Research on Access Control Strategy

Access control strategy plays an important role in software system.It influences the security and reliability of software system.Which strategy will be applied,is a complex problem to plan and design authorization system.This paper presents three mainstream access control strategies:discretionary access control,mandatory access control and role-based access control,and compares with each other.Role-based access control policy strengthens access control to resources by two important security policies,and settles the management questions in a system of many users and permissions.It is applied to current data-management system widely.