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; Authentication : Authentication refers to the confirmation that a user who is requesting services is a valid user of the network services requested. Authentication is accomplished via the presentation of an identity and credentials. Examples of types of credentials are Password s, One-time Token s, Digital Certificate s, and phone numbers (calling/called).

; Authorization : filtering, address assignment, Route Assignment , QoS /differential services, Bandwidth Control / Traffic Management , compulsory Tunneling to a specific Endpoint , and Encryption .

; Accounting : Accounting refers to the tracking of the consumption of Network Resource s by users. This information may be used for management, planning, Billing , or other purposes. Real-time accounting refers to accounting information that is delivered concurrently with the consumption of the resources. Batch accounting refers to accounting information that is saved until it is delivered at a later time. Typical information that is gathered in accounting is the identity of the user, the nature of the service delivered, when the service began, and when it ended.


REQUIREMENTS

  • RFC 2194 Review of Roaming Implementations

  • RFC 2477 Criteria for Evaluating Roaming Protocol s

  • RFC 2881 Network Access Server Requirements Next Generation (NASREQNG) NAS Model

  • RFC 2903 Generic AAA Architecture

  • RFC 2904 AAA Authorization Framework

  • RFC 2905 AAA Authorization Application Examples

  • RFC 2906 AAA Authorization Requirements

  • RFC 3169 Criteria for Evaluating Network Access Server Protocols

  • RFC 3539 AAA Transport Profile



LIST OF AAA PROTOCOLS


Other protocols used in combination with the above :