A Novel Automated Trust Negotiation Framework for Securing Grids

Authors:
Shangyuan Guan;Yiduo Mei;Xiaoshe Dong;Zhao Wang;Zhengdong Zhu
Affiliations:
School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an, China 710049;School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an, China 710049;School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an, China 710049;School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an, China 710049;School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an, China 710049
Venue:
Computer Supported Cooperative Work in Design IV
Year:
2008

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Abstract

Automated Trust Negotiation (ATN) is a promising approach to allowing strangers to access sensitive services in open environments. Although many ATN systems are proposed, some issues still remain to be addressed: 1) they are centralized and cannot scale well; and 2) their policy languages are coarse-grained. To address the above problems and secure grids, we present a novel automated trust negotiation framework, FORT, to establish trust relationship between service providers and service requesters. FORT is decentralized, so it scales well. Furthermore, we utilize attribute constraints to refine its language. This paper implements FORT and designs experiments to evaluate its performance. Experimental results show that FORT can effectively protect sensitive services at the cost of little performance of systems and scale well.