SReXperts Moscow. Mobile Core Strategy EPC evolution Taurintas Jokubauskas

Transcription

1 SReXperts Moscow Mobile Core Strategy EPC evolution Taurintas Jokubauskas <Public>

2 EPC portfolio overview and market situation 2 <Public>

3 Key Market Development Beyond consumer data evolution Broadband Evolution Cloud Evolution Internet of Things 5G Architecture Supporting growth of consumer market, but also as a platform to engage business & residential markets Top 3 use cases for cloud deployments are Mobile VoIP, EPC and Market Application oriented packet cores Tens of service verticals and Billions of devices to drive IoT connectivity and new Eco-system play for operators Growing Business!!! Happening Now!!! Opportunity to grow!!! Core architectural transformation to support 5G Radio and emerging new use cases 4 Innovate Future!!! 3

4 Mobile Packet Core Solution Support existing customers while evolving to Cloud EPC Mobile Packet Core: Support installed base, hardware optimized bare-metal Virtualized EPC: PoCs/trials, initial commercial deployments Telco Cloud 2.0 : Full-scale new deployments, new segments, new applications/services 7750 SR Mobile GW 9471 WMM IP Mobile Core Virtualized Mobile GW vepc Virtualized Mobility Mgr. (limited) Cloud Mobile GW Cloud MM Flexi NG Flexi NS Evolved Packet Core Flexi Cloud NG (limited) Liquid Core Flexi Cloud NS Cloud EPC SW re-use also on ATCA platform and IT HW appliances 4

5 Nokia Packet Core Footprint Market Presence 240+ Global Customer References 1,7 Bn+ Global Subscriber base 140+ EPC Customer References #3 EPC Market Share 180+ MME/SGSN Customers 200+ Mobile Gateway Customers 5

6 First deployments of virtualized EPC First Deployments o Multi-country cloud EPC renovation o 2/3/4G consumer core o vepc for IoT core o vepc for Fixed LTE o virtualized epdg for VoWiFi o vepc for Private Mobile Radio core 6 6

7 Mobile GW evolution 7 <Public>

8 Mobile Packet Gateways - Evolution Bringing the best of two worlds together 7750 SR MG SR-OS-MG Operating System for VNF & PNF 7750 SR MG based PNF VMG Virtual Flexi-NG Key Feature Porting / Upgrade Path Cloud MG Stateless Control Cloud DB Separation of Control and Data Planes 8 Flexi-NG Continued Support and Development for installed base <Confidential>

9 Nokia Mobile Gateway Multi-Functional GW for 2G/3G/4G and Wi-Fi Services AAA MME/SGSN HSS/HLR Evolved packet core PCRF OCS/OFCS A single platform spanning all Radio Access, leveraging common functions 2G/3G/4G SIM & SIM-less UEs Node B / enodeb Small Cell Wi-Fi Access Point Mobile backhaul NON-3GPP access (WI-FI) SGW PGW/ GGSN epdg TWAG SSG Common Functions AAA Charging 3GPP Integration PCEF DPI/NAT/IPs ec Lawful Intercept 7750 SR Mobile GW Enterprise Internet IMS CDN Datacenter cmg 9 Supports range of mobile gateway functions: GGSN, S-GW, P-GW, epdg, TWAG, SSG (TDF)

10 VMG v1 is already built in support of a cloud architecture Virtualized Mobile Gateway MG-VM: 20Gbps non DPI throughput, 10Gbps DPI throughput, 30k tr/s, 4M sessions, 8M bearers, 1M IPsec tunnels (vepdg) Life vepc/v-epdg deployments across all regions for consumer, M2M and VoLTE/VoWiFi applications 10

11 vmg Appliances Feature Candidates for 9.0r1 Next step for EPC evolution with future proof cloud SW and IT x86 HW for customers, which are not cloud ready securing investments for future cloud evolution Small vmg appliance: 20/10Gbps, 2M sessions Large vmg appliance: 160/80Gbps, 16M sessions 11

12 Internal Private Network cmg: Impact on Network Architecture Internal Control Network Active OAM/Management Network OAM-VM Standb y OAM-VM Active MG-VM-1 Standb y MG-VM-1 S1u loopback S11 loopback S5 loopback Gx/Gy loopback Internal Data Network cmg Loopback-all System IP Active LB-VM-1 interface IP1 interface IP2 - cmg instance is managed as single S/PGW node - No added overhead to manage individual VM - No impact on existing network architecture - Load balancer (LB-VM) allows hiding internal VM topology from external network - GW instance is represented by single IP address - No impact on S1, S11, S5, Gx, Gy, S6b, RADIUS etc Router enb MME Active MG-VM-2 Standb y MG-VM-2 Active LB-VM-2 interface IP3 interface IP4 Router PCRF OCS/OFCS 12

13 Many virtualized solutions lack needed flexibility for cloud readiness Inflexible resiliency models Inflexible capacity growth and deployment models Inflexible use of DC resources Call Processing VM CP VM CP VM Ctrler VM CP VM CP VM Ctrler VM CP VM CP VM CP VM CP VM CP VM CP X TPS Y Bearers Z Sessions A GB of DP forwarding LB LB capacity CP-VM CP-VM CP-VM VM VM 1+1 Redundancy implies that 50% of the capacity is waiting for failure to occur DP and CP resources co-located, and scaled simultaneously Subscriber/device pinned to VM even when not active 13 Nokia VNFs built with N+K VMs redundancy, Stateless VMs, Shared Data Layer Inefficient Nokia Decomposed Resource Utilization VNFs Nokia Innovative Solutions Webscale VNF design based on Stateless VMs and DB VMs

14 Design innovations in Packet Core Decomposed Core v Cloud Mobile GW CP DP CP DP CP DP Centralized data center Separates control plane processing and data plane forwarding VMs Independent CP/DP scalability Flexible network deployment options Optimizes latency requirements Reduces transport cost Distributed data center 14 Confidential

15 Design innovations in Packet Core Patent pending Web scale design v Cloud Packet Core State efficient VNF design with check-pointing Multiplexing increases VM utilization Mobile GW Mobility Manager LB U-2 State CP U-4 State U-1 State CP U-3 State Check-pointing Multiplexing U-4 State U1-M1 U2-M1 U3-M1 U4-M1 U4-M2 Optimal resource utilization Flexible redundancy schemes Flexible scale out and scale in 15 Confidential

16 Design innovations in Packet Core Shared data layer v Cloud Packet Core Analytics (Data monetization...) Mobile GW Mobility Manager Sharing of data across many stateless or state efficient VNFs Stores Virtual Machine State (subscriber and session data) Simplifies VNF design Shared data layer Nokia in-memory RTDB API Data exposure Delivers deployment and resiliency flexibility Mobile GW MME Enables data analytics for monetization, network usage and failure scenarios VM VM VM VM VM VM 16 Confidential

17 Cloud Mobile Gateway (2017) Distributed Session DB(Geo-redundant ) Subscriber/PDN Session State Central data center (Region 1) CP CP CP CP CP CP N:K Redundancy Stateless VMs Central data center (Region 2) CP CP CP LB DP DP DP Subscriber/PDN session can be served by any VM, independent of location of VM LB DP DP Distributed Data Plane Edge data center Edge data center Edge data center Edge data center LB DP DP LB DP DP LB DP DP LB DP DP 17

18 SR-OS-MG for 7750 MG and Cloud MG Release plans Product Releases Available 8.0r /15 Release Information TWAG Open SSID, SSG Available 8.0r3 4/16 IMS combo S/PGW Committed 8.0r7 Committed 9.0r1 Under Study 9.0r5 10/16 3/17 9/17 TWAG Closed SSID, VMware, Separate MG-CP and MG-DP VM demo NB-IoT, epdg updates, Dynamic Experience Management GW Separate MG-CP and MG-DP VM / Statel efficient processing ready for offering (C3) limited availability (CP/DR4) general availability (C5/DR5) 18

19 MME/SGSN evolution - Cloud Mobility Manager 19 <Public>

20 MME/SGSN Evolution Bring the best of the two worlds together Flexi-NS as Physical Flexi-NS vfns VMM Upgrade path Cloud MME/SGSN Upgrade path CMM on ATCA Stateless Control Cloud DB Dynamic Cloud Operations WMM/VMM WMM

21 Advanced Cloud Native Design CMM Multi-layer architecture OAM OAM plane Network Element management (NECC) OAM, business logic, Open API and centralized functions Event Stream Processing Service (ESPS) Event broker, time series event database and event processing engine NECC (2N) ESPS MME/SGSN DB layer Cloud Database (DBS) Open database technology for high capacity database solutions DBS Transaction layer Control Plane Processing Service (CPPS) MME 4G Mobility & Session mgmt service Packet Processing Service (PAPS) SGSN 2/3G Mobility & Session mgmt service CPPS PAPS LBS/UP layer IP Director Service (IPDS) Elastic / scalable transaction load balancing, forwarding and i/f aggregation IP Packet Processing Service (IPPS) 3G User plane handling IPDS (N+1) IPPS 1) Split OAM into static management and dynamic analytics engine 2) Split Call Processing into separate MME and SGSN VMs 3) Split Call Processing into Stateless Transaction and DB layers Legend CMM common SGSN only, CMM 17.5 MME only LTE 3G 2G Core 21

22 SDL for MME Evolution towards Shared Data Layer DBS VNF OAM OAM OAM FNS Cloud 16 NECC (2N) ESPS MMDS CPPS IPDS (1+1) cmm 17 NECC (2N) ESPS Stateful DBS Stateless CPPS IPDS (1+1) PAPS IPPS N+ cmm 18 NECC (2N) ESPS Stateful DBS Stateless CPPS IPDS PAPS IPPS N+ Alternative database solutions DBaaS/ SDL LTE Core LTE Core LTE Core Geo-redundant 22 Nokia 2016

23 High Level Roadmap CMM 17 (03/2017) CMM 17.5 (07/2017) CMM 18/18.5 (03/2018) Commercial Cloud MME VNF (Openstack)) Multi-layer architecture New OAM solution Single Load Balancer x1 Commercial Triple Access SGSN/MME VNF CMM on WMvare MME on ATCA Hardware Geo-redundant Subscriber Service restoration over MME pool Appliance CMM on AirFrame SGSN/MME on ATCA Hardware Geo-redundant Subscriber Service restoration over MME pool SDL base Geo-Redundancy PoC Multiple Load Balancers x4 Performance and capacity MME Commercial Capacity System capacity 400k msg/sec SR-IOV/DPDK performance Duplex Internal LAN SGSN Commercial Capacity (20 PAPS) High Capacity 3G user plane with DPDK Capacity increase up to 1600k msg/s SGSN Capacity x2 with 40 PAPS 3GPP Feature set 3GPP Rel12 IoT featues S11-U Attach w/o PDN Extended DRX cycle (edrx) High Latency Communication (HLCom) S1U Optimization Switching of data transport between CP and UP Key Feature Parity across portfolios T6a/SCEF Bearer activation without SR Group service ID basis support of IoT capabilities Décor based network slicing 23 confidential

24 Service evolution 24 <Public>

25 Implementation of AA for TCP Optimization Cell and WAN optimized TCP Stacks Cell Optimized TCP Stack (TCPW) Sender: TCP Westwood Addresses Buffer bloating Reduces overall RTT Better handling of packet drop due to interference /error Retransmits are handled locally, without invoking server. WEB optimizer: initial CWIND =10 (default) WAN optimized TCP stack (New Reno) Advertise large RWIN. Adjust RWIN dynamically if/when buffer resources are not available/reduced. Immediate ACKing. Fast Retransmit/Fast Recovery 25

26 Hybrid access options higher reliability and more bandwidth Hybrid access enabler Single Gateway Solution MP-TCP proxy 26

27 1. Congestion notification 2. Specific Per-sub, per-app Control. 3. Congestion Relieved Notification 4. Remove per-sub, perapp, per-cell control Dynamic Experience Management Intelligent Congestion Control Improved QoE for specific subscribers and/or applications under congestion Virtual capacity gain Nokia integrated solution RAN to Core PGW/GGSN/SSG for congestion detection PCRF Location Aware Congestion Control (CC) Subscriber Aware CC Gx/Sd interface Tier sensitive Probeless Device Application performance Per-sub, per-app, per-cell site Airtime exhaustion Detailed reporting DEM Decode and remove cell location and congestion status from TCP option header CEA GGSN/PGW/SSG (with AA) Encode cell location and congestion status within TCP option header SGW 27

28 IoT Low Power Wide Area (LPWA) technologies NB-IoT (Rel. 13) emtc (LTE-M) (Rel. 13) EC-GSM (Rel. 13) 5G (targets) <15 km 164 db <10 km 156 db <15 km 164 db <12 km 160 db <30 kb/s <1 Mb/s 10 kb/s <1 Mb/s Licensed spectrum Improved coverage, ultra-low device cost, low device power consumption, support for massive number of low throughput devices, low delay sensitivity and optimised network architecture. <12km 160 db <10km 169 db <100 b/s < 50 kb/s Unlicensed spectrum 28

29 Nokia IOT Core Roadmap Signaling reduction TAU reduction for Stationary IoT devices Service-based paging LPA Long inactivity timer in GW Overload control DDN throttling for LPA UE Back-off timer for LPA GTP overload control Gx/Gy overload control Resource optimization Small data transmission Q MME CMM R S/PGW R8.0 Coverage Enhancement Paging (CAT-M) Q MME CMM R S/PGW R9.0 Diameter Routing Message Priority (DRMP) in PGW UE Power Saving Mode edrx HLCOM in MME LTE attach wo PDN con. CP CIoT EPS Opt. for IP ROHC for small IP data Non-IP PDN with SGi tun Q MME CMM R S/PGW R9.0 Switching of data transport between CP/UP Feature Candidates Q MME CMM R S/PGW R9.0 Diameter overload control APN based OLC DRMP in MME HLCOM in SGW User Plane CIoT EPS Optimizations Non-IP data via SCEF Non-IP data via Restful API Enhanced core operating model State-efficient processing with cloud DB in MME Separate CP and DP VM in S/PGW demo PCMD in MME & S/PGW Geo-Redundancy - replication of DBS record at alternate MME Separate CP and DP VM in S/PGW GA State-efficient processing with cloud database in GW DECOR 29

30 Differentiated Attributes for Mobile Packet Core Rich Feature Set Support for all Mobile Packet Gateway variants Rich set of IP networking and service capabilities Unique and differentiated functions such as Hybrid Access High Performance High Performance data plane and control plane Rich set of redundancy and failure protection mechanisms N:K; 1:1, N+ & Geo Red High Performance Integrated Capabilities such as DPI Cloud Centric Architecture Control Plane Data Plane separation for deployment flexible and low latency Web-scale State Efficient Call Processing using Shared Data Layer framework Agile operations and life cycle management based real time scale-in and scale-out 30

31 Thank you! 31 <Public>

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