broadband networks. what is broadband? transmission capacity faster than 1.5 mb/s (international...

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Broadband Networks

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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

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

What is Broadband?

Transmission capacity faster than 1.5 Mb/s (International standard)

Transmission speed of more than 200 Kb/s

Page 3: Broadband Networks. What is Broadband? Transmission capacity faster than 1.5 Mb/s (International standard) Transmission speed of more than 200 Kb/s

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

Page 4: Broadband Networks. What is Broadband? Transmission capacity faster than 1.5 Mb/s (International standard) Transmission speed of more than 200 Kb/s

Growth

Up 27% in 2003 Dial-up connections growth = 0%

Page 5: Broadband Networks. What is Broadband? Transmission capacity faster than 1.5 Mb/s (International standard) Transmission speed of more than 200 Kb/s

Broadband Technologies

Cable modem DSL Fixed Wireless Broadband Wireless Local Area Networks Fiber to the Home Satellite Broadband Broadband over power lines

Page 6: Broadband Networks. What is Broadband? Transmission capacity faster than 1.5 Mb/s (International standard) Transmission speed of more than 200 Kb/s

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

Page 7: Broadband Networks. What is Broadband? Transmission capacity faster than 1.5 Mb/s (International standard) Transmission speed of more than 200 Kb/s

Broadband Use

News 41% Research for Work 30% Stream Multimedia 21% Download Music 13%

Page 8: Broadband Networks. What is Broadband? Transmission capacity faster than 1.5 Mb/s (International standard) Transmission speed of more than 200 Kb/s

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

Page 9: Broadband Networks. What is Broadband? Transmission capacity faster than 1.5 Mb/s (International standard) Transmission speed of more than 200 Kb/s

Which will Dominate?

Cable does now DSL will later Voice over IP will be the main revenue

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