Chapter 14 - ISPs and Network Connections

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Chapter 14 - ISPs and Network Connections

• Introduction
• Internet Service Providers and Fees
• A charge for using the Internet (everyone pays
  this) can be a flat rate or per usage
• A charge for the connection to the Internet (paid
  to "phone company" for dedicated connection)
• Customer Connections Form the Last Mile
• .Leased Circuits Are Expensive 500-5000 USD
  (T-1, T-3, etc.)

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Chapter 14 - ISPs and Network Connections

• Most Individuals Choose Dial-Up Access requires
  modems
• Using the conventional telephone system to access
  the Internet is extremely popular because it is
  the least expensive access technology.
• The Important Concept of Continuous Connectivity
  (Dedicated Circuit)
• Usually higher-speed than dial-up
• Instantaneous access and continous availablity
  (necessary for a website to be available 24/7)
• Instantaneous Access Changes Use
• A dedicated Internet connection that provides
  instantaneous access 24/7 changes the way an
  individual views the Internet because it
  encourages frequent and casual use.

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Chapter 14 - ISPs and Network Connections

• Newer Technologies Offer Inexpensive Dedicated
  Access
• Cable Modems (uses existing cable-TV wiring) -
  shared cable
• xDSL (Digital Subscriber Line) - uses existing
  phone lines
• Wireless - uses cell phone technology
• Terms
• ISP
• dedicated line (T-1, T-3)
• dial-up access
• cable modem
• ADSL
• wireless access technology