S2 2. Next Generation Media Services and Technologies. Na.pdfS2_2. Next Generation Media Services...
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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])
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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 !
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Source: Mary Meeker, Internet Trends 2016
Mobile Media Service Trend
Just DVD Delivering Service
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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
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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
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SK Media Services- 360 VR Live Trial Services (4K, Real-time)
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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
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Media Service Functional Arch.
Orchestrator
Me
dia
P
roce
ssi
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Infr
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aye
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Me
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Infr
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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
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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
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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
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eliv
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Infr
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vCache vStreamer MLR
Media Deliver Indicator
Infrastructure Abstraction
Media ServiceApp.
Container
Resoure Alloc. App Distributer Multi Commander App Repo.
Media vInfra Management API
AVEncoder
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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)
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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)
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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
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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
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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
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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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