Video on Demand is regarded as one of the most important applications of the future interactive TV. It will let people rent movies directly from their living room, by using a remote control to select the desired movie. The movie is then sent to the TV in a similar way as digital TV. This book proposes solutions to various problems that have slowed the adoption of VoD systems for years. The solutions deal with cost-effectiveness of VoD systems, interoperability of different components, ease of use for clients and providers alike.