摘要
本文对基于角色(RBAC)、基于任务(TBAC)以及基于任务和角色的安全访问模型(RTBAC)进行了描述,对三种访问控制模型各自的特点和功能进行了分析比较,阐明了在三种模型中,RTBAC能更好地满足工作流中访问权限的分配和控制。
This thesis describes three access control models including RBAC, TBAC and RTBAC, analyzes and researches on the characteristic and function of them. In addition, the model of RTBAC is preferably satisfactory to assign and control the access right based on workflows.
出处
《电脑与电信》
2008年第7期89-91,共3页
Computer & Telecommunication
