The Internet - The Internet The Background a The ARPANET...

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The Internet The Internet
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2 Background a The ARPANET, created in 1969, connected computers at UCLA Stanford Research Institute, University of Utah University of California at Santa Barbara T An estimated 500 million nodes and more than 1 billion users
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Background 1986 a National Science Foundation (NSF) T Added their network of 5 Supercomputers, NSFnet to ARPANET Birth of the Internet
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Internet Infrastructure a The Internet is not owned or operated by any single corporation or government T The Internet backbone is a network of high-capacity communications links that provides the main routes for data traffic across the Internet T Backbone links and routers are maintained by network service providers (NSPs) T NSP equipment and links are tied together by network access points (NAPs) T An Internet service provider (ISP) is a company that offers Internet access to individuals, businesses, and smaller ISPs
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Internet Protocols, Addresses, and Domains
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Internet Protocols, Addresses, and Domains a A computer can have a permanently assigned static IP address or a temporarily assigned dynamic IP address
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