broadband networks. what is broadband? transmission capacity faster than 1.5 mb/s (international...
TRANSCRIPT
![Page 1: Broadband Networks. What is Broadband? Transmission capacity faster than 1.5 Mb/s (International standard) Transmission speed of more than 200 Kb/s](https://reader035.vdocuments.us/reader035/viewer/2022072013/56649e595503460f94b53988/html5/thumbnails/1.jpg)
Broadband Networks
![Page 2: Broadband Networks. What is Broadband? Transmission capacity faster than 1.5 Mb/s (International standard) Transmission speed of more than 200 Kb/s](https://reader035.vdocuments.us/reader035/viewer/2022072013/56649e595503460f94b53988/html5/thumbnails/2.jpg)
What is Broadband?
Transmission capacity faster than 1.5 Mb/s (International standard)
Transmission speed of more than 200 Kb/s
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Why Broadband?
Greater multimedia based entertainment and information programming
Improved capability for telework Better potential for e-government Increased possibilities for stuff we don’t even
know about yet
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Growth
Up 27% in 2003 Dial-up connections growth = 0%
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Broadband Technologies
Cable modem DSL Fixed Wireless Broadband Wireless Local Area Networks Fiber to the Home Satellite Broadband Broadband over power lines
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Current State
61% of users still use dial-up to access the Internet
54% of Broadband users access the Internet via cable modem
42% use DSL 3% use wireless or satellite
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Broadband Use
News 41% Research for Work 30% Stream Multimedia 21% Download Music 13%
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How Fast?
Cable Modem: 1.5 mbps downstream and 128 kbps upstream
– Adelphia – 16mbps– Cablevision – 100mbps
DSL: same as cable modem Wireless: 128 kbps to 10 mbps over 50 km Satellite: 500 mbps downstream and 256 kbps
upstream Power Lines: 256 kbps
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Which will Dominate?
Cable does now DSL will later Voice over IP will be the main revenue
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