Networking Essay

723 Words Mar 6th, 2013 3 Pages
Networking
When you have two or more computers connected to each other, you have a network. The purpose of a network is to enable the sharing of files and information between multiple systems. The Internet could be described as a global network of networks. Computer networks can be connected through cables, such as Ethernet cables or phone lines, or wirelessly, using wireless networking cards that send and receive data through the air.
LAN - Local Area Network
A LAN connects network devices over a relatively short distance. A networked office building, school, or home usually contains a single LAN, though sometimes one building will contain a few small LANs (perhaps one per room), and occasionally a LAN will span a group of nearby
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MANs might also be owned and operated as public utilities. They will often provide means for internetworking of local networks. | ” |
Authors Kenneth C. Laudon and Jane P. Laudon (2001) of Management Information Systems: Managing the Digital Firm 10th ed. define a metropolitan area network as: “ | A Metropolitan Area Network (MAN) is a large computer network that spans a metropolitan area or campus. Its geographic scope falls between a WAN and LAN. MANs provide Internet connectivity for LANs in a metropolitan region, and connect them to wider area networks like the Internet. |
Network structures Edit 0 0 2…

Networks are made up of people and the links between them, and the way that these links are organised has a big effect on who gets what information, and the influence that they may have. The diagram shows three types of networks, which we have called “Join us”, “Join in” and “Join up” to focus on the different relationships that may underly different structures.

Join us
This stype of network is essentially top-down, and usually defined by a mailing list of contacts * “Broadcasts” information from the centre through a newsletter and similar methods * May take views from its members * Controls information flows and content * Minimum connections between members encouraged * Online tools likely to be non-interactive website and/or email newsletter * Focus is on the centre
Join In
This type of network has

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