Definition - What does Video on Demand (VoD) mean?
Video on demand (VoD) is a system that allows users to select and watch video content of their choice on their TVs or computers. Video on demand is one of the dynamic features offered by Internet Protocol TV. VoD provides users with a menu of available videos from which to choose. The video data is transmitted via Real-Time Streaming Protocol.
Video on demand allows viewers to request immediate access to video content on their PCs or TVs. VoD provides a wide selection of video programming including sports, entertainment, educational programs and feature films. In general, TV is based on broadcast technology, while VoD is provided as a unicast transmission. VoD is also very commonly used for videoconferencing. Although VoD is very popular, it is not widely used due to the bandwidth limitations of current networks.