IP over DVB implies that

Internet Protocol The Internet Protocol (IP) is the network layer communications protocol in the Internet protocol suite for relaying datagrams across network boundaries. Its routing function enables internetworking, and essentially establishes the Internet. ...

datagrams are distributed using some digital television system, for example

DVB-H DVB-H (Digital Video Broadcasting - Handheld) is one of three prevalent mobile TV formats. It is a technical specification for bringing broadcast services to mobile handsets. DVB-H was formally adopted as ETSI standard EN 302 304 in November 2 ...

DVB-T DVB-T, short for Digital Video Broadcasting – Terrestrial, is the DVB European-based consortium standard for the broadcast transmission of digital terrestrial television that was first published in 1997 and first broadcast in Singapore in Feb ...

DVB-S Digital Video Broadcasting – Satellite (DVB-S) is the original DVB standard for Satellite Television and dates from 1995, in its first release, while development lasted from 1993 to 1997. The first commercial applications was by Star TV in Asia ...

DVB-C Digital Video Broadcasting - Cable (DVB-C) is the DVB European consortium standard for the broadcast transmission of digital television over cable. This system transmits an MPEG-2 or MPEG-4 family digital audio/digital video stream, using a QAM ...

or their successors like

DVB-S2 Digital Video Broadcasting - Satellite - Second Generation (DVB-S2) is a digital television broadcast standard that has been designed as a successor for the popular DVB-S system. It was developed in 2003 by the Digital Video Broadcasting Projec ...

. This may take the form of IP over MPEG, where the datagrams are transferred over the

MPEG The Moving Picture Experts Group (MPEG) is an alliance of working groups established jointly by ISO and IEC that sets standards for media coding, including compression coding of audio, video, graphics, and genomic data; and transmission and f ...

transport stream MPEG transport stream (MPEG-TS, MTS) or simply transport stream (TS) is a standard digital container format for transmission and storage of audio, video, and Program and System Information Protocol (PSIP) data. It is used in broadcast systems ...

, or the datagrams may be carried in the DVB baseband frames directly, as in GSE.

Application examples

* Data broadcast ( datacast), for example a data carousel sending programme information and media over and over again. *

IP multicast IP multicast is a method of sending Internet Protocol (IP) datagrams to a group of interested receivers in a single transmission. It is the IP-specific form of multicast and is used for streaming media and other network applications. It uses speci ...

, 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 Satellite Internet access is Internet access provided through communication satellites. Modern consumer grade satellite Internet service is typically provided to individual users through geostationary satellites that can offer relatively high d ...

, 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

receiver.

Return channels

All services except the first requires some kind of return channel. *

DVB-RCT DVB-RCT (Digital Video Broadcasting - Return Channel Terrestrial), provides a method by which the DVB-T (and in theory DVB-T2 but DVB-T2 probably trialled first about 5 years after last DVB-RCT field trial) platform can become a bi-directional, asym ...

(DVB return channel terrestrial) * POTS modems *

ADSL Asymmetric digital subscriber line (ADSL) is a type of digital subscriber line (DSL) technology, a data communications technology that enables faster data transmission over copper telephone lines than a conventional voiceband modem can provide. ...

GPRS General Packet Radio Service (GPRS) is a packet oriented mobile data standard on the 2G and 3G cellular communication network's global system for mobile communications (GSM). GPRS was established by European Telecommunications Standards Ins ...

* 3G *

DOCSIS Data Over Cable Service Interface Specification (DOCSIS) is an international telecommunications standard that permits the addition of high-bandwidth data transfer to an existing cable television (CATV) system. It is used by many cable televisio ...

(Cable Modems)

Protocols for IP over DVB base band frames

Generic Stream Encapsulation Generic Stream Encapsulation, or GSE for short, is a Data link layer protocol defined by DVB. GSE provides means to carry packet oriented protocols such as IP on top of uni-directional physical layers such as DVB-S2, DVB-T2 and DVB-C2. GSE pro ...

(GSE),

ETSI The European Telecommunications Standards Institute (ETSI) is an independent, not-for-profit, standardization organization in the field of information and communications. ETSI supports the development and testing of global technical standard ...

TS 102 606: "Digital Video Broadcasting (DVB); Generic Stream Encapsulation (GSE) Protocol", European Telecommunications Standard Institute (ETSI)

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) *

datacasting Datacasting (data broadcasting) is the broadcasting of data over a wide area via radio waves. It most often refers to supplemental information sent by television stations along with digital terrestrial television (DTT), but may also be applied ...

IPDC

DVB-IPTV

DVB-IPTV is an

open Open or OPEN may refer to: Music * Open (band), Australian pop/rock band * The Open (band), English indie rock band * Open (Blues Image album), ''Open'' (Blues Image album), 1969 * Open (Gotthard album), ''Open'' (Gotthard album), 1999 * Open (C ...

DVB Digital Video Broadcasting (DVB) is a set of international open standards for digital television. DVB standards are maintained by the DVB Project, an international industry consortium, and are published by a Joint Technical Committee (JTC) o ...

standard that enables Audio/Video services to be delivered to and through the home via

networking. DVB-IPTV was formerly known as DVB-IPI.

References

External links

*{{homepage
DVB Specifications (Standards & BlueBooks)
Interactive television Digital Video Broadcasting