Affiliations: Department of Computer Science, University of Oran1 Ahmed Ben Bella, Oran, Algeria
Corresponding author: Yagoubi Belabbas, Department of Computer Science, University of Oran1 Ahmed Ben Bella, Oran, Algeria. E-mail:firstname.lastname@example.org
Abstract: More and more complex scientific workflows are now executed on computational Grids. In addition to the
challenges of managing and scheduling resources, reliable challenges arise because the Grid infrastructure is unreliable. Current Grid systems mainly exploit fault tolerance mechanisms to guarantee the dependable workflow execution, which wastes system resources. In this paper, we have chosen an alternative way for reliable workflow scheduling, schedule tasks replicas to resources with the objective of meeting a reliability requirement, in such a way that all tasks are replicated with less resource consumption, using Passive Dynamic Replication of Tasks method namely (PDRT).