硕士生导师
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学历：博士研究生毕业
学位：工学博士学位
办公地点：犀浦3号教学楼31529
毕业院校：四川大学
学科：电子信息. 软件工程. 计算机应用技术
所在单位：计算机与人工智能学院
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A Novel Role-based Access Control Model in Cloud Environments
影响因子：2.259
DOI码：10.1080/18756891.2016.1144149
所属单位：西南交通大学
发表刊物：International Journal of Computational Intelligence Systems
刊物所在地：FRANCE
关键字：Access control;Cloud;Security;Availability;Trust;Bayesian;
摘要：In Cloud environments, the relationship between resources and users is more ad hoc and dynamic. The role-based access control (RBAC) model is an appropriate access control model for Cloud environments. When using the RBAC model in Cloud environments, some new elements should be considered. This pa- per proposes a SAT-RBAC model (security and availability based trust relationship in RBAC) and adopts the following elements as the main factors of a trust relationship: the security state and network avail- ability of the host used by a user, the protection state of the service providers that are related to the role. A security-based scheduling model for Cloud environments is presented. Because of the uncertainty of Cloud environments, the trust relationship is divided into three zones: the unbelievable zone, the prob- able believable zone and the believable zone. Bayesian method is used to estimate the trust probability distribution in the probable believable zone. This paper also provides algorithms to evaluate the values of the main elements of a trust relationship. Finally, the experiments in simulated Cloud environment based on CloudSim in PlanetLab are discussed and the results prove that the SAT-RBAC model is effective in filtering abnormal behaviors in Cloud environments.
合写作者：Hongjun Wang, Xun Gong,李天瑞
第一作者：Jun Luo
论文类型：学术论文
通讯作者：Jun Luo
论文编号：20160601897250
学科门类：工学
一级学科：计算机科学与技术
卷号：Volume 9
期号：2016 - Issue 1
页面范围：Pages 1-9
ISSN号：1875-6883
是否译文：否
发表时间：2016-02-03