基于应用层多播的角色分配与角色授权模型  

Model Based on the Role Allocation and Authorization of ALM

作　　者：刘余娇[1] 

机构地区：[1]绵阳师范学院计算机中心教师技能培训中心,四川绵阳621000

出　　处：《绵阳师范学院学报》2009年第8期77-81,共5页Journal of Mianyang Teachers＇ College

摘　　要：现有的应用层多播机制的特点是没有考虑角色的动态分配与动态授权,忽视了应用层多播系统上下文环境的动态性,该文从应用层多播系统的动态角色分配与动态角色授权角度出发,提出了基于应用层多播的角色分配与角色授权模型,利用用户-角色矩阵与角色-权限矩阵分析了ALM中角色分配与角色授权关系,在此基础上进一步讨论了ALM中的安全问题。Without considering the role of dynamic allocation and dynamic authorization, the existing ALM ignores the dynamic environment of the ALM system. This paper, from the angle of dynamic role allocation and authorization of the ALM system, put forward a model based on the role allocation and authorization of the ALM. With user - role matrix and role - privilege matrix, the paper analyses the relationship between the role allocation of the ALM and the role authorization of the ALM, and then discusses the safety problem of the ALM.

关 键 词：应用层多播 角色分配 角色授权 矩阵 

分 类 号：TP301.6[自动化与计算机技术—计算机系统结构] TP309[自动化与计算机技术—计算机科学与技术]