Development of a New Non-Blocking Commit Protocol for High Availability Distributed Database Systems by M. Tayyab Shahzad. This text contains the developmental model of author's newly proposed "Non-Blocking Commit Protocol for High Availability Distributed Database Systems. Author has very carefully narrated the step by step development of his proposed model. Concepts are carefully integrated, presentation and illustration of subject matter is beautifully arranged for better understanding of reader. This book provides the readers with most current trends in the field of distributed database systems.