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Triple A is a framework used to authenticate, authorize, and audit an access request from a user. It can be used by many applications. One of the many applications that can use Triple A is remote access IPSec vpn. Triple A framework is a client/server model. The client is any network device that is triple A-enabled device such as routers, switches, firewalls,..etc. The server is a hardware appliance or a software in a virtualized guest machine. Both, the client and server, send and receive messages to each other using an industry standard protocol such as RADIUS or vendor-specific proprietary protocol such as TACACS, XTACACS, or TACACS+.
AAA is Protocol which is used for authentication , authorization and accounting
Authentication to authihtcate the users by Typing his Own Password '
authorization to authorize the user access to specific Resources in the network,such a in cisco Routers we can give access the to user to show The Configuration Without editing .
Accounting for tracking,It mean recording what the users do.
we can make integration between aaa server and active directory for more flexibility .
It can use with wireless controller or vpn access .
