Chapter 04 - Chapter4: TheInternetand WorldWideWeb...

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Chapter 4: The Internet and  World Wide Web
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Succeeding with Technology, Third Edition 2 Objectives Describe how the Internet developed and how  hardware, protocols, and software work together to  create the Internet Explain the underlying structure of the Web and the  technologies that support it Define the categories of information and services  that the Internet and Web provide and the forms of  communication they support Explain what Internet2 is and the types of  applications it will provide in the future
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Succeeding with Technology, Third Edition 3 A Brief History of the Internet Internet Global, public network of computer networks Computer network Collection of computing devices connected  together to share resources Internetwork Users on different networks can communicate  and share data
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Succeeding with Technology, Third Edition A Brief History of the Internet Internet hosts Computers joined into the network 1957 Computing was done primarily on large mainframe  computers    1969 ARPA commissioned ARPANET for research into  networking About 17% of the world population uses the  Internet Digital divide 4
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Succeeding with Technology, Third Edition A Brief History of the Internet 5
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Succeeding with Technology, Third Edition Internet Hardware Protocols   Rules implemented in network software and hardware Establish connections between two or more computers,  allowing them to communicate Internet backbone The main Internet pathways and connections  Network service providers The large telecom companies that provide the hardware  over which the Internet travels  6
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Succeeding with Technology, Third Edition Internet Hardware Internet service providers (ISP) Provide users with access to the Internet Points of presence (POPs) Utility stations which enable customers to connect to the  Internet Internet service providers (ISP) Companies that provide customers access to the Internet  through NSP POPs Routers Devices which manage network traffic by finding the  fastest route for messages to travel 7
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Succeeding with Technology, Third Edition Internet Hardware 8
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Succeeding with Technology, Third Edition Internet Hardware 9
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Succeeding with Technology, Third Edition Assessing the Internet Dial-up connection Low-speed Internet service Cable modem connection High-speed Internet service Data transfer rates as high as 6 Mbps DSL (digital subscriber line) connection   Uses customer’s phone line Users can use Internet and talk on the phone  simultaneously Digital satellite service (DSS) Broadband over power lines (BOP) 10
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Succeeding with Technology, Third Edition Assessing the Internet 11
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This note was uploaded on 08/16/2011 for the course ANT 2000 taught by Professor Long during the Spring '08 term at University of Central Florida.

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Chapter 04 - Chapter4: TheInternetand WorldWideWeb...

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