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Protocol Requirements for Internet Program Guides

Protocol Requirements for Internet Program Guides. Yuji Nomura Fujitsu Laboratories Ltd. Henning Schulzrinne Columbia University. Basic Protocol Requirements. A program guide is a set of meta-data describing the feature of multimedia content Potential hosts Any Internet host

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Protocol Requirements for Internet Program Guides

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  1. Protocol Requirements for Internet Program Guides Yuji Nomura Fujitsu Laboratories Ltd. Henning Schulzrinne Columbia University

  2. Basic Protocol Requirements • A program guide is a set of meta-data describing the feature of multimedia content • Potential hosts • Any Internet host • PCs, PDAs, Cellular Phones, PVRs,.. • Protocol Operations • On demand Retrieval • Update Notification • Description: • Multiple segments, Hierarchical structure • URL, Genre, Rating, Availability, Bandwidth, Billing,..

  3. SAP • Distributes session meta-data by using multicast • Not provide request/response operations

  4. SDPng • Describes single session meta-data for multimedia conferencing • Not cover • Wide range of generic multimedia content such as news programs, TV shows, Movies,.. • Hierarchical structure

  5. MPEG-7 • ISO/IEC standard developed by MPEG (Moving Picture Experts Group) • Standardized in Sep. 2001 • NOT a COMPRESSION Standard similar to MPEG-1/2/4 • Offers a comprehensive set of audiovisual description tools • Description Schema: XML Schema • Descriptor

  6. Conclusion • Protocols are needed for program guides • On demand retrieval • Update notification • Comprehensive description • Thank you • nomura@cs.columbia.edu

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