing,Elastic,capacity,for each,slice,to,enhance,usage,of network,resource,Flexible sub-carrier,bandwidth,Flexible air,interface,Flexible sub-carrier,bandwidth,CP,and,TTI,designed,to,meet,different requirement of,services,Smart,Home,A,R,/,V,R,V,2,X,T,i,m,e,F,r,eq,u,e,n,cy,Flexible,TTI,F,r,e,q,u,e,n,cy,TI,M E,T,i,m,e,Independent,Resource,Shared,R,e,s,o,u,r,c,e,1) eMBB , uRLLC ,Idle,2) eMBB idle, uRLLC,Congestion,Schedule,more resource,for,platooning,3) eMBB,and,uRLLC,Congestion,Adjust the allocation,proportion,o,v,er,v,i,e,w,Mana,g,e,m,e,n,t,Architecture,RAN supporting Open,discussion,Page 21HUAWEI TECHNOLOGIES Co.,21,HU,U,AW,W,E,E,I,I,TECHNO,O,L,L,O,O,GIES,C,C,o,O,.,.,L,t,T,d,D,.,.,HUA,H,W,u,E,a,I,w,C,e,o,i,n,C,f,o,id,n,e,fi,n,d,t,e,ia,n,l,tial,Generally,principles,A network,slice,always consists,of a,RAN,part,and,a CN,part,Network,can realise,the,different,network,slices,by,scheduling,and,also,by,providing,different L1/L2,configurations,While,the,network,can,support,large,number,of,slices,(hundreds),the,UE,need,not,support,more,than,8,slices,simultaneously,技术点,当前,R,1,5,标准进展,后续计划,R,A,N,感,知切片,R,A,N2,同意基于会话粒度的,切,片感,知,，,R,A,N,将根据,切,片的,配,置信,息，根据实现满,足,U,E,支,持,的,切,片,S,L,A,需求,N/A,A,M,F,选择,R,A,N2,同意,M,s,g,5,携带切片信息，,具,体的,消,息内,容,待讨论,R,A,N3,同意,N,G,口交互切片,信,息,Rel-15:,RAN2,定义具体的切片信,息,(Msg3,和,M,s,g,5,),切片,感,知,的,切换,R,A,N3,同意相邻基站间交互,切,片信,息,，用,于,目的,基,站选,择,，从,而,启,动,X,n,、,N,G,切换流程,Re,l,-,15,：,R,A,N3,定义,X,n,/,N,G,切,换,信,令,中,携,带,具体的切片信令和原因,Q,oS,保障,RAN2,同意新定义,SDAP,层支,持,切片,内,QoS,Flow,到,DRB,映射,Rel-15:,RAN2,定义具体的,SDAP,格式,切片,感知,的,空闲,态,/,i,n,a,c,t,i,v,e,UE,接入控制：,基于,Category,ID,小区重选：沿,用,L,T,E,方,案,，,其,他,方,案,待,定,Re,l,-,15,：,R,A,N2,接入控制,/,小,区,重选,考,虑切,片信息,RAN,part,切片,选择,R,A,N,基于实现，对标准,无,影响,N/A,切片,区域,化,部署,SA2/,R,A,N,同意,U,E,注册区域内,支,持切,片,不变,Re,l,-,16,：更小粒度的,切,片部署,RAN,part,切片,ID,后续讨论,Rel-16,：,引入,RAN,part,ID,用于,RAN,处理,Page,22,o,v,er,v,i,e,w,Mana,g,e,m,e,n,t,Architecture,RAN supporting Open,discussion,R,A,N,切片R,1,5,HUUAWWEEII,22,HU,U,AW,W,E,E,I,I,TECHNO,O,L,L,O,O,GIES,C,C,o,O,.,.,L,t,T,d,D,.,.,HUA,H,W,u,E,a,I,w,C,e,o,i,n,C,f,o,id,n,e,fi,n,d,t,e,ia,n,l,tial,Support,of Network,Slicing relies,on the,principle,that,traffic,for,different,slices,is handled,by,different,PDU,sessions.,Different,DRBs,are,configured,for different,slices,Network can,realise,the,different,network slices by,scheduling,and also by,providing different,L1/L2,configurations,eMBB slices are,configured,with,full L2,protocol,stack,and,all,functionalities,uRLLC slices,are with,packet duplication,in,L2,and,short,TTI,numerology,mapping,mMTC slices,may,not be configured,with PDCP,layer,Customized protocol stacks,and,procedures,adapting,to,different,slices,features,Page,23,R,A,N切,片-,QoS,保障,o,v,er,v,i,e,w,Mana,g,e,m,e,n,t,Architecture,RAN supporting Open,discussion,Slice#2,U,P,F,Radio,NG-U,NG-RAN,5GC,UENB,UPF,-,Slice#1,PDU,Session,Slice#1,Radio,Bearer,NG-U,Tunnel,QoS,Flow,QoS,Flow,Radio,Bearer,QoS,Flow,PDU,Session,Slice#2,Radio,Bearer,NG-U,Tunnel,QoS,Flow,P-,GW,S-,GW,Pee,r E,n,t,i,t,y,U,E,eNB,EPS,Bearer,Rad,i,o,Bea,r,e,r,S1,Bea,r,e,r,End,-to-,end,Se,rv,i,ce,External,Bearer,Rad,i,o,S,5,/S,8,S,1,E-UTRAN,EPC,Internet,G,i,E-,R,AB,S5/S8,Bearer,LTE,QoS,5G,QoS,QoS features,in,NR,QoS feature,in,LTE,1,End,to End:,QoS,flow,granularity,Uu interface:,DRB,granularity,End,to End:,EPS,bearer,Uu,interface:,DRB,granularity,2,M:1,QoS,flow to DRB,mapping,1:1,EPS,bearer to,DRB,mapping,3,Support,both,AS,reflective,QoS,and,NAS,reflective,QoS,N/A,4,New,SDAP,layer,N/A,HUUAWWEEII,23,Page,24,HUAWEI,TECHNOLOGIES,Co.,Ltd.,HUAWEI,Confidential,切片定制：差异化协,议,栈,配,置,和,功,能,部署,Slice,specific protocol,stacks,and,algorithms,achieve,on,demand,slice,and,reduce,TTM,Slice,specific,protocol,stacks,m,M,T,C,e,M,B,B,uRLLC,R,LC,M,AC,P,H,Y,RRC,P,DC,P,R,LC,M,AC,P,H,Y,RRC,m,M,T,C,u,R,LLC,eM,B,B,RRU,CN,RF,RF,RF,CP,UP,RRC,1,P,DC,P,2,P,DC,P,3,R,LC,1,2,Optionalhead,compression,Flexible,deployment,3,Optional,mobility,function,reduce,function components,that the,slices,neednt , reduce,waste,of,resources,Minimum function,of one,slice,only,keep,necessary components,reduce,failure,probability,Simplify,OM of,Slice,Regio,n,a,l,DC,Local,DC,Central Office,Remote,Site,RF,Lo,c,a,t,i,on,Slice,#3 (uRLLC,),CN-,Commo,n,-,CP,CN-CP#1,CN-CP#2,CN-CP#3,CN-UP#1,C,N,-U,P#2,RAN-ACC,RAN-ACU#1,RAN-RAC,RAN-RAU,RAN-ACU#2,RAN-ACU#3,CN-UP#3,RF,RAN-RAC,R,A,N,-