Its aim is to impart to students knowledge and skills in developing communication protocols and in analysing the performance of computer systems using formal techniques. Main topics include Communication protocol development methodology, informal specification, formal specification, communication modelling and analysis protocol verification, Formal Description Techniques, Extended Finite State Machine, Coloured Petri Nets, reachability analysis, verification methodology, protocol properties, verification tool, conformance testing, interoperability testing, Computer-Aided Tool, performance analysis, performance Stochastic process, modelling techniques like Generalised Stochastic Petri Nets and Markov Chains, Poisson Process, Exponential probability density function, Cumulative probability function, performance analysis tool, performance index .