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This paper first describes the background of the authentication and accounting system , developments at home and abroad , the basic concepts of authentication and accounting , the theoretical basis and the main research results were reviewed and summarized . RADIUS protocol , distributed computing technology CORBA, real - time memory database technology . On the basis of analysis of existing research results of the authentication and accounting system improvement program - in order to improve the authentication and accounting system of openness , scalability , rapid deployment , high-performance and real-time , the new program certification count The fee system architecture using a four-layer structure : the database layer , object layer , business layer , application layer on top of the distributed computing technology CORBA to implement the entire system , certified memory database authentication , billing documents buffer billing . Finally, a summary of the work done , and authentication and accounting system is no longer confined to operations support , and more tend to provide content - based services , such as games , video chat , broadband theater , VoIP future point of the work envisaged .
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