Research And Implementation On XACML Unified-Policies-based Access Control Service

Along with the high-speed development of Internet technology, the patterns of Internet application are changing continuously, and the scales of applications are also widened rapidly. The governmental affairs, business and information management for enterprise are tended to be electronical. And service process, business process, information circulating and sharing that cross over the organization, are brought to visit more and more challenges of access control technique in the Internet.The Internet architecture develops from Web1. 0 to Web2.0, from data-oriented to service-oriented, from centralized deployment to distributed deployment, while application techniques and ideas are continuously evolving. Nowadays, Web Services is a popular distributed network application technique. It is based on some liberal standards and it makes good use of Web application techniques that already exsits, including various models, standards, and protocols. Besides, it is service-oriented, which accomplishes the goal of inter-exchanging heterogeneous information with the help of proper use of exsiting Web application techniques. Its modulation, extensibility, ability of custom and the heterogeneous information interaction are all impressive, which will greatly shorten the application distance between organization's business and the services.The interconnection often faces a lot of risks, while the security...