Abstract
Many standards and even more proprietary technologies deal with IP-based television (IPTV). But none of them can transparently map popular public broadcast services such as DVB or ATSC to IPTV with acceptable effort. In this paper we explain why we believe that such a mapping using a light weight framework is an important step towards all-IP multimedia. We then present the NetCeiver architecture: it is based on well-known standards such as IPv6, and it allows zero configuration. The use of multicast streaming makes NetCeiver highly scalable. We also describe a low cost FPGA implementation of the proposed NetCeiver architecture, which can concurrently stream services from up to six full transponders.
Highlights
In this paper we present NetCeiver, an IP-based television (IPTV) architecture that is fully compatible to existing digital television broadcast systems
Many multimedia streaming frameworks already exist, we decided to find a new, more efficient way that meets the following requirements: (1) transparent DVB access: support for all quality modes, the entire DVB feature set, and low zapping times, (2) zero configuration: a self-organizing system that runs without any prior setup, (3) scalability: multiple servers can serve multiple clients in an efficient way, (4) low cost solution: server and client are designed to meet low cost requirements. The rationale for these requirements is based on the way how digital television broadcast systems operate: DVB services are organized as a multiplex called transport stream (TS)
In this paper we have presented the NetCeiver architecture for distributing DVB-like broadcast over IP networks
Summary
In this paper we present NetCeiver, an IPTV architecture that is fully compatible to existing digital television broadcast systems. Professional IPTV systems, are typically based on a centralized infrastructure They use dedicated hardware and network resources for their content distribution. DVB provides high-quality audio and video transmissions, fast channel switching, and a vast number of additional services such as electronic program guides or conditional access (Pay-TV) Many of those services are fully standardized. Consumers can trust that any commodity receiver is compatible with their preferred service provider As stated above, this situation is still totally different in current IPTV systems. Its primary goal is the distribution of DVB services within a large-scale IP network It is based on MPEG2 transport streams carried over IPv4 networks as unicast or multicast in RTSP format. The latter enables the client to instantly display the new channel
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