Video Over IP: What it Means for Satellite Service Providers

by Dr. Andrea Franz and Dr. Gerhard Franz

With the introduction of digital TV a new way of video transport and delivery has emerged, using the Internet Protocol (IP). Video over IP is a general term to describe the use of IP in any or all stages of video transport to the subscriber (or end-customer). This has to be distinguished from the term IPTV, which means specifically the delivery of video as an IP stream to the subscriber set-top box or TV set. All digital video today that is broadcast, transported over satellite or distributed in cable systems is using the MPEG transport stream (TS) communications protocol. This worldwide standard describes the way a digital TV signal (audio, video and data) is encapsulated in a specific container format. It also includes metadata such as electronic program guides (EPG).

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