Multimedia content, regardless of transmission, can be extremely variable and relative can be used. The most important are briefly mentioned: the use of linear sub-consuming means of classic TV channels with a fixed broadcast schedule. Linear TV is also received via the Internet. Non-linear best-known use is the so-called Video-On-Demand (VOD)-method. This video content can be retrieved on request. Differences are the following variants: In the “Streaming” video data are simultaneously received and played back, the technology is the Internet equivalent of conventional systems such as radio or television. In the “Download”, the video or the film before the viewing to be fully downloaded. The “progressive download” loads data into a buffer and allows the viewing of videos during the download process. The following VOD systems can be distinguished:

• Near Video on Demand (NVOD) is similar to the VOD , the movie start time can not be arbitrarily chosen. The launches take place at fixed intervals, eg every hour. Pay-TV providers such as Premiere already have this technology for many years.
• Pay-Per-View (PPV): For each film will be seen paid.
• download-to-Own: content can be downloaded and used indefinitely.
• Download-To-Rent: Contents may be downloaded, use is however limited in time.
• subscription video-on-demand subscription (SVoD subscription): Here the customer gets a fixed charge against unlimited access to certain programs.
• Personal Video Recorder (PVR): Records similar to the video, picture and sound on stopping, but on digital formats such as hard disks or DVDs. Per network cable can these on the home network or the Internet and operate remotely.

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