Ensuring secure and robust grid applications – from a formal method point of view

Authors:
Ke Xu;Yuexuan Wang;Cheng Wu
Affiliations:
Department of Automation, Tsinghua University, Beijing, China;Department of Automation, Tsinghua University, Beijing, China;Department of Automation, Tsinghua University, Beijing, China
Venue:
GPC'06 Proceedings of the First international conference on Advances in Grid and Pervasive Computing
Year:
2006

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Abstract

Ensuring the reliability and robustness of complex scientific grid applications is a critical issue for managing and sharing expensive scientific instruments. However, guaranteeing the correct processing of grid applications under all circumstances is difficult and not fully addressed by existing grid infrastructure. Hidden flaws in the applications including unexpected internal behaviors, dissatisfaction of real-time constraints, incompatibility in service interactions, etc may lead to subtle failures in grid systems. This work tries to enhance the trustworthiness of grid applications by investigating existing formal techniques and their extensions. A formal framework based on extensions of Pi calculus is proposed which also integrates formal techniques of model checking and bisimulation analysis to enable the reasoning of grid applications from three perspectives: data, time and behavior. In addition, both application examples and our current implementation architecture are also concluded.