摘要
有效的访问控制机制是P2P网络的研究热点之一,然而传统的访问控制机制并不能适用于P2P网络这样的分布式管理系统。针对该问题,给出了一种多域环境下的P2P网络访问控制模型(TMAC)。它采用了社会网络的基本原理,将系统节点划分成若干个不同的域,通过扩展多级安全机制来实现访问控制。节点之间进行交互时,主体节点将根据目标节点关于请求资源类别的信任等级授予不同的访问权限,以达到系统安全的目标。通过仿真实验验证了该访问控制模型的有效性。
Effective access control mechanism is one of research hotspots in the domain of P2P network, however, the traditional access control mechanisms are not suitable for P2P network, the distributed management system. This paper proposes an access control model of P2P network in multi-domain environments（TMAC）. It adopts the rationale of social network. The nodes of system will be distributed in several domains. By extending the multiple level security mechanism, this model realizes the access control. Before the transaction would be generated between the nodes, according to the trust level of the object node about the resource category, the subject node grants it different access privileges, so that, the goal of system security is achieved. The results of experiment show that this access control model is effective.
出处
《计算机工程与应用》
CSCD
2014年第21期116-120,共5页
Computer Engineering and Applications
基金
湖南省自然科学基金(No.11JJ3074)
湖南省科技计划资助项目(No.2012GK3117)
湖南省教育厅科研资助项目(No.12C0744)
中南大学博士后科研基金的资助项目
湖南省计算机应用技术重点学科资助
关键词
P2P网络
社会网络
信任
多域
访问控制
多级安全
Peer-to-Peer network
social network
trust
multi-domain
access control
multiple level security
