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IPTV D fi iti
IPTV is defined as multimedia services
IPTV Definitions
IPTV is defined as multimedia servicessuch as television/video/ audio/text/graphics/data delivered over IP based networks managed to provide the required level of QoS/QoEbased networks managed to provide the required level of QoS/QoE, security, interactivity and reliability.
S i V l Ch iServices Value ChainFilFilms
(Hollywood,Independent,International)
Aggregators(TVN, ViewNow,
HITS, NCTC)
EPG/ServiceSelection
Protected
On Demand(HBO, Gotuit,
Mag Rack)
ProtectedLinear Channel
UnprotectedLinear Channel
LinearNetwork
(ESPN, MTV,
ServiceProvider
SubscriberProtected
On Demand
UnprotectedO D d
Link Protected
HBO, etc.)
Games(Viseware, ICT)
On Demand
Games
Other
Link Protected
OtherContent
OtherContent
AdAgencies
N t k V l Ch iNetwork Value Chain
VODSTBAccess
Mux/Ports
VODCacheVOD
LibraryVideoHead
SatelliteDishes STB
Access
HeadEnd
Dishes
IP/EthernetTransport
STB
STBFull System
Mux/Ports
Transport Network
Data NetworkI i
STB
STB
yIntegration
AccessMux/Ports
Middleware
ServiceAssurance
OSS/BSS
Integration STB
STBCP/
DRM
S l t d K I f IPTV M k t 1Selected Key Issues for IPTV Market - 1Video On Demand
Usage will grow significantly with NPVRWill drive network architecture
Home NetworkCritical path of the serviceMust manage the home networkCost vs. functionality dilemmay
ContentOffer more channels than cableEqual or better video on demand contentqCan create unique offerings – but not easy
Internet VideoEmerging as an important serviceg g p
iPOD downloads, Direct view services by cable and Internet companiesConfusion factor
Is IPTV the same as Napster ?
S l t d K I f IPTV M k t 2Selected Key Issues for IPTV Market - 2BillingBilling
IP TV Billing is Simple – TodayBroadcast: fixed monthly charge
l f i hVOD: a couple of transactions per monthBut new services may change this
Transactions: Video/audio downloads, Mobile like servicesTV commerce: Payment system
System MonitoringS bscriber beha iorSubscriber behavior
Channel usage, Channel changingEPG/VOD Menu operation
Network operationCongestion in transport and home networksTransaction loading in middleware and content protection/DRM systems
S l t d K I f IPTV M k t 3Selected Key Issues for IPTV Market - 3Content Usage BehaviorContent Usage Behavior
Track channel change to the secondTrack VOD viewing patternsNear real time tracking possiblePotentially high value to content owners
Test marketing campaignsTest marketing campaignsFine grained demographicsTrack market shiftsPCCW and Neuf Telecom are providing tracking information to contentPCCW and Neuf Telecom are providing tracking information to content owners today
IP TV제공서비스 C t서비스 세부내용
IP-TV 제공서비스 Category
T-Communication
SMS(단문메시지) : TV 및핸드폰으로의문자전송,확인등
TV 메신저 : TV,PC,Mobile을연계한메시징서비스
T-Mail : TV를통한이메일확인및발송서비스
영상전화 : TV를통한영상전화및회의서비스
T Interactive
생활정보 : 날씨, 교통, 뉴스, 영화/연극정보, 요리정보
Game : TV를통한다양한보드게임및 Network 게임제공T-Interactive
참여형서비스 : TV 설문, TV 퀴즈, 노래방,예약예매서비스
e-Learning : TV 양방향원격교육으로수능및자격증교육
양방향광고(i-AD) : TV 배너, DAL, PIP 광고등
T-Commerce쇼핑 : TV Mall, 공동구매, 경매, 벼룩시장및채널연계쇼핑
T-Banking : 계좌조회/확인, 계좌이체등거래/ 결제서비스
증권서비스 : 주식시세정보 , 주식거래서비스
TV-VODVideo On Demand : 다양한장르동영상을 VCR 처럼제공
SVOD : 영화, 교육등동영상의패키지형태제공
T-ChannelDigital 영상채널 : SD,HD급의다양한 Digital 채널의실시간제공
T ChannelDigital Audio 채널 :5.1 채널품질의다양한오디오채널서비스
IPTV A hit t l O iIPTV Architectural OverviewManagement
FunctionsApplication FunctionsEnd-User
FunctionsContentProviderApplication Profile FunctionsFunctions Provider
FunctionsApplication Profile Functional Block
ContentPreparationFunctions
Application Management
Functional BlockTransaction
ProtocolApplicationClient Functions
IPTV ApplicationFunctions
Content & MetadataContent & MetadataSources
Content Delivery FunctionsService Control FunctionsIPTV
Terminal
Service ControlManagement
Functional Block
SCP FunctionsSCP Client Functions
Functions
Content Delivery & Storage Functions
Content Delivery Client Functions
Content DeliveryManagement
Functional Block
Content Distribution & Location Control
Functions
Delivery Protocols
Service UserProfile
Functional Block
Control ClientFunctional Block
IPTV ServiceControl Functional
Block
End-User Device Management
Functional Block
HomeNetwork
FunctionsNetwork Functions
Core TransportFunctions
Access NetworkFunctions
Delivery NetworkGateway
Functional Block
Authentication &Configuration Protocol
Resource ControlFunctional Block
Authentication &IP Allocation
Functional BlockTransport
ManagementFunctional Block
EdgeFunctions
Functional Block
C t t D li F ti l A hit tContent Delivery Functional Architecture Application Functions
ContentPreparationT ti P t lApplication IPTV Application M t d t
Content Delivery FunctionsService Control FunctionsIPTV Terminal
Functions
Preparation Functions
Transaction ProtocolppClient Functions
ppFunctions Metadata
Control
Content Distribution & Location Control Functions
Distribution Control Location Control Control Client
Media
Content Delivery & Storage Functions
Service User ProfileFunctional Block
Functional BlockFunctional block
ControlProtocol
Cache/Storage Functional Block
Distribution Functional Block
Content Delivery Control Functional Block
Control Client Functional Block
Content DeliveryCli t F ti
IPTV Service Control Functional
Block
Multicast Delivery Functional Block
Functional Block BlockClient Functions
Unicast Content Delivery Client
Functional Block
Error Recovery Client
Functional Block
Content Delivery Error Recovery
Functional Block
Unicast DeliveryFunctional Block
HomeNet ork A th ti ti & R C t lAuthentication &
Multicast Content Delivery Client
Functional Block Unicast Delivery Control Protocol
Multicast Delivery Control ProtocolMulticastControl
MulticastPathUnicast Path
Error Recovery Control Protocol
Network Functions
Network FunctionsAccess Network
Functions
Delivery Network
Authentication &Configuration Protocol
Edge Functions Core TransportFunctions
Resource ControlFunctional BlockIP Allocation
Functional Block
[email protected] 15End-UserFunctions
Delivery NetworkGateway
Functional BlockMulticast
Transport Functions
Unicast Transport Functions
Multicast Control Point Functional Block
Multicast Replication Functional Block
IMS b d IPTV S iIMS based IPTV Service Calling PartyCalling Party
PremisesPremises
g yg yHome NetworkHome Network
HSSHSS
SIP
ASASASAS
SS CSCFCSCF
Video MiddlewareVideo MiddlewareApplicationsApplications
II CSCFCSCF2
3
2
Access NetworkAccess Network
PremisesPremises
DataDataServersServers
•Radius•DHCP, DNS, ENUM•Admin•Etc
HSSHSS
SIP
SS--CSCFCSCF
PP--CSCFCSCF
II--CSCFCSCF 1
Core Network(MPLS)
A ti
STB
•Etc.
RACSRACS
PP-CSCFCSCF
Managed IMS
Internet
Video Head EndVideo Head End• Encoders• Middleware Servers• VoD Servers
AggregationNetwork
STBRG
DSLAM
Internet
1. SIP INVITE arrives from a visited Network to the terminating callers S-CSCF
2. S-CSCF uses filter criteria to forward
3. Middleware Server decodes INVITE to determine Calling/Called numbers for delivery to STB
INVITE to Video Middleware Server
IPTV F G 결과문서 1IPTV Focus Group 결과문서 - 1WG D t b TitlWG Document number Title
1 FG IPTV-DOC-0147 IPTV services requirements1 FG IPTV-DOC-0181 IPTV architecture1 FG IPTV-DOC-0182 Service scenarios for IPTV1 FG-IPTV-DOC-0183 Gap analysis2 FG IPTV-DOC-0184 Quality of experience requirements for IPTV2 FG IPTV-DOC-0185 Traffic management mechanism for the support of IPTV services2 FG IPTV-DOC-0186 Application layer reliability error recovery mechanisms for IPTVApplication layer reliability error recovery mechanisms for IPTV2 FG IPTV-DOC-0187 Performance monitoring for IPTV3 FG IPTV-DOC-0188 IPTV security aspects4 FG IPTV-DOC-0189 IPTV network control aspects4 FG IPTV-DOC-0190 IPTV multicast frameworks4 FG IPTV DOC 0191 IPTV related protocols
4 FG IPTV-DOC-0191 IPTV related protocols
21
IPTV F G 결과문서 2IPTV Focus Group 결과문서 - 2
WG Document number Title
5 FG IPTV-DOC-0192 Aspects of IPTV end system – terminal device
A f h k i IPTV i5 FG IPTV-DOC-0193 Aspects of home network supporting IPTV services
6 FG IPTV-DOC-0194 IPTV Middleware, Applications, and Content Platforms
T lb f C C di6 FG IPTV-DOC-0195 Toolbox for Content Coding
6 FG IPTV-DOC-0196 IPTV Middleware
IPTV M d6 FG IPTV-DOC-0197 IPTV Metadata
6 FG IPTV-DOC-0198 Standards for IPTV Multimedia Application Platforms
IPTV b l fPL FG IPTV-DOC-0199 IPTV vocabulary of terms
WG 1 (A hit t d R i t )작업결과WG 1 (Architecture and Requirements) 작업결과
주요작업결과주요작업결과ATIS기반망구조와 DVB기반응용플랫폼을중심으로가능한모든요구사항포함
서비스시나리오나비즈니스모델과무관하게기능측면에서모든서비스시나리오나비즈니스모델과무관하게기능측면에서모든IPTV 서비스요구사항을포함규제측면에서지나치게많은요구사항을포함
주로통신망을보유한서비스사업자를중심으로도출주로통신망을보유한서비스사업자를중심으로도출
마켓요구사항이나기술적인실현가능성을고려하지않음.향후작업방향향후작업방향
ITU-T SG13을중심으로개선작업시작예정Q.2/13 요구사항, Q.3/13 망구조, Q.8/13 서비스시나리오간의 Alignment 필요
기존망진화구조및비즈니스모델에따라기존망진화구조및비즈니스모델에따라
시장수요를반영한실현가능한서비스시나리오부터
단계적으로구분하여요구사항,망구조및시나리오정리가필요
WG 2 (Q S d P f )작업결과WG 2 (QoS and Performance) 작업결과
주요작업결과주요작업결과트래픽제어, QoS/QoE, 성능모니터링및응용계층품질안정성(AL-FEC) 측면에상당히안정된표준완성그러나 AL FEC는망의품질이나쁠때를대비하나기존 PC나 IP그러나 AL-FEC는망의품질이나쁠때를대비하나기존 PC나 IP 단말기는사용하기어려움. 또한, 비디오 QoE 측정을위한모듈탑재비용이부담
향후작업방향많은추가작업이없이대부분권고안으로승인가능
AL FEC는옵션형태로적용가능 그러나특허권문제가있음AL-FEC는옵션형태로적용가능,그러나특허권문제가있음가변적인망상황을고려하여비디오품질을개선방안이필요
AL-FEC를포함하여부가적인신호절차없이다양한비디오코딩방식을수용하기위한체계가필요수용하기위한체계가필요
접속구간별서비스품질에대한 Demarcation point에대한추가작업이필요
WG 3(Service Security and Contents Protection)WG 3(Service Security and Contents Protection) 작업결과
주요작업결과주요작업결과권고안보다는 TM 성격이강함.IPTV관련네트워크 컨텐츠IPTV 관련네트워크, 컨텐츠, 서비스및단말보안등모든보안구조와방식을포함
향후작업방향응용서비스시나리오및단말응용에대한선택적단말응용에대한선택적적용이필요
계층별및관리도메인별보안기능의중복방지보안기능의중복방지
NGN 보안과일치성여부보안특허에처리방안
WG 4 (IPTV N t k C t l)작업결과WG 4 (IPTV Network Control) 작업결과
주요작업결과주요작업결과아직주요기능항목및주요프로토콜이진행중
현재가용한네트워크제어및멀티캐스트방식을기술함.향후작업방향상이한망및컨텐츠/응용형태에따른접속규격및프로토콜이필요필요
망구조및시나리오별제어프로토콜이정확히일치하지않음망기능구조및프로토콜측면에추가적인작업이필요
컨텐츠제어및망운영제어측면에아직미완성컨텐츠제어및망운영제어측면에아직미완성특히, 망구조및서비스시나리오에따라망제어능력이상이
WG 5 (E d S t d I t bilit )작업결과WG 5 (End Systems and Interoperability)작업결과
주요작업결과주요작업결과IPTV STB 및홈네트워크환경을고려한모든인터페이스에대한관련프로토콜을정리
PVR을중심으로가능한서비스시나리오를지원하는기능정의PVR을중심으로가능한서비스시나리오를지원하는기능정의향후작업방향망기능구조 서비스시나리오및미들웨어와정합이필요망기능구조, 서비스시나리오및미들웨어와정합이필요이종인터페이스규격에대한상호호환성유지방안이필요
서비스유형별단말처리및저장능력에따른고정및휴대환경을고려해야!고려해야!
WG 6 (Middleware, Application and Content Platforms)WG 6 (Middleware, Application and Content Platforms) 작업결과
주요작업결과주요작업결과권고안보다는관련구현기술을수집정리한 TM 성격이강함메타데이터는포맷보다는작성형식에치중
다양한코딩방식과응용플랫폼을동시에규정
향후작업방향컨텐츠검색및분배를위한체계가미확립컨텐츠검색및분배를위한체계가미확립
망기능구조및단말규격과명확히정렬되지않음.다양한 De facto 플랫폼의수용이주요현안사항임.
IPTV의의미 1IPTV의의미 - 1산업및비즈니스측면산업및비즈니스측면정보처리및웹서비스산업: 멀티미디어비즈니스의시작점홈네트워크및가전산업: 가정용 AV 기기와결합컴퓨터산업: Distributed Processing, Storaging, 및 Computing 도입의료및바이오산업: 원격의료장치에 Visual 정보의활용교육및관광산업: Visual 정보의실시간활용GPS/Telematics/GIS/RFID 산업: Ubiquitous 비즈니스시작
IPTV 산업 ? 멀티미디어 IT 산업Business및 Ubiquitous Networking Infra로 !
IPTV의의미 2IPTV의의미 - 2정보통신산업구조재편측면정보통신산업구조재편측면
Content Provider 및 Service Provider 역할정립
<참조> Information Value Chain
ServiceService InformationInformationInformationEnd User ServiceProvider
ServiceBroker
InformationSources
InformationProvider
InformationBroker
Information FlowsInformation Flows
Financial FlowsFinancial Flows
IPTV의의미 3IPTV의의미 - 3네트워크및시스템구축측면네트워크및시스템구축측면
BcN의 Killer ApplicationsTelco 시스템 (Softswitch, GGSN/SGSN) + 방송시스템 (HE)+ Web ( , ) ( )시스템 (서버)의통합
( , , p )Ubiquitous Applications Network
(Consumer Electronics, Vehicle, Computer)
Internet
Digital Home Network
Broadband ConvergedNetwork
전화, Fax, ISDN, PSDN, LAN/MAN
Broadcast, Cable TV
Wireless Radio Satellite
Ne wo(BcN)
InternetTelecom BcN
Wireless, Radio, Satellite
EngineeringEngineering Engineering
IPTV의의미 4IPTV의의미 - 4단말시스템측면단말시스템측면
Telco 측면: 멀티미디어및휴대형영상전화단말홈네트워크측면: Home Gateway System 또는 STBy y가전측면: Networked AV Devices컴퓨터측면: Networked PC/PDA/Server 또는 Storage게임측면: Networked Game Box
기술적측면네트워크기술 방송기술 정보처리기술 가전기술의통합네트워크기술+방송기술+정보처리기술+가전기술의통합QoS, Security 및Mobility 기술기반비즈니스가능성시험무대미래의 IT기반 BT NT CT등 Convergence Technology개발의미래의 IT 기반 BT, NT, CT 등 Convergence Technology 개발의시작점
IPTV의의미 5IPTV의의미– 5기술적측면 (계속)
Control
기술적측면 (계속)방송채널및컨텐트의선택, 검색및분배방식의혁신이필요
Service OperationContent Provision→ 채널, 번호, 네임, 키워드, 코드및웹어드레스기반
Cache/Storage
Con
tent
Stre
am Content Control Cmd./Content Location Info.10,000 개이상실시간방송
채널의선택
단일채널/컨텐트 1백만이상
Content Delivery
StreamingDistribution
Con
tent
Stre
am
Play
Con
trol
단일채널/컨텐트 1 백만이상동시접근
1 억개이상의 AV Device 접속y P
End System
10 억개이상멀티미디어컨텐트의저장및검색
IPTV비즈니스의미래IPTV 비즈니스의미래방송및컨텐트의지리적/지역적제약극복방송및컨텐트의지리적/지역적제약극복국내방송및컨텐트의세계시장진출용이
IP 망으로인해세계진출장애가거의없음세계시장을바로겨냥해서컨텐트제작을해야!
국외방송및컨텐트의국내시장진입이용이
국외방송및컨텐트의무차별적인국내가정침투가능국외방송및컨텐트의무차별적인국내가정침투가능
기존전화및인터넷서비스의흡수PSTN전화및 2G/3G휴대전화서비스의흡수PSTN 전화및 2G/3G 휴대전화서비스의흡수기존인터넷은 Real-time multimedia 인터넷으로 upgrade
BcN 기반멀티미디어비즈니스의교두보기 멀티미디어비 니 의 두Location, Presence, 및Mobile기반신규비즈니스진입창구RFID 및 Ubiquitous networking을위한 corner stone 역할
IPTV단말의미래IPTV 단말의미래
Networked가전시대의도래Networked 가전시대의도래모든가전장비는네트워크에 Plug-in 되어야 !주로Wireless형태로!주로Wireless 형태로!
다양한 IPTV 단말형태출시예상IPTV STB는케이블 STB xDSL/PON STB를포함한초경량IPTV STB는케이블 STB, xDSL/PON STB를포함한초경량저가형에서부터고가의 Home Gateway 시스템까지!Mobile IPTV 단말기는저가휴대폰형태에서 5 인치 HD 급스크린을갖는 형태까지다양화스크린을갖는 PDA 형태까지다양화!DMB 단말기는 Hybrid 형태로존속
IPTV응용서비스및플랫폼의미래IPTV 응용서비스및플랫폼의미래차세대미들웨어플랫폼의각축장차세대미들웨어플랫폼의각축장
유,무선네트워크기반: OSA/Parlay, SIP/IMS, OMAWeb 기반: W3C, XML, JavaAudio/Video및방송기반: MPEG OCAP ACAP DVBAudio/Video 및방송기반: MPEG, OCAP, ACAP, DVBHome network 기반: OSGi, UPnP
OSA/Parlay/ OMASIP/IMSOSA/Parlay/Parlay-X
OMA
W3C
SIP/IMS
DVBRemote Configurable
IPTV MiddlewarePlatformsXML ACAP
OCAPUPnPOSGi
Java
MPEG
OSGi
