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Network Management: Accounting and Performance Strategies by Ralf Wolter, Benoit Claise - CCIE No. 2686

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Chapter 9. AAA Accounting

This chapter describes authentication, authorization, and accounting (AAA), with an emphasis on accounting. It starts with a general introduction to AAA, RADIUS, and Diameter, and then the various standards are discussed, along with voice-specific extensions. You will learn how to identify which AAA functions to use for which requirements and what Cisco has implemented.

With authentication, authorization, and accounting, each “A” describes a specific set of tasks to perform:

  • Authentication verifies that the users are who they say they are.

  • Authorization limits the user’s activities to a set of policies, such as hours of operation, idle timeouts, filters, limiting service and connection access, and so on.

  • Accounting generates ...

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