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NE20E-S2 V800R010C10SPC500 Configuration Guide - Security 01

This is NE20E-S2 V800R010C10SPC500 Configuration Guide - Security
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AAA and User Management Overview

AAA and User Management Overview

AAA provides security functions for user authentication, authorization, and accounting.


Authentication, Authorization, and Accounting (AAA) refers to a combination of security-related technologies used to authenticate and authorize users, as well as to account for the service provided to the users.
  • Authentication: checks whether a user has the rights to access the network.
  • Authorization: authorizes a user so that the user can use a specified service.
  • Accounting: records the usage of network resources for charging purposes.
AAA uses the client/server model. This model features good extensibility and facilitates centralized management over user information, as shown in Figure 2-1.
Figure 2-1 AAA networking

Updated: 2019-01-02

Document ID: EDOC1100055397

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