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A Framework for Internet Program Guides

A Framework for Internet Program Guides . Yuji Nomura ( nom@flab.fujitsu.co.jp) Fujitsu Laboratories Ltd. Henning Schulzrinne ( hgs@cs.columbia.edu ) Columbia University. Introduction. draft-nomura-mmusic-pguide-requirements-00 Unicast retrieval, possible content format

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A Framework for Internet Program Guides

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  1. A Framework forInternet Program Guides Yuji Nomura (nom@flab.fujitsu.co.jp) Fujitsu Laboratories Ltd. Henning Schulzrinne (hgs@cs.columbia.edu) Columbia University

  2. Introduction • draft-nomura-mmusic-pguide-requirements-00 • Unicast retrieval, possible content format • draft-nomura-cdi-mmusic-mupdate-00 • describes protocol, notifications for unicast • Last meeting in Yokohama • Framework document discussion  • Include multicast model • Keep content format open

  3. Framework Draft • draft-nomura-mmusic-pguide-framework-00: • unicast and multicast model • synchronized and unsynchronized model • data model • does not recommend specific formats and protocols

  4. Open Issues • Make working group item? • Potential applications: • DVB-IPI • service guides for cell phones • content distribution networks • Mbone-style seminars and content • Revise requirement draft • include both unicast and multicast model • Naming: Internet {Program, Service, Content} guide? • Appropriate protocol for announcement • Multicast: SAP • Unicast: SIP event notification • Appropriate description format: • Just one format or multiple (“multipart”)? • Is SDPng sufficient? • Media content vs. communications information • MPEG-7 already well-developed

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