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Diameter Credit-Control Application, is a networking protocol for Diameter application used to implement real-time credit-control for a variety of end user services. It is an IETF standard defined in RFC 4006. == Purpose == The purpose of the diameter credit control application is to provide a framework for real-time charging, primarily meant for the communication between gateways/control-points and the back-end account/balance systems (typically an Online Charging System). The application specifies methods for: * Quota management (Reserve, Reauthorize, Abandon) * Simple Debit/Credit * Balance checks * Price inquiries The diameter credit control application does not specify which type units are bought/used and which items are charged. This is left to the service context that has to be specified separately, as is some of the semantics. Examples of units used/bought: * Time * Upload/Download bytes * SMS (Text Messages) Examples of items charged: * Money * Points * Units (e.g. if the balance is kept in the same units as what is being used) Diameter credit control also specifies how to handle the fairly complex issue of multiple unit types used/charged against a single user balance. For instance, a user may pay for both online time and download bytes but has only a single account balance. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Diameter Credit-Control Application」の詳細全文を読む スポンサード リンク
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