The Research And Application Of Logistics Information System Based On RBAC In Distributed Environment

Computer technology has been integrated into every aspect of social life everywhere, software development engineers have developed a number of software systems for the various industries. With the development of software technology, information and data processing to the cloud computing model is the focus of past models, the direction of change in the distribution deal. And information and data communications within the system by the development of other subjects for the system to communicate with the outside, which requires strengthening the information system resources and data security protection, access control through improved technology, the normal security system operation, to achieve security software systems. Although discretionary access control and mandatory access control are implemented access control system security, but when a large number of users and resources, both models have become difficult to maintain. Role-based access control model (RBAC, Role Based Access Control) between users and resources added to the role of the intermediate links, direct relationship now before it becomes a "User Role Resources" between the three, reducing the complexity of the authorization, and better meet the modern enterprise management architecture model.The current access control technologies for detailed analysis to understand the current research and future trends. Then the RBAC model and ARBAC model adequately studied in combination in today’s distributed systems based on the characteristics, improved model put forward their own. Improved model in several ways to improve and optimize the user group to increase and improve the role of the hierarchy, increasing the role of static constraint between increased time constraints and optimize permissions loading methods.Finally, the improved model system in which, for a variety of processes petroleum operations in the face of numerous business functions, processes complex, involving a wide range of personnel, data generated much data confidentiality while there are certain requirements to ensure that the system uptime and security access control. Through the system performance testing, view performance test reports, analysis and robust high availability server load, under the set of test cases, the average response time of the system has been very stable, no large fluctuations deviate in stable condition, the curve fell flat, no significant deviations, suggesting that the system under the test conditions are stable and reliable.