The analysis of technologies of description of models of differentiating of access is conducted to the resources of the computer systems. Certainly, that one of perspective languages a design is language of XACML. His basic failings are certain and conception, allowing to take into account the factor of последействия in the process of design of differentiating of access to the resources, is offered. The model of flows of data is improved at differentiating of access to the computer system. Recommendations are offered in relation to the practical use. A conclusion is done about possibility of diminishing of time on permission of request for access to the computer system.
protection of data, differentiating of access, technologies of description of models, language of XACML