Performance Modelling and Markov Chains.- Queueing Networks.- to Generalized Stochastic Petri Nets.- Stochastic Process Algebras.- A Survey of Markovian Behavioral Equivalences.- Stochastic Model Checking.- Fluid Models in Performance Analysis.- Tackling Large State Spaces in Performance Modelling.- Data Representation and Efficient Solution: A Decision Diagram Approach.- to Software Performance Engineering: Origins and Outstanding Problems.- From Annotated Software Designs (UML SPT/MARTE) to Model Formalisms.