How The Internet Works Essay - 2437 Words

How The Internet Works What is the Internet? The Internet is a world-wide network of computers. It is an Information Superhighway that carries traffic to and from a collection of servers-- remote computers that handle requests for data and information, much like the waiter in a restaurant that takes orders for food. This collection of servers distributed all over the world and is called the World Wide Web (WWW). Servers respond to clients-- computers that request information, much like a customer in a restaurant orders food from the waiter. You click links to text, pictures, music, or video located on these servers. In addition, you can play the selected files on your local client PC, workstation, or terminal, as well as, links to†¦show more content†¦Companies may use a dedicated communications link connection, such as an ISDN-- telephone company land-lines or On Ramp-- a utility to connect to an ISP or the main link (backbone) of the telecommunications carrier. The dedicated line allows you to connect to an ISP or the main link (backbone) of their telecommunications carrier. Mobile: Mobile users can connect to the Internet through mobile phones or via satellite using a portable satellite transceiver. This section has provided an analysis of the physical means to transfer data. Now that we know the physical means to transfer data, the next section discusses the physical requirements for the Internet to work. What is Required for the Internet to Work? The following physical requirements are needed for the Internet to work: Ø Clients Ø Servers Ø Routers Ø Packets Clients: Clients communicate with a WWW server using the Hypertext Transfer Protocol (HTTP). Thus, when you select a WWW link, the client looks up the hostname and makes a connection with the WWW server. Then the HTTP software on the server responds to the clients request and the client and the server close the connection. Servers: For applications to work, there must be computers to provide e-mail and Web services. Servers run server applications that store and transmit e-mail messages, as well as distribute Web page content. Other servers provide additional support services such as identification of computers by name,Show MoreRelatedHow the Internet Works618 Words   |  2 PagesIn 1989, Tim Berners-Lee invented the World Wide Web, an Internet-based hypermedia initiative for global information sharing while at CERN. Sir Tim Berners-Lee is the reason you’re reading this story in a web browser, complete with hypertext and an internet address that looks like this: http://www.wired.com/wiredenterprise/2012/06/sir-tim-berners-lee/. But you weren’t supposed to see the address. 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