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How traffic moves over
     the Internet

Group Web Presentation week12



s1130168, s1160008, s1160011, s1160013
Introduction


The Internet is a global system of interconnected
computer networks that interchange data by
packet switchi...
Modem


Modem (from modulator-demodulator) is a
device that modulates an analog carrier signal
to encode digital informati...
ISP


High-speed leased lines connect the POPs to the
ISP's main data center.
Large ISPs such as EarthLink and AOL may hav...
Internet backbone


These are very high-speed fiber-optic connections
that link major ISP data centers, universities and
g...
Web service


Web service is a software system designed to
support interoperable machine-to-machine
interaction over a net...
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Week12 Presentation

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Transcript of "Week12 Presentation"

  1. 1. How traffic moves over the Internet Group Web Presentation week12 s1130168, s1160008, s1160011, s1160013
  2. 2. Introduction The Internet is a global system of interconnected computer networks that interchange data by packet switching using the standardized Internet Protocol Suite (TCP/IP). Internet is moved by such a part.
  3. 3. Modem Modem (from modulator-demodulator) is a device that modulates an analog carrier signal to encode digital information. For most of us, the Internet starts at our modem. When your modem dials into your Internet ser- vice provider, it connect to a special router called an access cocentrator, located at the ISP's Point of presence (POP).
  4. 4. ISP High-speed leased lines connect the POPs to the ISP's main data center. Large ISPs such as EarthLink and AOL may have thousands of POPs located around the World. Most ISPs provide free email service for their clients. Each ISP must have a high-speed connection to one of the major Internet backbones.
  5. 5. Internet backbone These are very high-speed fiber-optic connections that link major ISP data centers, universities and government agencies. All the major backbones are interconnected, so that if one fails, the others automatically pick up the traffic.
  6. 6. Web service Web service is a software system designed to support interoperable machine-to-machine interaction over a network. The internet wouldn't be very interesting without content, and most of that content comes from Web services. ISPs often provide free hosting services for their users, and many business host their own Web sites.
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