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IPTV Service Architecture Jay Kishigami NTT, KDDI, Hitachi, Mitsubishi Electric, Sharp, Sony, Toshiba copyright 2006 1 Contents 1 • 1 • 2 • 3 – – – – – • 4 Introduction Terminology IPTV service criteria 3.1 Relationship to broadcast services 3.2 Requisite network environment 3.3 Envisaged provider structure 3.4 Available services 3.5 Envisaged CPE environment IPTV services model – 4.1 Content delivery services • 4.1.1 Channel services, 4.1 2 VOD streaming service, 4.1.3 Content download services – 4.2 Content navigation services • 4.2.1 Remote control, 4.2.2 Portal services, 4.2.3 EPG, 4.2.4 ECG – 4.3 Basic registration and service applications • 4.3.1 Basic registration, 4.3.2 Service application (purchasing packages) • 5 IPTV Service System Model – 5.1 IPTV service server entity model • 5.1.1 CDN configuration data server, 5.1.2 PF configuration data server • 5.1.4 Metadata Server, 5.1.5 Portal server, 5.1.6 CAS/DRM server copyright 2006 2 Contents 2 • 5.1.7 Content server (VOD streaming), 5.1.8 Content server (download), 5.1.9 IP broadcast service transmission server – 5.2 Distribution network model – 5.3 Home network model – 5.4 CPE model • 5.4.2 CPE with integrated data storage – 5.5 Content and other data elements • 5.5.1 Content, 5.5.2 Other data elements • 6 Outline of the Basic Requirements for Technologies Behind IPTV Services – 6.1 IP network • 6.1.1 Network settings, 6.1.2 Network connections – 6.2 Configuration data and service entry • 6.2.1 CDN and PF configuration data, 6.2.2 Service entry – 6.3Content format and transmission format • 6.3.1 Data encoding, 6.3.2 Streaming transmission and reception • 6.3.3 IP broadcast services, 6.3.4 VOD streaming service content – 6.4 Browser and multimedia encoding • 6.4.1 Multimedia encoding, 6.4.2 Browser communication functions – 6.5 Authentication – 6.6 Metadata and ECG • 7 Related documents copyright 2006 3 Network Environment Other IP Network CDN Server System Terminal Access Network Terminal Home Network copyright 2006 4 Provider Structure CDN Provider Platform Provider Platform Provider Service Provider copyright 2006 5 Available Services • Content delivery services: – IP broadcast services – VOD streaming services – Content download services • Content navigation services: – Portal services – Metadata delivery copyright 2006 6 CPE environment • Receive-and-play CPE • Storage-type CPE • Criteria for the maintenance of household IPTV CPE equipment • Maintenance of high-speed connection to CDN • CPEs compatible with IPTV services • Inclusion of CAS/DRM functions copyright 2006 7 IPTV services model • Content delivery services – Channel services – VOD streaming service – Content download services • Content navigation services – – – – Remote control Portal services EPG ECG • Listing and purchasing packages • Content listing and playback copyright 2006 8 Basic registration and service applications • Basic registration • Service application (purchasing packages) – – – – Single product Multi-product package Selection package (subject to subscription limits) Unrestricted access (no subscription limit) copyright 2006 9 IPTV service server entity model CDN Structure Information CDN Structure Info Server PF Structure Information PF Structure Info Server Metadata Metadata Server License Terminal Platform Provider CAS/DRM Server Backend Server Interactive Page CDN Portal Server Content Server VOD Streaming (VOD Streaming) Download Content Content Server (Download) IPTV Service Stream Service Provider IP Broadcasting (Streaming Server) Access Network copyright 2006 10 Playback-only CPE configuration model Satellite/Terrestrial Broadcast Receiver Broadcast Broadcast Demax Streaming FEC RTP UDP AV Decoder Decrypter AV Output RTSP HTTP/TLS TCP IGMP/MLD IP Physical Data link Broadband Broadband Buffering Communication Process Storage Device Content Access Control Browser copyright 2006 11 Content and other data elements • Content – IP broadcast service stream – VOD service content – Download content • Other data elements – CDN and PF configuration data – Metadata – Licenses copyright 2006 12