Accounting method of the remote authentication dial in user service client

A method for performing accounting of a user by a Remote Authentication Dial-In User Service client, the method comprising, after the user requesting for a session in order to access a network has been authenticated successfully:

• performing, by the Remote Authentication Dial-In User Service client, accounting of the user in accordance with a preset accounting policy of the Remote Authentication Dial-In User Service client during the session;
• carrying, by the Remote Authentication Dial-In User Service client, an amount of money consumed by the user during the present session in a Account-of-Session-Cost attribute added in the Remote Authentication Dial-In User Service client protocol, and sending the Account-of-Session-Cost attribute, by the Remote Authentication Dial-In User Service client, to a Remote Authentication Dial-In User Service server after the session has been finished;
• and
• updating, by the Remote Authentication Dial-In User Service server, information of the user in accordance with the received amount of money consumed by the user during the present session.