s2 2. next generation media services and technologies. na.pdfs2_2. next generation media services...

S2_2. Next Generation Media Services and Technologies

Taeyoung Na, SK Telecom, Republic of KOREA(E-mail: taeyoung.na@sk.com)

Jongmin Lee, SK Telecom, Republic of KOREA (Q7/11 Rapporteur)(E-mail: jminlee@sk.com)

Mobile Traffic Trend

Video Traffic

Daily averageT Byte

Global Mobile Live Broadcasting Traffic forecast, Cisco 2016

`16 `17 `18 `19 `20 `21

* SKT Users in Korea

□ Video Traffic□ Audio, Web, etc. Traffic

All these devices rapidly increase mobile video traffic !

Source: Mary Meeker, Internet Trends 2016

Mobile Media Service Trend

Just DVD Delivering Service

Mobile Media Market Trend

*Ref. from STRABASE (2014.12)

4.5

7.5

Cord-cutting ratio in US.

’14

$ Million

1,926 2,587 3069

41495136

6345

7801

South Korea Media Market

$ Billion

179

554

Global Online Media Market

Media Devices (%), *Ref. from StatCounter (2016.10)

’12 ’14

’14

’20

’20’15 ’16 ’17 ’18 ’19

□ Desktop

□ Smart phone / Tablets

’14

SK Media Services- Fixed IPTV (Btv) , Mobile IPTV (Oksusu) 360 VR VoD / Live, etc

8K UHD IPTV Trial (`15.10),4K IPTV Commercialization (`14.4)

AdaptiveOksusu VR Streaming Service(`16.10)

UHD Multi-View (`16.9)

Oksusu Mobile IPTVCommercialization (`17.10)

AI Voice Recognizer / Speaker 260 VR Video

SK Media Services- 360 VR Live Trial Services (4K, Real-time)

Media Service Flows

Live Player

LiveController

MediaDeliveryIndicator

StreamingOrigin/Edge

CacheOrigin/Edge

UploadController

Storage

Encoding &Meta Mgmt.

MediaProcess

Scheduleer

Cast & Upload

Mgr

Cameras

Media Files

Live Up

Streaming

File Upload File Upload VoD Pull

Live Relay

streaming

Live Relay

Streaming

MediaPlatform

API

Live Streaming

Download &

VoD Streaming

Create & Casting [Source] Encoding & Value Add [Head end] Deliver & Publish [CDN- 서초/일산/분당 IDC]

DVR &

Transcode

FileLive &

Ads. Mux

VoD PlayerControl MessageControl Message

Live 서비스

VoD서비스

Baseband

Signal (EPG)

Media Service Delivery consisted of ①Create & Casting, ②Encoding & Value Add, ③Delivery &

Publish with live and VoD types.

LiveServices

VoDServices

Media Service Functional Arch.

Orchestrator

Me

dia

P

roce

ssi

ng

Infr

a L

aye

r

Me

dia

D

eliv

ery

Infr

a L

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r

Media Services

AP

I

La

ye

r

SubscriberMgmt.

Billing &Auth.

Media Service Management API

Media Platform Open API & SDK

vCache vStreamer MLR

Media Deliver Indicator

Infrastructure Abstraction

Media ServiceApp.

Container

Resoure Alloc. App Distributer Multi Commander App Repo.

Media vInfra Management API

Policy

Flo

w M

gr.

Ops.

Tool

Sta

tist

ics

Repository Processor

Open H/W (Head End/IDC/AWS)

HDR/SRStreamSwitch/

Time Shift

360 AR/VR

Live/VoDEncode/Trans.

Smart URLIndicator

BroadcastProgramming

DRM

Analytics

One time URLgenerator

Processing PublisherSecurity & Analysis

ChattingInjector

Ads. Mgmt.& Injector

Device/RegionDetector

Value added

UpScaler

Cast Mgr

Cast URLIndicator

Upload

IPTV

OTT

MCN

Mobile TV

AV Encoder

Media Service Functional Arch.① [Media Infra Layer]

- Providing Media Delivery / Encoding / Storing functionalities based on

virtualized, cloud system

② [Media Service Layer] - Providing Media Uploading / Processing / Publishing / Security & Analysis

functionalities

③ [API Layer]

- Providing API/SDK for 3rd party B2B, B2C services and application

④ [Orchestrator]

- Providing Media Policy / Contents Flow Manage / Log Analysis

functionalities

Media Service Functional Arch. Media Delivery Infra Layer: Support s media delivery with caching, compression and

streaming functions

Main Components in Delivery Layer

- Media Delivery Indicator assigns Delivery Engine (such as vCache, vStreamer) according to proper

services

- MLR: Multicast Loss Recovery for IPTV Multicast Clients (e.g. Set-top)

- App. Container: Media Service Application is virtualized to be independently performed

(Container Image is provided)

Me

dia

D

eliv

ery

Infr

a L

aye

r

vCache vStreamer MLR

Media Deliver Indicator

Infrastructure Abstraction

Media ServiceApp.

Container

Resoure Alloc. App Distributer Multi Commander App Repo.

Media vInfra Management API

AVEncoder

Media Service Functional Arch. Media Processing Infra Layer: Supports Processing / Add Ads. / Analysis on delivered

media. In addition, Up-scaling, AR/VR, Adaptive Casting and Personalization processing

can be performed

Upload Group

- Cast Mgr.: controls and manages servers and protocols to upload media to platforms

- Up-scaler: resizing and quality control according to network condition

Processing Group

- State-of-the-art media compression techniques can be adopted for 360 AR/VR, FHD/UHD Contents

- HDR (High Dynamic Range) and SR (Super Resolution) Techniques are added (SKT)

Media Service Functional Arch.

Publisher Group

- Publishing media with various type for customers having various NEEDS

- N-Screen with Smart URL, PIP with Stream Switch, Time Shift Broadcasting

Security & Analysis Group

- Supports media encryption by DRM or access security by One-Time URL

- Supports quality monitoring functions

Value Added Group

- Ads. Insertion, user/device location management, chatting (for game or sports channel)

Media Service Functional Arch.

Media Platform Open API

- Provides OPEN API or SDK for B2B/B2C Services and 3 rd Party Application

Media Service Management API

- Provides I/F for functional extension or essential function selection

AP

I

La

ye

rMedia Service Management API

Media Platform Open API & SDK

Media Service Functional Arch. Orchestrator: Manages media service system

Policy

- Determines service use range according to payment fee (price) or company service policy

Flow Manager

- Traffic management (ex: Sports L

- For live sports channels, this manages Live Encoding vStreamer (video quality, video resolution)

Operation Tool

- Monitoring system (Web-based)

Statistics

- User preference on contents, Traffic data

This draft Recommendation describes signaling requirements and architecture for

attachment of media service entities. The scope of this draft Recommendation covers:

Q.MEA-SRA (Signaling requirement and architecture for media service entity attachment)

MDL(Media Delivery Layer)

MPL(Media Processing Layer)

MAL(Media API Layer)

MO

L(M

edia

Orc

hest

rato

r La

yer)

Media Services & Applications(B2B services and B2C services)

MP reference point

MD reference point

Media Resources(Fixed/mobile network + Cloud infra[e.g., AWS, Azure)

MR reference point

MA reference point

MIAL(Media Infra Abstraction Layer)

MI reference point

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