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CAPANINA Multimedia Applications Demo Specifications for Trial 1 Milan Lalovic Wireless Networks, BT Exact
© BT Exact 2004 Demonstration Specifications Online Internet Access (simulated) Offline Internet Services Streaming Services WLAN (backhauling) VoIP, VoWLAN Videophone (input from BUTE) Platform and Service Security
© BT Exact 2004 Demonstration Specifications Online Internet Access Online platform will be simulated with preloaded content Web Browsing, FTP downloading, etc. Offline Internet Services Off-line Web Browsing (Web content pushed) Content Distribution (pdf files, large mpeg files, etc.) Streaming Services Streaming audio/video content (e.g. corporate BTV, one-way broadcast video conferencing, online training, etc.) Windows 2003 Server Enterprise Edition, WMP9
© BT Exact 2004 Demonstration Specifications WLAN backhauling Client side equipped with the WLAN Access Point (simulating broadband Wireless HotSpot) VoIP and Videophone Voice over IP over WLAN Call Manager Server Videophone network configuration based on NetMeeting point-to- point audio/video communications (input from BUTE) Platform and Service Security Physical/link layer encryption (e.g. smart card) IP layer data encryption (Fixed/Public Key Encryption, IPSec, etc.) Transport layer data encryption (SSL, etc.) Application layer data encryption
© BT Exact 2004 Top Level Demo-platform Design Broadband Service Description Business acceptance criteria (input from WP1.2) Data Rates Considerations Data rates limits per user for Broadband Internet access (e.g. 500Kbit/s downstream data rate per user) IP Multicast data rates used for Streaming and Content-Push Backhaul link data rate requirements Core Platform Components Application Server Web Server Content Distribution Server Streaming Media Server Bandwidth Manager (e.g. Packet-Shaper, if available) Call Manager (VoIP, if available) Client equipment (e.g. PC, Laptop, PDA, WLAN enabled mobile phones, etc.)
© BT Exact 2004 Content Distribution Server Web Server Internet/Intranets Streaming Server Streaming Media APPLICATIONS SERVER Fibre-optic link RF 2-way- links SkyLINC HUB SkyLINC IDU 10 km
© BT Exact 2004 Content Distribution Server Web Server Internet/Intranets VoIP Streaming Server Streaming Media APPLICATIONS SERVER Call Manager Fibre-optic link RF 2-way- links SkyLINC HUB SkyLINC IDU WiFi AP 10 km
© BT Exact 2004 Key Technical Issues Pros Potential use of IP Multicast technology Streaming Service is a viable product Content-Push services as a mitigation technique to a network congestion and contention problems Opportunity for new commercial models and relationships for web advertising in an offline environment (e.g. QoS service guarantees possible) Cons Limitations of existing web content, in particular dynamic content that is made for offline use. Limitations of existing web advertising technologies and mechanisms for offline use. Limitations in the number of media formats that can be protected with currently available DRM technology Lack of widely-adopted DRM standards
© BT Exact 2004 Questions Time
Ch 6 Multimedia Distribution Arini, ST, MT Com
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