Onewave: Based On Practical Cases Of Interactive Tv Platform Architecture
Two-way interactive platform for business development is a beginning, and cross-platform system architecture determines the follow-up to the sustained and healthy development of interactive services is the cornerstone of large-scale commercial interactive platform. Interactive platform structure, the most critical is the management system structure and background Video Service system architecture, science and technology article Onewave architecture of the system will focus on these two key start. The current mainstream solution for the interactive platform architecture, a tradition-based Radio HFC network, Time Warner ISA architecture and IPTV broadband networks based on IP standards, and not yet mature application framework for the next generation of interactive television are trying to absorb a variety of architecture NGOD advantages.
1, interactive navigation structure at the head
To VOD and time shift business operations on behalf of interactive TV applications to break the traditional broadcast user passive TV viewing time and space constraints, allows the user to arbitrary control of the broadcast, abandoned alone digital keys to select the viewing of broadcast channels way to overturn the traditional program spending habits.
Interactive business development, along with radio and television system operators and their Radio and TV Market environment changes, will bring tremendous radio and television industry, changes in service mode. The building is a two-way interactive platform business, a beginning, and cross-platform system architecture determines the follow-up to the sustained and healthy development of interactive services is the cornerstone of large-scale commercial interactive platform. Therefore, interactive system architecture of open, flexible, would be very beneficial to radio and television operators, broadcast network from a single operator to integrated operators a smooth transition and development.
Interactive platform architecture, the most critical is the background and video service management system architecture framework, this article Onewave technology architecture of the system will focus on these two key start.
2, a typical cross-platform system architecture
A typical interactive television system function architecture and back office systems and the relationship between peripheral systems as shown, information content management system by AMS media feed BMS Business Management System, BMS system, the media files into the video server VODServer, while the assets into the business application system Application, business application systems programming and interactive services to bind and then release program navigation system IPG. User through the navigation interface to select on-demand programs, and resource management systems SRM session and BMS platform in the background to manage network bandwidth, and with the payment platform with a user account to determine the legitimacy of.
Figure 1 Broadcast TV services in the complete system, the media information management systems and operation support system BOSS AMS were used as production systems and business operations systems, often by independent vendors providing products and customer service, to include the broadcasting business, including provide support to all business. The IPQAM is the network equipment, so the core interactive platform architecture consists of:
Video Service System VODServer Business Management System BMS SRM session and resource management system
Application Management System VODApplication IPG interactive program navigation system 3, backstage management system architecture Current mainstream solution for the interactive platform architecture, there are based on traditional radio and television network, Time Warner ISA HFC architecture and IPTV broadband networks based on IP standards, and not yet mature application framework for the next generation of interactive television are trying to absorb a variety of NGOD structure of benefits.
ISA-based HFC network architecture, traditional radio and television solution and compatible with the existing network and business, video downlink broadcast channel by HFC, using DVB Agreement, the encoding format used MEPG-2. The IPTV architecture, using IP encapsulation and IP unicast / multicast technology, the encoding format MPEG4 generally or H.264.
For radio and television operators, the existing network environment must be based on full consideration of new technologies and the impact of new business, a reasonable choice for broadcast and interactive platform framework conditions. On the one hand the use of existing broadcast network bandwidth advantages, on the other hand fully absorb IPQAM technology, Gigabit Ethernet technology, Streaming Media Technology and other advanced technologies to achieve support for broadcasting services, VOD services, times / look at business, nPVR business Advertisement Business, H.264/AVS HD business, SDV switched digital video services and other business integration architecture.
Taking into account the multi-service support and development of the uncertainty in the absorption of different network architectures are the advantages and practical operating experience, thinking Chinese science and technology background that a complete management system (BackOffice) functional structure as shown below:
Figure 2
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