A trust degree based access control in grid environments

被引：31
作者：
Luo, Junzhou [1 ]
Ni, Xudong [1 ]
Yong, Jianming [2 ]
机构：
[1] Southeast Univ, Sch Comp Sci & Engn, Nanjing, Peoples R China
[2] Univ So Queensland, Fac Business, Sch Informat Syst, Toowoomba, Qld 4350, Australia
来源：
INFORMATION SCIENCES | 2009年 / 179卷 / 15期
基金：
高等学校博士学科点专项科研基金; 中国国家自然科学基金;
关键词：
Grid; Trust; Security; Access control; Resource sharing;
D O I：
10.1016/j.ins.2009.01.039
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The purpose of grid computing is to enable coordinated resource sharing and support cooperative work between different domains in dynamic grid environments. In order to protect each participant's privilege and security, a secure and efficient access control is essential. This paper presents a new approach of access mechanism based on trust relationships across domains. A new calculation method of trust in grid is proposed and the difference between intro-domain trust and inter-domain trust is analyzed. In addition, a novel access control framework combined with trust degree is given from this proposal. It is shown to be adaptive for both intro-domain and inter-domain conditions. Hence, a prototype system based on the proposed model is introduced; furthermore, it has been shown as a dynamic and fine-granularity access control method through performance analyses and has also been demonstrated as a suitable system for grid environments. (C) 2009 Elsevier Inc. All rights reserved.
引用
收藏
页码：2618 / 2628
页数：11
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