MC 3GPP演进蓝图：5G系统架构 Service Based Architecture The roaming UE interfaces the Data Network(DN)in the visited network(VPLMN)and the home network(HPLMN)enables it with subscription information (UDM),subscriber authentication (AUSF)and UE specific policies (PCF).Network slice selection (NSSF),network access control and mobility management(AMF),data service management(SMF)and application functions(AF)are provided by the VPLMN.The user plane (UPF)is managed following a model of control and user plane separation similar to what was already introduced in the latest 3GPP 4G release.Security proxies(SEPP)protect the interactions between PLMNs. 3GR :1*44t4t144 NSSF NEF NRF PCF AF UDM NRF Nnssf Nnef Nnrf Npcf Naf Nudm Nnrf VSEPP hSEPP N32 Namf Nsmf Nausf Npcf Nnef AMF SMF AUSF PCF NEF N1 N2 N4 VPLMN I HPLMN UE (R)AN UPF DN N3 N6 System architecture milestone of 5G Phase I is achieved,December 21,2017 https://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1930-SYS ARCHITECTURE Retrieved:20191110
{ynh,cxh}@ustc.edu.cn 3GPP演进蓝图：5G系统架构 Service Based Architecture 28 System architecture milestone of 5G Phase 1 is achieved, December 21, 2017 https://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1930-SYS_ARCHITECTURE Retrieved:20191110 The roaming UE interfaces the Data Network (DN) in the visited network (VPLMN) and the home network (HPLMN) enables it with subscription information (UDM), subscriber authentication (AUSF) and UE specific policies (PCF). Network slice selection (NSSF), network access control and mobility management (AMF), data service management (SMF) and application functions (AF) are provided by the VPLMN. The user plane (UPF) is managed following a model of control and user plane separation similar to what was already introduced in the latest 3GPP 4G release. Security proxies (SEPP) protect the interactions between PLMNs
MC 3GPP演进蓝图：5G系统架构 Network Slicing A distinct key feature of the 5G system architecture is network slicing. 36P Smartphone Slice 1(e.g.for the network operator's subscribers) A CLORAL INITIATIVE Smartphone Slice 2(e.g.for a virtual operator's subscribers) Vehicle Services Slice 1(e.g.for a truck manufacturer's fleet assistance) M2M Service Slice 1 (e.g.for a goods or container tracking system) Overall operator network(PLMN)domain (Radio)Access Data Network UE domain Network domain Core Network domain /applications System architecture milestone of 5G Phase 1 is achieved,December 21,2017 29 (ynh,cxh@ustc.edu.cn https://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1930-SYS ARCHITECTURE Retrieved:20191110
{ynh,cxh}@ustc.edu.cn 3GPP演进蓝图：5G系统架构 Network Slicing 29 System architecture milestone of 5G Phase 1 is achieved, December 21, 2017 https://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1930-SYS_ARCHITECTURE Retrieved:20191110 A distinct key feature of the 5G system architecture is network slicing
MC 3GPP演进蓝图：5G系统架构 Deployment with Network Slicing slice #3 is a straightforward deployment where all network functions serve a single network slice only. a UE receives service from multiple network slices,#1 and #2. 3GPP deployments using network slicing 3G ktte是Ait=ITIATIVE NSSF NRF PDU PCF session SMF 1 UPF Slice #1 PCF PDU SMF PCF 2 DN AMF AN UPF Common NF slices #1  Slice #2 NRF SMF PCF DN3 AME UPF Slice #3 System architecture milestone of 5G Phase 1 is achieved,December 21,2017 30 ynh,cxh@ustc.edu.cn https://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1930-SYS ARCHITECTURE Retrieved:20191110
{ynh,cxh}@ustc.edu.cn 3GPP演进蓝图：5G系统架构 Deployment with Network Slicing 30 System architecture milestone of 5G Phase 1 is achieved, December 21, 2017 https://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1930-SYS_ARCHITECTURE Retrieved:20191110 • slice #3 is a straightforward deployment where all network functions serve a single network slice only. • a UE receives service from multiple network slices, #1 and #2
MC 3GPP演进蓝图：5G系统架构 Application support Application/Service Layer 3G A G1084L IMITIATIVE Data packets from applications 姆 QoS rules 册 (mapping UL packets to QoS flows and applying QoS flow marking) QoS flow (all packets marked with the same“QoS flow ID") Mapping QoS flows D to AN SDF templates Resources (classify packets to SDFs) for QoS flow marking AN Resources PDU session UE AN UPF user plane(UPF) System architecture milestone of 5G Phase 1 is achieved,December 21,2017 31 (ynh.cxh @ustc.edu.cn https://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1930-SYS ARCHITECTURE Retrieved:20191110
{ynh,cxh}@ustc.edu.cn 3GPP演进蓝图：5G系统架构 Application support 31 System architecture milestone of 5G Phase 1 is achieved, December 21, 2017 https://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1930-SYS_ARCHITECTURE Retrieved:20191110 user plane (UPF)
MC 3GPP演进蓝图：5G系统架构 Session and Service Continuity (SSC)modes The new modes allow for relocating the IP anchor.There are two options, make-before-break(SSC mode 3)and break-before-make(SSC mode 2). 3GR Session and Service Continuity(SSC)modes PDN Serve Server Server Server PDN PDN UPF UPF UPF UPF UPF IP2 IP1 IP2 SSC mode 1 SSC mode 2 SSC mode 3 System architecture milestone of 5G Phase 1 is achieved,December 21,2017 34 yul山jus.uu.Cn https://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1930-SYS ARCHITECTURE Retrieved:20191110
{ynh,cxh}@ustc.edu.cn 3GPP演进蓝图：5G系统架构 Session and Service Continuity (SSC) modes 32 System architecture milestone of 5G Phase 1 is achieved, December 21, 2017 https://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1930-SYS_ARCHITECTURE Retrieved:20191110 The new modes allow for relocating the IP anchor. There are two options, make-before-break (SSC mode 3) and break-before-make (SSC mode 2)