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MPAC

MPAC. A Broadband Community Portal PA-Comnet June 2nd, 1999. Broadband Islands. On the island High speed, low cost, local access Off the island Low speed, high cost, remote access Not on the island existing portals - Yahoo, Netscape and others. Palo Alto Broadband. $. $. Other fiber

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MPAC

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  1. MPAC A Broadband Community Portal PA-Comnet June 2nd, 1999

  2. Broadband Islands • On the island • High speed, low cost, local access • Off the island • Low speed, high cost, remote access • Not on the island • existing portals - Yahoo, Netscape and others

  3. Palo Alto Broadband $ $ Other fiber cities $ $ $ Palo Alto broadband island $

  4. Portal Services • Search • E-mail • Web pages • Reference • Chat rooms • Greeting cards, maps, phonebooks, ...

  5. Broadband • Video-on-demand broadcasting • Video conferencing • Tele-commuting • Media-rich information retrieval • File transfer

  6. Video streaming Video capture Video archiving Video conferencing Video multicasting Movie delivery Music delivery Print delivery Community services Governmental services Broadband Portal

  7. Video Data Rates • 28.8 kbps - Talking heads • 56 kbps - Postage stamp video • 112 kbps - Small scene, limited motion • 384 kbps - Group video conferencing • 1.5 Mbps - MPEG1 VHS quality • 3.0 Mbps - MPEG2 SVHS quality

  8. Portal Activities • Create - tape and edit local content • Capture - record and index meetings • Archive - store material for later playback • Disseminate - serve video-on-demand • Communicate - chat rooms, email lists • Facilitate Commerce - local ads and sales

  9. Portal Facilities • Editing rooms and equipment • Video-on-demand server • Video capture server • Multicast server • Video conferencing server • List server • Chat server

  10. Video-on-Demand Server • Stores gigantic quantities of video • Plays video streams on demand • Transcodes streams to lower data rates

  11. Video Capture Server • Encodes video material • Archives meetings and sessions • Indexes video scenes • Converts speech to text • Creates web presentation pages

  12. Multicast Server • Archives video and audio files • Advertises multicast sessions • Multicasts video/audio to the network • Collects participation reports • Accepts scheduling requests

  13. Video Conference MCU • Meeting point for VC participants • Bridges audio and video streams • Controls access to conferences • Transcodes data rates and formats

  14. Revenue Streams • Local advertisements • Pay-per-view video • Videoconference MCU rental • Government fees and grants • ISP Support • Commercial subscriptions to services

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