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DVB-IPTV content download services—overview and use cases

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Abstract

IPTV services have been widely deployed by network operators around the world over the last years. However, real-time streaming of Linear TV and Video-on-Demand (VoD) offerings, especially in High Definition quality, still puts a high burden on the network and content servers concerning bandwidth, Quality-of-Service, processing performance and scalability if 100.000s of users have to be supported simultaneously. While multicast delivery can cope with some of these problems for Linear TV services, the unicast VoD services cannot take advantage of that and especially the request for on-demand content is expected to substantially grow in the future. With the introduction of Content Download Services (CDSs), operators have the option to provide IPTV services in innovative ways: They can provide high-quality video services to users with limited access bandwidth, offload the streaming request for blockbuster movies at peak times from the VoD servers or provided personalized advertisements for insertion into a live program event in advance to the users end device. The Digital Video Broadcast (DVB) Project has recently finalized its CDS specification within its IPTV specification efforts. DVB CDS supports push and pull delivery models with unicast, multicast and peer-to-peer distribution in order to enable various business models and use cases. In this work we introduce the specified technology and map it to example use cases and business models.

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Acknowledgments

The authors would like to thank Eric Gautier, Dave Walton, the DVB TM-IPI and TM-GBS group as well as the TV Anytime experts for their continuous support during the development of the DVB-IPTV CDS and RMS specification.

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Authors and Affiliations

  1. Nomor Research, Munich, Germany

    Thomas Stockhammer

  2. Nokia Siemens Networks, Munich, Germany

    Jürgen Heiles & Joachim Lüken

Authors
  1. Thomas Stockhammer
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  2. Jürgen Heiles
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  3. Joachim Lüken
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Corresponding author

Correspondence to Thomas Stockhammer.

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Stockhammer, T., Heiles, J. & Lüken, J. DVB-IPTV content download services—overview and use cases. Multimed Tools Appl 53, 533–555 (2011). https://doi.org/10.1007/s11042-010-0505-3

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  • DOI: https://doi.org/10.1007/s11042-010-0505-3

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