This volume contains a systematic presentation of exact and approximate results for open and closed queueing networks with blocking. Topics include: exact analysis of two-node open queueing networks with blocking, approximate decomposition algorithms for tandem and arbitrary configurations of open queueing networks with blocking, exact product-form solutions for closed queueing networks with blocking, and approximate solutions for non-product form closed queueing networks with blocking. Related topics are discussed as well, including equivalencies of blocking mechanisms, numerical solutions for Markov chains, and real-life applications of queueing networks with blocking. Each chapter is augmented with an extensive literature and references. Ideal for researchers, students, and professionals involved with the performance evaluation of computers, communication networks, and production systems, the book is a must for those who would like to learn how to analyze queueing networks with blocking.