Integrated Billing And Accounting For IP Service

This thesis focuses on integrated billing and accounting system design for IP service,designed for ISP (Internet Service Provider) and IPT (IP Telephone) services. This system,having high real-time performance,powerful security and RAS (Reliability Availability and Service),can realize user authentication,billing,management,accounting,reporting,settlement,and other functionalities.Firstly,the thesis analyses the existing billing and accounting system for ISP and IPT,points out some potential problems. In order to solve these problems,some ideas and means for improvement are given,and the related service type,capacity,functions,authentication and billing are redefined. Then,a new plan of integrated billing and accounting system is presented. New software platform,hardware platform,architecture of the network,key data storage plan is put forward. Reliability,security and extension of this system are then considered and designed in detail.Secondly,the thesis realizes authentication and billing for ISP and IPT. An integrated business and accounting system is designed,including flexible accounting process,write-off process,perfect reporting,user management and settlement between international or national departments. Roaming authentication and billing is analyzed and realized. In order to evaluate the performance of this system,authentication and traffic are analysed and simulated.Finally,advantages and disadvantages of this system are summarised,and possible solutions related to the existing problems are put forward.