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iTVP Platform: delivering interactive TV services over IP networks
Miroslaw Czyrnek
iTVP Platform motivations
• Create environment for interactive TV over IP
• Deliver high quality multimedia content to large number of users
• Provide value-added services
• Enable seamless content protection and control
• Assure content security and high availability of the service
• Enable content providers to serve the content and provide them with tools for digital content management
• Support users in searching the content and access the repositories
• Enhance education through dedicated applications
System components
iTVP Platform features
• interfaces for many content providers
• interfaces for many interactive portals
• multiple access channels (PC, PocketPC, SetTopBox, …)
• interactive player for enhanced content
• authentication, authorisation and accounting
• digital rights management
• support for interactive applications
• content lifecycle management
• metadata based on MPEG-7
• proprietary optional MPEG-4 AVC codecs
• WindowsMedia and RealMedia now supported
• 750 kb/s - 1,5 Mb/s streams
Content Provider System
• Content management & storage (MPEG2, MPEG-4 WM,
RealMedia, iTVP MPEG4 AVC codecs)
• Workflow
• Content description
• Multistep content verification (technical, legal,
publication)
• Content encoding
• Content encryption (DRM)
• Licence specification
• Distribution control
• Offer management and publication
Content Delivery System• two-level hierarchical efficient
content delivery:• Regional Data Centers• proxy/cache servers
• scalable and reliable system architecture
• many content distribution scenarios (VOD, NVOD, live, …)
• open for any streaming technology (currently WindowsMedia and RealMedia supported)
Content Delivery System features
• optimized request routing and load-balancing
• user access policy control:
• dedicated high quality transmission for users serviced by the
last-mile operators connected to the platform
• public webcasts
• content invalidation through platform metadata managed by the
content providers
• buffering for timeshifted access to the live stream at the proxy/cache
• secured access control to the platform services
• continuous monitoring and reporting
Licence Management System
• Multiple licencing scenarios supported:• Pay-per-view• Period controled• Time controled• Silent mode – content usage monitoring
• Optional payment methods:• Credit card• Promotional codes• SMS
• Integration with portals – SingleSignOn enabled
Interactive user services• Multiple devices support
• PC• SetTopBox• PocketPC
• Platform services• Live and timeshifted live• VOD• nVOD• (network) Personal Video Recording• Electronic Programme Guide• Context driven commercials support• Metadata search• ...
Project partners
The project supported by the grant 6 T11 067 2001 C-5677 of Polish State Committee for Scientific Research
The protype• Content providers:
– TVP S.A. (and local )– Polish Radio and other radio stations– ...
• Content Delivery System:– 1 Gb/s dedicated links among RDC in PIONIER network– 30 proxy/cache servers connected with 100-400 Mb/s links– aggregated cache volume :
• RDC: 7 TB (~ 10 000 hours)• proxy/cache: 600 GB - 1,4 TB (~ 2000 hours)
– at least 15 000 users connected
• Cooperation with: – Metropolitan Area Networks– Universities and schools– Last mile operators and ISPs
The future ...
... will be HD
And we are prepared ...
Thank you!
Take a tour of iTVP Platform ...... at the PIONIER booth
