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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 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 cities $ $ $ Palo Alto broadband island $
Portal Services • Search • E-mail • Web pages • Reference • Chat rooms • Greeting cards, maps, phonebooks, ...
Broadband • Video-on-demand broadcasting • Video conferencing • Tele-commuting • Media-rich information retrieval • File transfer
Video streaming Video capture Video archiving Video conferencing Video multicasting Movie delivery Music delivery Print delivery Community services Governmental services Broadband Portal
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
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
Portal Facilities • Editing rooms and equipment • Video-on-demand server • Video capture server • Multicast server • Video conferencing server • List server • Chat server
Video-on-Demand Server • Stores gigantic quantities of video • Plays video streams on demand • Transcodes streams to lower data rates
Video Capture Server • Encodes video material • Archives meetings and sessions • Indexes video scenes • Converts speech to text • Creates web presentation pages
Multicast Server • Archives video and audio files • Advertises multicast sessions • Multicasts video/audio to the network • Collects participation reports • Accepts scheduling requests
Video Conference MCU • Meeting point for VC participants • Bridges audio and video streams • Controls access to conferences • Transcodes data rates and formats
Revenue Streams • Local advertisements • Pay-per-view video • Videoconference MCU rental • Government fees and grants • ISP Support • Commercial subscriptions to services