This book provides a comprehensive theory exam Internet QoS, standards, implementation and deployment of network vendors point of view of practitioners, including extensive discussion about economic issues and related regulations. Finally, the authors discuss the evolution of future Internet QoS from the perspective of philosophy and lets the reader draw conclusions. This book is the first book to provide QoS in-depth coverage on commercial and regulatory aspects of QoS, in addition to technical aspects. From it, readers can understand the commercial and regulatory issues of QoS and its implications on the overall QoS business model. This book is also the first QoS book provides case studies of QoS real-world deployment, the contributions by people who do the actual deployment. This book is also the first QoS book to cover both wireline and wireless QoS QoS. * The only book to discuss QoS technology in relation to economic and regulatory issues * Includes case studies based on real-world examples from industry practitioners. * Provides a unique insight into how to improve the current QoS model to create a clear selling point, less regulatory uncertainty, and a higher chance of success spread.