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Campus area network a network spanning multiple lans

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Campus Area Network - a network spanning multiple LANs but smaller than a MAN, such as on a university or local business campus. Storage Area Network - connects servers to data storage devices through a technology like Fibre Channel . System Area Network - links high-performance computers with high-speed connections in a cluster configuration. Also known as Cluster Area Network.
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Common network services include: * Authentication servers * Directory services * Dynamic Host Configuration Protocol (DHCP) * DNS * e-Mail * Printing * Network file system * Internet hosting service o Web hosting service o DNS hosting service o E-mail hosting service o Simple Network Management Protocol Basic Network Types Introduction When accomplishing any task, there is usually more than one way to get the job done, sometimes even thousands of different ways. When trying to connect more than one computer together there are also many different ways to get the job done. Some ways are better than others in certain situations, and it is very beneficial to get started in the right direction when networking computers, not just because of usefulness, but also because of security issues. Just like with anything, when deciding on how to connect computers together you should investigate on why the job must be done. Question what purpose needs to be accomplished, question if any peripherals need to be shared, question if any documents need to be accessed by more than one person, etc. Once you have more information on what the network actually needs to do, then it will be much easier implementing a plan that will accomplish all of your goals. When setting up a network there are basically three different types of networks - Peer-to-peer, Client-Server, and Application-Server Networks. Each type has certain benefits and downsides, this article will describe each type, along with why it could or should be implemented. Those who are deciding to implement a network, or are curious about their existing network should find this article interesting and informative. Peer-to-peer Networks Overview of Peer-to-peer Networks Nearly all Operating Systems come with the ability to act as some kind of a server to share resources. You can setup different computers to allow others to use its peripherals such as printers or CDROM drives, and other computers to allow others to read or write to its hard disk allowing sharing of files, while other computers may allow access to its Internet connection. When you allow workstation computers to become servers and share things in this manner, it is called a Peer-to-peer network. An Example of a Peer-to-peer Network I will use a small office as an example of a Peer-to-Peer network. In this small business office, the secretary uses the best computer, and has the most drive space, she also has a fast laser printer connected to her computer. The accountant has a mediocre computer that has a color ink jet printer. The owner has a good computer with a zip drive to take work home. All of these computers are networked together, with no central server.
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