Special Issue on Critical Reliability Challenges and Practices [Guest Editorial]

The six papers in this special issue address various research challenges in the reliability-related areas including optimization, software reliability and measurements, network reliability, software quality, semisupervised learning, Bayesian approach, statistical anomaly detection, flooding attacks, genetic algorithms, multistate systems, system redundancy, service reliability, multiparadigm modeling, heuristic algorithms, and grid and distributed computing. The selected papers are briefly summarized.