AAA

radiusShort for authentication, authorization and accounting, a system in IP-based networking to control what computer resources users have access to and to keep track of the activity of users over a network.

  • Authentication is the process of identifying an individual, usually based on a username and password. Authentication is based on the idea that each individual user will have unique information that sets him or her apart from other users.
  • Authorization is the process of granting or denying a user access to network resources once the user has been authenticated through the username and password. The amount of information and the amount of services the user has access to depend on the user’s authorization level.
  • Accounting is the process of keeping track of a user’s activity while accessing the network resources, including the amount of time spent in the network, the services accessed while there and the amount of data transferred during the session. Accounting data is used for trend analysis, capacity planning, billing, auditing and cost allocation.

AAA services often require a server that is dedicated to providing the three services. RADIUS is an example of an AAA service.

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One thought on “AAA

  • 10 May 2009 at 22:05
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    Hi, Thank you! I would now go on this blog every day!

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