Open Source Software/Hardware Decoupling Open Source Software - - PowerPoint PPT Presentation

1

“Unbundling” “Open Source” “Softwarization” “Cloudification”

• Software/Hardware Decoupling
• Unbundled Function Blocks
• Control-/User-plane Separation
• Open Source Software (OpenStack, CORD)
• Open Source Hardware (OCP, TIP)
• Open Interfaces (Fronthaul, API)
• NFV (Network Functions Virtualization)
• SDN (Software Defined Networking)
• Orchestration & Network Slicing (XaaS)
• From CAPEX model to OPEX model
• Virtualization & DevOps Environments
• Dynamic & Automated Operation

Design principles for 5G

Toward a new paradigm, All-IT Network architecture

2

Future Infra – All IT Network Architecture Today Infra Fixed Unaware Manual Fat & Monolithic Domain-Specific Scalable Cognitive Automated Lean End-to-end

Static and monolithic mobile network is no longer viable. Distinguished 5G values can be efficiently offered via new telecom infra architecture

Composable Open Mission-critical Scalable Optimized System “ATSCALE” & “COSMOS”

SKT’s approach – ATSCALE / COSMOS

ATSCALE / COSMOS White paper download

3

New Services

§ Software-defined Infrastructure § Open Hardware and Software § Universal Platform § Next-Generation OSS § Network slicing § Software-defined RAN § Software-defined Core § Ultra High Data Rate (AR/VR…) § Low Latency (Connected car, Public safety …) § Massive Connectivity (IoT)

ATSCALE / COSMOS – simple view

4

WAN End-to-end Network Orchestration

Local NFV Orchestrator Transport Infra Orchestrator

Unified-O Edge DC Central DC

Open & Programmable H/W

Resource Abstraction Layer

Open & Programmable H/W

COSMOS Virtualized Network Functions

Fronthaul

L1/L2 RF Remote Unit 4G 5G RNF ESF SDRAN CNF CSF OSF vCore

Transport Infrastructure

Transport Open H/W POTN Network Service Functions TNF

uCTN

Mobile Connectivity Functions uCTN

Service Orchestration and Exposure

Low Latency Service Immersive Media Telco Service

Virtualized Network Slice #1 #2 #N

NG-OSS

(E2E Resource Mgmt., Cognitive & Intelligent Automation)

ATSCALE / COSMOS – detailed view

Software-defined RAN Virtualized Core Unified Converged Transport Network

RNF: Radio Network Function, CNF: Core Network Function, TNF: Transport Network Function, ESF: Edge Service Function, CSF: Centralized Service Function

5

① Open Front-haul and modular RAU

• Open front-haul for flexible RAN function split
• Standard interface for RAU

② CP/UP separation through standard interface

• UP in dedicated H/W and CP in virtualized function
• Standard and open interface between UP/CP

③ Open H/W and S/W

• White-box, Bare-metal, OCP-based H/W
• OpenStack-based S/W

④ MEC

• Proximity-based Mobile Edge Services
• E2E Network Slicing incl. RAN, Transport, Core

⑤ Analytics-based SON

SDRAN Orchestration Virtualized Functions

Radio Network Functions (UP, CP, RP) Edge Service Functions Ops Supp. Functions

Virtualization Open H/W

User Plane Control Plane

Remote Access Unit (RAU)

User Plane – Lower Layer Radio Unit

Edge Cloud ① Open Front-haul ② CP/UP separation ③ Open HW/SW ④ Biz Enabling with MEC ⑤ Analytics

A key component of ATSCALE - Software-defined RAN (SDRAN)

6

End-to-end Network Orchestration

Local (DC #i) NFV Orchestrator North-Bound I/F (Service Orchestration, NG-OSS, BSS) South-Bound Interface (Local NFV Orchestrator, Transport Infra Orchestrator, PNF/VNF) Transport Infra. Orchestrator Local (DC #j) NFV Orchestrator Dynamic End-to-End Network Slice E2E Network Slice Catalog E2E Network Slice Life-Cycle Mgmt.

PNF/VNF Adaptor PNF VL VL VNF

VNFC VNFC VNFC

VL PNF VNF VNF

Local Network Slice (DC #i) Local Network Slice (DC #j)

Open API

Generic VNFM

Day-0 Configuration (Deployment)

Common VIM Generic VNFM Common VIM

NFV MANO

Service Orchestration BSS

Transport-SDN Local NS LCM NS LCM Service LCM

VM VM Container

VNF LCM Resource LCM Day-N Configuration (Service Config.) Descriptor On-board

E2E Network Slice LCM Service LCM Order LCM

NG-OSS

(Inventory Mgmt., Collection, E2E Assurance, Analytics, Controls)

Status NS LCM Status LCM Action TNaaS

LCM: Life-Cycle Management NS: N/W Service VNF: Virtual N/W Function VNFC: VNF Component VIM: Virtualized Infra Manager VL: Virtual Link PNF: Physical N/W Function DC: Datacenter MANO: Mgmt. and Orchestration

Dynamic E2E Network Slicing & its Life-Cycle Management(LCM)

7 Media IoT AI Autonomous driving Telco (LTE/5G)

Physical Resource

Service-Optimized Platform

Open Hardware

(Physical Infrastructure)

Services Open Software

(Virtual Infrastructure) Unbundled Server(CPU ) GPU Network Storage

Virtual Resource

SW-Defined Compute SW-Defined Networking SW-Defined Storage AI Compute Cloud Virtualization Layer

Data Center Operation

Automation/ Intelligence High-Speed NW Analytics

COSMOS: Composable, Open, Scalable, Mission-critical Optimized System

Open Software and Hardware for telco-grade Mission-critical services

8

ü Hybrid Resource (VM, Container, BM) ü Open Source based ü Optimized for diverse worklo ad (5G, AI, …)

COSMOS’ Open Software Architecture

SDDC(Software Defined Data Center) based on Open source

9

STK is actively engaged in diverse open source community activities in pursuit of ‘open innovation’

SK telecom’s open source community activities

10

M-CORD

SK telecom with leading service providers, AT&T and Verizon, is envisioning an open 5G platform

* Open source EPC (from Radisys), RAN L2, L3 (from Radisys), Scalable S/PGW (Intel)

Contributing Members Collaborators

11

M-CORD

M-CORD showcased innovation both for mobile network infrastructure and services at MWC `17

MME disaggregation & IoT GW Connectionless for Static IoT End-to-End Network slicing Public safety w/ Network cookie Active-testing & Analytics

INFRASTRUCTURE Services

12

ü Kubernetes based Life-Cycle management ü SONA+ONOS based Virtual Network + Ceph ü Optimization for Telco-workload

OpenStack in SK telecom

Community version OpenStack + SONA (Virtual network) + SKT Ceph (Storage)

13

TIP Project Groups 13

Telecom Infra Project (TIP)

TIP started to rethink the existing telecom infrastructure to support the unconnected people

Access Projects Backhaul Projects Core & Management Projects OpenCellular –Wireless Acce ss Platform Design Edge Computing People and Process System Integration and Site Optimization Solutions Integration Open Optical Packet Transpo rt Core Network Optimization Greenfield Telecom Networks

14

(RF) ¡BaiCells, ¡AceAxis, ¡AW2S ¡ ¡(Lab ¡ & ¡Infra) ¡Facebook ¡

TIP – 4G Unbundled Project

• Construct an end-to-end unbundled

and integrated 4G solution

• Migrate to 5G as solutions &

technology become available

• Participating members:

Resolve the technical barriers to rollout of carrier-grade services with simpler, streamlined designs b ased on open API

Lead SI SW

15

Open innovation

through Ecosystem collaboration is an accelerator in the journey to 5G