A Hierarchical Approach to Dependability Evaluation of Distributed Systems with Replicated Resources

摘要

We propose a two-level hierarchical method for dependability evaluation of distributed systems with replicated programs and data files. Since Markov modeling is limited only to each component in this method, state explosion can be circum- vented successfully. Simulation results show that the method can accomplish evaluation even for large systems for which Markov modeling is not feasible.