5G MEC: SK Telecom’s Status and Plan

Kang-Won Lee, Ph.D. Vice President, 5GX Cloud Labs

2020 SKT’s MEC is Mobile Edge Cloud

Cloud computing environment near 5G users Designed for ultra-wideband, ultra-low latency and privacy-sensitive services

AI Game Learning Game Bigdata DB Analytics Public Public Cloud Cloud

Self AR/VR Driving MEC Computing at Edge Managed

Internet Best Effort Best Effort

Long Distance Long Maximize 5G Performance Ultra-wideband, Ultra-low latency MEC Managed Security Data locality 5G MEC Managed 5G Edge API, Edge PaaS AR/VR Self-driving Game Network assurance, Distance* Short 5G 5G location, identity, 5G 5G mobility Edge as the Key Component of the Cloud

As edge becomes critical territory, CSPs work with telcos to meet new demands

SKT Network IDC or Public Cloud

Guaranteed Network Metadata - Security performance Mobility - Private N/W - Latency, - N/W states - Quantum crypt. - B/W Latency

MEC MEC MEC MEC

Ent. GW 5G GW 5G GW Public Cloud

Location SMB sites LE sites ~ 100km ~ 500km

1) N/W Latency ~8.0ms (1.0ms) 10~15ms (3~7ms) > 30~100ms eMBB (URLLC)

5G + MEC + B2B Solution 5G Edge Cloud Business Smart Factory/Office (10ms, 40ms) VR/AR Game & Media (<20ms) Go to Edge Opportunities Automotive & Robotics (3ms, 10~30ms) MEC Deployment Models

Public Edge On-site Edge “Provides nationwide MEC services to 5G users” “Provides private MEC services to enterprise users”

Seoul Public Cloud Public Cloud Private 5G Public 5G Edge Cloud Edge Cloud Daejeon Daejeon

Busan On-Site Busan

Gwangju Gwangju Edge Cloud

Public Edge On-site Edge

§ Realistic Content (AR/VR) Service Collaboration with global CSPs § Smart Factory - Self-driving robot, § Massive/Live Video Streaming, video analysis mCDN § Self-driving (drone, V2X) § Smart Office/Branch - AR/VR + Training QoS 5G, AI, Data Security Massive computing & storage SKT MEC Differentiations

SKT’s MEC can provide unique values to the cloud users

Edge Infrastructure Public Cloud Integration Specialized Service at Edge Global Collaboration

MEC Platform Provides public cloud Expose SKT’s tech assets Collaboration with other Management and Biz services and telco APIs operators and ecosystem Console

SKT + AWS + Azure + … customer Office MEC Tech. ❶ Federated Edge ❷ Edge Cloud Factory Asset Shared edge infra Global MEC market place Internet 1 11 4 5G MEC global platform SKT MEC Service AI/ML Customer Streaming Aggregators Game 9 AR/VR/XR Dist. Edge 2 Tech Assets Office 5 Smart 3 Cloud Robot AI, Data, + + + retail Factory AR/VR, AWS Azure

MEC 6 Mobility, GW GCP Google 7 10 Blockchain Blockchain Smart OEMs / TEMs Edge factory

Office SKT 5G MEC P/F Telco API Factory MEC end-to-end solutions 3rd party Base MEC SKT 5G Infra 8 Station service ❸ Edge Infra Solution SKT MEC SKT Status MEC Developed: (1) advanced 5G edge infra, (2) biz platform, (3) e2e MEC orchestrator, and (4) and(4) e2eorchestrator, MEC (3) platform, biz (2) advancededge Developed:infra, (1) 5G 5G UE 5G DUL RU 5G DUH DU 5G 4G DU DU 5G 5G DU DU 5G 5G interface with other telcos and CSPs 3 Enterprise Customers Enterprise Providing Business Business Providing Environment for for Environment EPC CU 5G IMS MEC 5GeGW (B2C) UPF 5G 5G Distributed MEC Site (Edge/Central Office) - GW PCC

CG-NAT 2 1 Resource Providing Compute Providing Discovering Biz. Biz. Discovering MEC Stack and and Stack MEC Opportunities Productizing Productizing and Storage Storage in 5G in N/W 4 Collaboration with Open Ecosystem Open

Telco Data Operator Other Public Cloud Public Cloud Integration Tech Asset Tech AI/ML Platform

AR/VR/XR Cloud Robot

Blockchain SKT MEC Architecture

MEC Director & Biz. Console 3rd Party PaaS Interconnection MANO / OSS / BSS 6 Portal, Hybrid MEC Mgmt., UE LCM Proxy

MEP Manager 4 5 SVC Host Mgmt., Platform Mgmt., App Mgmt. Registry

Machine VMI Cloud ETSI SVC Vision B4 Gaming SVC RNIS, ID, LOC, BWM Offloading RuleOffloading C2 C3 Gateway A2 B2 Assurance SVC OS OS B3 Discovery, Verification SVC A&A, LB, C1 Mobility SVC B1 A1 Reverse Proxy OS 5G Rating Security SVC DU/CU MEC Routing Function 5G 3 GW Protocol Stack (S1/SGi/IP), Traffic Steering, LB, Rating, DNS, NAT

2 EdgeStack

Bare-metal Virtualization Layer (VM, Container) Virtual Resources 1

GW Computing AI, GPU Security Industry PC COTS IT H/W Edge Add-ons Physical Resources Other SKT MEC Platform MEC SKT EdgeStack

Enables MEC stack to support cloud native MEC applications Consists of Edgetron and Singulus network stack

Provides Managed Kubernetes* for MEC Provides high performance N/W stack 1 2 • Various on-prem Kubernetes solutions • Minimizes the network performance*** are available from multi-cloud vendors** degradation of Kubernetes on VM (KoV) • Each vendor uses their own proprietary • Lack of supports on high performance way to manage Kubernetes cluster Kubernetes network stack

Abstracts the Kubernetes Cluster LCM; Simplifies KoV network stack à provides ETSI MEC compliant interface maximizes overall network performance Edgetron Singulus Network Stack EdgeStack *) the majority of Cloud Service Providers (CSP) provide Managed Kubernetes service through Kubernetes on VM (KoV) **) ① vanilla Kubernetes on KVM, ② Tanzu on vSphere, ③ OpenShift on OpenStack ***) 60 ~ 90% network performance degradation compared to Kubernetes on Bare-Metal EdgeStack

Provides multi-vendor cloud native software stack optimized for edge Compatible with ETSI, ONF, CNCF and OIF standard APIs

MEC App MEC App MEC App MEC App MEC App MEC App

Container Platform

Infrastructure CNI CNCF Virtualization Compute Storage Network

Vendor Proprietary API ONF OpenFlow CNCF Helm CNCF MEC Orchestrator (MEO) Orchestrator MEC Cluster-API-Providers Singulus SONA-CNI Network Stack SONA Neutron API Neutron

CNCF Cluster API OIF ETSI MM3 Edgetron

Cluster API Actuator Network Service Repo

MM3 API Interpreter MEC App Deployer

EdgeStack Edgetron

Cloud native resource management for multi-cloud edges Abstracts provider-specific cluster LCM mechanisms using CNCF’s cluster API

MM3 for VM MEC Platform MM5 MEC MEC Orchestrator Manager Platform MM3 for Kubernetes ETSI Standard API Edgetron CNCF Standard API Cluster API

Vanilla Vanilla Tanzu EKS AKS GKE K8S K8S

KVM OpenStack vSphere AWS EC2 Azure VM GCP

SK Telecom OpenStack Community VMWare Amazon Microsoft Google

…

Kubernetes Cluster 1 Kubernetes Cluster 2 Kubernetes Cluster 3 Kubernetes Cluster 4 Kubernetes Cluster 5 Kubernetes Clusters Singulus Network Stack

SDN-based optimized network stack for managed Kubernetes Unifies VM and container network stacks to maximize network performance

MEC Platform Singulus Network Stack MEC Platform Manager (MEPM) (MEP) SONA SONA-CNI

Isolated virtual resource for each MEC service VM VM VM Singulus Network Stack Performance

Offloads the entire Kubernetes network stack from VM to host’s vSwitch Passthrough VM network stack, attaches vSwitch port directly to the container

Calico POD POD

Kubernetes tunneling Kubernetes N/W N/W

VM N/W Additional VM N/W Stack N/W overhead Stack VM VM Overlay vSwitch SDN Host

POD POD

VM N/W passthrough VM N/W Stack VM N/W stack Stack (SONA-PT-CNI) 6 times throughput improvements VM VM

Singulus Kubernetes N/W N/W Stack vSwitch Host MEC Business Cases

Cloud VR Massively Interactive AR Online Education Smart City

SKT 5G MEC Service

Smart Factory Digital Government Smart Robot Smart Hospital 5GX MEC Machine Vision

Using 5G MEC & and Machine Vision to detect product defect

5G X AI X MEC Ultra reliable and low latency Artificial Intelligence Mobile Edge Computing 5GX MEC Machine Vision (Illustrative) Changdeok ARirang The World First B2C MEC Service Using 5G MEC & and AR to improve the visitors experience of palaces with many physical barriers

Haechi, the symbol of Changdeokgung, a UNESCO heritage, becomes an AR ... docent and guides the various places of 5G MEC X the palace through a navigation function

AR Navigation AR Theater AR Gaming Changdeok ARirang (Demo) MEC Operation & App Life Cycle Management

E2E MEC Dashboard Platform Component Monitoring

Edge Application On-board Edge Application Life-cycle Mgmt. (App metadata, service-type, computing information) Global MEC Ecosystem

Public Clouds 5G Edge Cloud New Biz. Creation

Global Business Collaboration & Global Operator Alliance, Federation Standardization MEC & Global GTM

IT Vendor / TEM Partner MEC Solution Productization Industry, Public Service, Startup

“Global collaboration”

New Service Shared Infra. Mutual Growth (Innovative Services (Service/Product/Biz.) (Startup Program) and Product) 5G MEC: SK Telecom’s Status and Plan Kang-Won Lee

Thank You!

5G World Awards The Edge Awards 5G Asia Award CommunicAsia World Communication (‘19.6) (‘19.9) (‘19.9) Award (‘20.10) Award (‘20.10) Best Edge Computing The Best Operator Award Most Innovative 5G Most Significant The Cloud Native Technology for Edge Computing Trial, Contribution to Award Development Best Network Edge Computing Virtualization

2020