Generalizing earlier work on staffing and routing in telephone call centers, we consider a processing network model with large server pools and doubly stochastic input flows. In this model the processing of a job may involve several distinct operations. Alternative processing modes are also...

1 Introduction and summary -- 2 Basic concepts of reliability analysis -- 2.1 Mission profile, reliability block diagram -- 2.2 Failure rate -- 2.3 Reliability function, MTTF, MTBF -- 2.4 More general considerations on the concept of redundancy -- 2.5 Failure mode analysis and other reliability...