C04.Internet_printable

C04.Internet_printable - Internet The Internet is the...

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The Internet is the world’s largest public computer network, a network of networks that provides a vast array of services to individuals, businesses, and organizations around the world. Internet • Internet Technologies • Web Technologies • Web Applications Concepts > Internet In this section:
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Many different Internet technologies work together to provide information and services over the Internet, including a variety of protocols, hardware, and software. Internet Technologies • Internet Backbone • TCP/IP • Internet Service Provider (ISP) Concepts > Internet > Internet Technologies • Port • Voice over IP (VoIP) • Internet2 • Client/Server • Peer-to-Peer (P2P) • Router • Domain Name System (DNS) In this section:
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Internet Backbone The Internet backbone refers to the main Internet pathways and connections, made up of the many national and international communication networks that are owned by major telecom companies, such as Verizon, AT&T, and Sprint - the same companies and networks that provide telephone service. Concepts > Internet > Internet Technologies > Internet Backbone
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TCP/IP The protocols on which the Internet is based are the Transmission Control Protocol (TCP) and Internet Protocol (IP); together referred to as TCP/IP . Concepts > Internet > Internet Technologies > TCP / IP Internet applications divide up information, such as a email messages, into small packets to make efficient use of the network. Upon arriving at their destination, the packets are reconstructed into the original message.
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Internet Service Provider A company that provides individuals and organizations with access to the Internet is called an Internet service provider (ISP) . Concepts > Internet > Internet Technologies > Internet Service Provider ISPs charge a monthly fee to Internet users and provide devices, such as modems, by which the user can connect to the Internet.
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Client/Server Client/server is a network architecture in which one computer or program (the client) makes a service request from another computer or program (the server), which provides the service. Concepts > Internet > Internet Technologies > Client/Server
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Peer-to-Peer Peer-to-peer (P2P) is a network architecture that does not utilize a central server, but facilitates communication directly between clients with computers acting as both client and server. Concepts > Internet > Internet Technologies > Internet Service Provider
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Router A router is a network device that manages network traffic by evaluating messages and routing them over the fastest path to their destination. Concepts > Internet > Internet Technologies > Router Although routers play a crucial role on the Internet backbone, they also are used on smaller networks. Routers are used on business and home networks to allow computers on the network to communicate.
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Domain Name System (DNS) The Domain Name System (DNS) maintains a database of all domain names and IP addresses used on the Internet and acts like a phonebook, supplying information to Internet
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C04.Internet_printable - Internet The Internet is the...

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