Subject: [AAA-WG]: Who is responsible for money deduction

From: Penny <[email-masked]>
Date: Thu, 27 Jun 2002 16:56:9 +0800

From RFC 2975 (1.3 Accounting management architecture), billing server " handles rating and invoice generation, but may also carry out auditing, cost allocation, trend analysis or capacity   planning functions. " I am confused by this sentense, is billing server responsible for money deduction from user's accounting? 
And, from draft-hakala-diameter-credit-control-01.txt, it says that "Credit control is a process of checking if credit is available, credit-reservation, reduction of credit from the end user account when service is completed and refunding of   reserved credit not used."  Is credit the same meaning with money or someting to record expense?
Thank you.