It provides IP-broadcast television channels so that each channel has its own unique address and port IP Multicast. The signal is received by the system MMDS (Multichannel multipoint distribution service), that is supplied through a specially installed antenna. It occurs encapsulation DVB-signals in IP-packets, and then through the IP-based network operator signal reaches the client. The signal is in IP-based network in MPEG 2 or MPEG 4, the latter times reduces the load on the network. Also streamers, is an important component of the station server VoD - Video server with disk array large capacity for storing video and special software.
It allows multicast-broadcast video mode Near VoD («virtual cinema" - when the screenings are constantly with a slight shift in time), or access to video using RTSP protocol for True VoD. Typically, a video server can also intercept and record multicast-flows, which is used to implement services PVR (Personal Video Recorder). Multicast-flows allow you to provide services to an unlimited number of users.
This is especially true for the PPV (pay per view) - a service that allows the user to see certain TV event for a fee. This service, for example, are often bought for watching sports events or games. The service is available to many members at the same time according to the schedule of events. The provision of such services can reduce the load on the network and minimize video traffic.
