IP over DVB or IP over MPEG implies that Internet Protocol datagrams are transferred over the MPEG transport stream, and are distributed using some digital television system, for example DVB-H, DVB-T, DVB-S or DVB-C.
Application examples
- Data broadcast (datacast), for example a data carousel sending programme information and media over and over again.
- IP Multicast, for sending media efficiently to a limited group of subscribing users, using only the transmitter towers where users for the moment are situated.
- interactive TV services
- To provide internet access by utilizing the DVB system as a broadband downlink, in combination with some narrow-band duplex system. Examples:
- Satellite Internet access, e.g. to buildings in the countryside, using a telephone modem as the back-channel
- Broadband Internet access to trains
- Mobile broadband internet access to cellular phones including a mobile TV receiver, for example a DVB-H receiver.
Return channels
All services except the first requires some kind of return channel.
Protocols for IP over MPEG transport stream
- MPEG Multiprotocol encapsulation (MPE), or ETSI-DAT. EN 301 192, "Specifications for Data Broadcasting", European Telecommunications Standards Institute(ETSI), 2004.
- MPEG Unidirectional Lightweight Encapsulation (ULE) (RFC 4326)
- Unidirectional link (UDE)
- DVB-H IP datacasting IPDC
DVB-IPTV
DVB-IPTV is an open DVB standard that enables Audio/Video services to be delivered to and through the home via Internet Protocol networking. DVB-IPTV was formerly known as DVB-IPI.
See also
- DVB-MHP (Multimedia Home Platform)