... focuses on reliability modeling, analysis and optimization of some practical systems The key issues include system reliability, software reliability, network reliability, weighted voting system, ... Markov chain to formulate the hardware system, software system and distributed computing system to evaluate and analyze the system reliability (service reliability) Dai et al (2003a) incorporate ... some new developed computing systems, such as weighed voting systems, p2p computing system, grid computing systems, and etc, analysis on current reliability models, and strategies of optimal resource...