Design and Implementation of the AAA System of Value-Added Telecom Services Based on SOA/J2EE

In support of the SOA/J2EE design pattern, China Vnet’s AAA system adopts the MVC architecture of the Web Services mode and the development methodology of components. It makes the AAA system organize applications and exchange information with the outside environment steadily and safely,and it is easy for new applications to be createdAt present,the AAA system is applied to China Vnet and features excellent expandibility,adaptibility and reliability.