S2_2. Next Generation Media Services and Technologies
Taeyoung Na, SK Telecom, Republic of KOREA(E-mail: [email protected])
Jongmin Lee, SK Telecom, Republic of KOREA (Q7/11 Rapporteur)(E-mail: [email protected])
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
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r
Me
dia
D
eliv
ery
Infr
a L
aye
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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