Stochastic models in queueing theory This is a graduate level textbook that covers the fundamental topics in queuing theory. The book has a broad coverage of methods to calculate important probabilities and gives attention to proving the general theorems. It includes many recent topics such as server vacation models diffusion approximations and optimal operating policies and more about bulk arrival and bull service models than other general texts. * Current clear and comprehensive coverage * A wealth of interesting and relevant examples and exercises to reinforce concepts * Reference lists provided after each chapter for further investigation Stochastic Processes; Queueing Systems: General Concepts; Birth and Death Queueing Systems: Exponential Models; Non Birth and Death Queueing Systems: Markovian Models; Network of Queues; Non Markovian Queueing Systems; Queues with General Arrival Time and Service Time Distributions 333; Miscellaneous Topics