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Designing a Network

Before you implement a network, you need to design the network you want to create. As a starting point, answer the following questions:

  • What types of services do you want to provide over the network?— Will you provide file serving? Do you want to share an Internet connection? How about FTP or web services? The answers to these questions will drive the rest of your network design. For example, if you plan to share an Internet connection, you will most likely want to include a hub that can act as a DHCP server in your network design.

  • How many devices do you want to be on the network?— The devices for which you plan must include all the workstations on the network as well as shared devices, such as printers, modems, and so on. The answer to this question determines how many access points into the network you will need to provide.

  • How will you connect the devices together?— For example, will you use Ethernet for all devices or will you include an AirPort hub (hardware or software base station) in the network? The answers to these questions determine the connecting devices you will need to use, such as Ethernet hubs, AirPort base stations, and so on.

  • Who will need access to the services you are providing?— How will they connect to the network? The answers to these questions help you identify the users on your network.

  • What are the security implications of the services you are providing on the network?— This question should drive you to ensure that you protect machines that will have access to the network. For example, you need to be very careful about providing FTP access to machines on which sensitive or critical data is stored. There are security concerns with any network service you provide; you should understand these when you design your network so you know how to provide proper security for it.


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