DE10060123A1 - Multimedia information transmission method has communication network used for feeding multi-media information to decentralized communication devices supplying associated subscriber terminals - Google Patents

Abstract

The method has the multimedia information (vi), e.g. speech and video information, transmitted via at least one communication network (CORE,ACCESS) to a decentralized communication device (DSLAM1), for distribution to associated subscriber terminals and re-transmission to at least one further decentralized communication device (DSLAM2k) for distribution to further subscribers. Also included are Independent claims for the following: (a) a communications system; (b) a decentralized communication device

Description

There are several decentralized ones in current communication networks Communication facilities or several each via network connection facilities to the decentralized communication facility connected communication terminals via one or several subscriber access networks or subscriber access networks - also referred to as access networks - to a higher-level one Communication network connected.

In the subscriber access networks as well as in the superordinate ones Communication networks can have different transmission links drive - e.g. B. ATM, SDH, PDH, Frame Relay - or a Kombina tion of these transmission methods for the transmission of information mations are used.

Subscriber access networks are especially for the connection or for the access of participants to higher-level communication Networks designed and already have interfaces to existing transmission media or special, for the high Access interfaces provided for bit-rate data traffic on. For the connection of participants in the vicinity of participants Mer connection networks are different types of access technologies known, such as B.

Connections via copper double wire

The copper double wire is used in many cases in the home already available. With an appropriate connection technology can use these twin wires for the connection of high transm Participation-demanding participants - e.g. B. ATM participants - be used. Especially in this context probably asymmetrical as well as symmetrical, digital transmissions delivery process - e.g. B. ADSL, UDSL, VDSL, SDSL - used,  which has a high bandwidth towards the subscriber sen. Such transmission methods are also called xDSL Referred to transmission method. With such a connection system distribution systems, especially multimedia Distribution services - e.g. B. Radio and television - as well as on-demand services such as "video on demand" or broadband Internet communication - e.g. B. Video conferences - realized become. The use of xDSL transmission methods for the Connection of subscribers to the subscriber access network is in the Document "XpressLink - Broadband Access with xDSL Techno logie ", Siemens AG, 2000, Information and Communication Net works, D-81359 Munich, described as an example - page 8 and 9.

Connections via cable television lines

The coaxial cable used in the environment of cable television is widespread in the subscriber access area. The already in Installed coaxial cables can also be used for broadband be used to connect participants.

Connections via passive optical networks (PON - Passive Opti cal networks)

Based on PON's, fiber optic connections up to Ver dividing point at the edge of the network - Fiber To The Curb, FTTC become. From there you can transfer the information over copper twin wires into the building or apartment of the participant. With this connection technology can based on the SDH or PDH transmission technology high transmission speeds can be achieved. By the use of optical splitters can Access networks implemented with extensive tree structures become.

Connections via active optical networks (AON)

A star-shaped is typical for active optical networks Structure with active elements in the run-up to the network - e.g. B. one designed according to SDH transmission technology Cross Connect or outsourced facilities of an ATM Exchange. Active elements can also be active electrical or purely optical amplifier elements are used become.

Wireless connections or radio systems

Wireless subscriber line systems are also known to the person skilled in the art referred to as Wireless Local Loop (WLL) - based on Point-to-point radio relay systems and point-to-multipoint Directional radio systems known. For the wireless connection of Participants in the participant incremental network are also Lo cal Multipoint Distribution Systems (LMDS) and multichannel Mulitpoint Distrubution Systems (MMDS) known.

In the publication "Xpress Link - Broaden your Horizons" Siemens AG 2000, Information and Communication Networks, Hof mannstr. 51, Germany, Order No. A50001-N8-P60-2-7600, is the broadband connection of subscribers via subscriber Access networks described. On page 9 and 10 is the structure a broadband subscriber access network as an example shown. The subscriber access network shown shows several multiplexers and / or concentrators Decentralized communication device with properties services - DSLAM - to which one or more participants mer via network termination units - NT - are connected. Due to the decentralized communication facilities data traffic originating from the participants together composed or concentrated and over a uniform cut and possibly via a central access facility - here ATM access - to the higher-level communication network - here ATM backbone - forwarded.  

The implementation of distribution services via subscriber Access networks, for example the distribution of multimedia Information - e.g. B. Video broadcast or video on demand - are known to the person skilled in the art. In realizing such Distribution services have so far been the information to be transmitted tions - hereinafter also as broadcast information draws - from a central in the superordinate communication onsnetz arranged communication device - z. B. one ATM switch - multiple times via the subscriber access network or multiple times over separate transmission links or connections lines to the individual decentralized communication facility transmitted. The multiple within the scope of distribution services Transmission of broadcast information about the part However, the access network constitutes a waste of the Subscriber access network provided transmission resources represents.

The object of the invention is the realization of distribution services to improve and especially a bes sere exploitation of be through the subscriber access networks to achieve provided transmission resources. The on is given through a process, through the use of the Ver driving, through a communication arrangement and through a de central communication device for the communication Order according to the features of claims 1, 21, 23 and 34 solved.

The essential aspect of the method according to the invention be is that in at least one communication network stored broadcast information about the at least one Communication network to a first decentralized communication facility to be transmitted. In the first decentralized Communication device, the transmitted broadcast Information for a transmission or distribution at least part of the broadcast information transmitted to at least one of the first decentralized communication facilities device assigned subscriber line provided. The  Broadcast information transmitted will also be sent to at least one other decentralized communication device forwarded.

The main advantage of the inventive method be is that, for example, as part of a distribution broadcast information to be sent only once via the at least one communication network or subscriber Access network to a first decentralized communication facility tion transmitted and from this to any number of other de central communication facilities are forwarded. By avoiding multiple transmissions of the same In Information about the subscriber access network will be provided by the subscriber access network provided transmission res optimal use of resources. Furthermore, by the publishers Distribution functions on the side of the participants, d. H. on the part of the decentralized communication facilities no additional arrangement of distributors - e.g. B. SDH multicast systems - in the subscriber access network between the decentralized communication facilities and the superordinate communication network required. There is an advantage in Comparison with the distribution of information about PON Connection systems - passive optical networks - no restrictions the range and the number of calls following elements in the distribution tree.

According to an advantageous development of the invention Proceedings will be made in at least part of the other dezen central communication devices the transmitted rounds de-information in addition to at least one other dezen central communication device forwarded - claim 2. Through this advantageous development, with the help of method according to the invention nested at any depth Distribution networks for the realization of distribution services be opened. The nested ones decentralized communication devices can be used for transmission the broadcast information on individual connecting lines  with known transmission technology or via a or several communication networks can be connected to each other. The communication networks can be known according to current ter transmission process.

Be advantageous in at least one other decentra len communication device the transmitted broadcast Information for a transmission or distribution at least part of the broadcast information transmitted to at least one of the at least one other communication direction assigned subscriber line provided - to saying 3. In this advantageous embodiment of the inventions According to the method, the broadcast information is in the decentralized communication device for an internal one Distribution provided, d. H. if necessary they will be ready broadcast information or at least part of it forwarded to the respective subscriber line. It it should be noted that a decentralized communication device (at least temporarily) only to forward the receipts broadcast information to the connected white tere decentralized communication device can serve. In in this case, the broadcast information received is in the decentralized communication device for distribution provided, but will not be given to a participant finally forwarded. This is e.g. B. the case when from kei nem to this decentralized communication device closed participants requested broadcast information were.

According to a further advantageous embodiment of the inventions The procedure according to the invention is in decentralized communication the received broadcast information du copied or multiplied and then the received or multiply broadcast information approximately the same timely to the at least one to the at least one more decentralized communication device transmitted. At least part of the multiplied or received broadcast  Information is sent to at least one of the decentralized ones Subscriber connection assigned to the communication device transmitted. - Claim 4. Due to the advantageous duplication multiplication or multiplication of the received broadcast Information can be elaborate on the use of mediation technical functions - e.g. B. ATM switch functions - be dispensed with for the implementation of distribution services, so that distribution services with little technical effort and are therefore particularly economical to implement. By a copying the broadcast information to be distributed Without using switching functions, one is advantageous rapid duplication of broadcast information enough.

The broadcast information is advantageously repeated several times at the same time to the at least one other decentralized Communication device transmitted. In the at least one the Qua the multiple broadcast information checked and depending on the result of the check suitable broadcast information from the multiple transmitted ten broadcast information selected - Claim 5. By this advantageous embodiment will be the ones to be distributed Broadcast information is transmitted redundantly, one Increase in error security when transferring the Broadcast information is reached. For example best of all in a decentralized communication direction received data stream determined and accordingly white led or distributed.

The broadcast information can be at least partially include subscriber line individual broadcast information. The are in the decentralized communication facility subscriber line individual broadcast information from the received or multiplied broadcast information selected and the selected broadcast information to the forwarded corresponding subscriber line - claim  6. The subscriber line individual broadcast For example, information can go to a specific part subscriber line or subscriber addressed information which of the broadcast information sent selected or selected and addressed to the appropriate address ten subscriber line are forwarded. Through this advantageous further training can be subscriber-related distribution services such as video-on-demand are implemented, for which different, requested by different participants Information - e.g. B. Video information - as a common Data stream transmitted over the subscriber access network in the decentralized target communication facilities selected and forwarded to the respective or requesting participant become.

According to a development of the method according to the invention are also included in addition to the broadcast information Individual user information to the decenter len communication facilities transmitted. In the respective decentralized communication device to one Subscriber connection for broadcast information to be transmitted and subscriber line-specific user information together quantified and the summarized information to each forwarded subscriber line - claim 7. With Help of the subscriber connection-individual user information can, for example, subscriber-related, bidirectional Voice and data services can be realized. The broadcast Information can also be subscriber-individual Broadcast information include, each to one certain subscriber line to be broadcast and useful information can be summarized.

The broadcast information and the subscriber line individual user information can be shared via the at least one communication network to the decentralized communica tion device are transmitted, the common transmitted information in the decentralized communication device  processed separately and separately - Claim 8. This embodiment variant can be advantageous in high transmission resources providing communication networks are used, minimizing the admini strier effort in the implementation of distribution services is enough.

Alternatively, the subscriber line can be individual User information and the broadcast information separated over the at least one communication network or over under different communication networks to the respective decentralized Communication device are transmitted - claim 9. For example, the payload and the rounds de-information to be realized separately to the each optimally coordinated communication with the information services transmit networks, thereby exploiting the available standing transmission resources is further optimized. By the summary of the unidirectional broadcast and bidirectional user information is sent to the respective Subscriber connection of the decentralized communication device connected subscriber connection lines for unidirection nal and bidirectional types of service shared, so that optimal use of the provided transmission resources is achieved.

The broadcast information is from at least one in the at least one central communication network Communication device via the at least one communication tion network to the first decentralized communication facility transmitted - claim 15. The broadcasters are advantageous Information that is also subscriber-specific Broadcasting information can include, on different in servers arranged in the at least one communication network saved by different operators or Pro gramm providers - also known as providers can be. Through this further training, the reality Distribution services improved because of the arrangement  the broadcast information on different servers improved the available information, or the Pro variety of grams is promoted.

The subscriber line-specific user information will be advantageous of at least one other in the at least egg Central communication arranged in a communication network ons to the respective decentralized communication Direction transmitted - claim 16. The central communica tion facilities can also, for example, from below different network operators are operated, so that the the subscriber lines of decentralized communication directions connected participants from different Network operators with different types of information or other services can be supplied. The wide one re central communication device can for example egg ne arranged switching device in the telecommunications network.

According to a further development of the method, the at least one subscriber line transmitted information at least with the help of an xDSL transmission method a participant assigned to the subscriber line telt - Claim 17. Such a high transmission bandwidth te xDSL transmission methods are in particular suitable for high bit rate information, such as wise video information to the connected participants transferred to.

Alternatively, the at least one participant finally transmitted information about at least one An final communication network to at least one of the participants assigned subscriber transmitted - Claim 18. All known types of communication networks can be used for this and transmission methods are used. In particular can add additional network components such as routers, switches or multiplexer for subscriber switching or Distribution of information or subscriber line  individual information to the following Communication network arranged participants are used.

Further advantageous embodiments of the invention Procedure as well as a use of the procedure, a commu Nications arrangement for broadcasting broadcast information and a decentralized communication device for the commu Nikationsanordnung can be found in the other claims.

The method according to the invention is described below using a Block diagram explained in more detail.

The block diagram shows several network termination units NT1. , .n, which via a subscriber access network ACCESS and via a central access device ACC - also as an access switch designated - to a higher-level communication network CORE are connected. The higher-level communication network CORE and the central access unit assigned to it are ACC for example after the asynchronous transfer mode - ATM - designed. In the higher-level communication network CORE, NEN further access units - e.g. B. an on-board conveyor remote Access Server B-RAS and a Service Selection Server SSS, each indicated by a rectangle - to be arranged, through which a transition, for example, to an Internet protocol- or IP-oriented communication network IP for loading provision of IP-based services is made possible. Of others are a video server SERV as central communication onseinrichtung for realizing a unidirectional Ver facilities as well as a via the communication network CORE ver shared, internal company communication network VPN to the ordered communication network CORE connected.

To the individual network termination units NT1. , .n are each one or several participants or comm. assigned to the participants Communication terminals connected - not shown. The Network termination units NT1. , .n are each via a connection line AL to a subscriber line TA1. , .n from in the subscriber access network  ACCESS arranged, decentralized communication on units DSLAM1. , .k connected. The decentralized communication cation facilities DSLAM1. , .k are in this execution game as a digital access multiplexer - Digital Subscriber Line Access Multiplexer - designed by which the of or data traffic directed to the participants. or multiplexed. Those from a decentralized comm communication device DSLAM1. , .k connected participants towards the higher-level communication network CORE Averaging information is, for example, multiplexed and via a uniform interface to the parent Communication network forwarded to CORE. The individual part slave connections TA1. , .n in connection with each of them connected connecting lines AL are according to one for egg ne high-bit-rate data transmission provided xDSL Transmission procedures designed. Examples of such Transmission methods are ADSL, SDSL and VDSL Transmission method.

Each of the decentralized commu shown in the block diagram nication facilities DSLAM1. , .k has a first input EB and a second input EU, both inputs EB, EU each separately - for example via subscriber access network Access guided connections - to the central access ACC facility of the higher-level access network CORE are led. At the first input EB of each decentralized comm communication device DSLAM1. , .k are bidirectional le, subscriber line-individual voice and data information tions bi1. , .z for the realization of participant-related, bidi rectional data services.

According to the invention, the second input EU is connected via the individual decentralized communication devices DSLAM1. , .k too distributing, unidirectional broadcast information vi introduced. For this embodiment it is assumed that from the central in the higher-level communication network CORE arranged video server SERV unidirectional video  Information as broadcast information vi about the part subscriber access network ACCESS to the individual network termination units NT1. , .z should be transmitted.

According to the invention, the video to be distributed Information vi as a high bit rate data stream about the orderly communication network CORE, the central access direction ACC and via the subscriber access network ACCESS to the second input EU of the first decentralized communication direction DSLAM1 transmitted. In every decentralized communication tion device DSLAM1. , .k is a duplicating device LF arranged, which is connected to the second input EU. By the duplicating device LF, the second EU video video input vi copied or reproduced and the reproduced information vi je because of one in the respective decentralized communication establishment of DSLAM1. , .k arranged multiplexing device MUX forwarded. The multiplex device MUX is additional connected to the first input EB, at each of which the subscriber line-individual, bidirectional voice and Data information bi1. , .z are introduced. Through the multi plex device MUX each to a subscriber conclusion TA1. , .n video information to be transmitted vi and the corresponding subscriber line-individual voice and Data information bi1. , .2 merged or multiplexed and to the respective subscriber line TA1. , .n keep going tet. From the respective subscriber lines TA1. , .n will the forwarded, summarized information bi 1. , .z + vi in a known manner according to an xDSL Transmission method to the respective network termination units NT1. , .z transmitted.

The in every decentralized communication device DSLAM1. , .k arranged duplicating device LF is in accordance with the invention a further output AU of the decentralized communication towards DSLAM1. , .k connected. Be AU via this output the copied unidirectional video information vi to the  for the distribution of the unidirectional Vi according to the invention deo information provided, second input EU one second decentralized communication device DSLAM2 directed. The to the second entrance EU to the second decentra len communication device DSLAM2 introduced video Information vi is in the manner already described and Wei copied, if necessary with the corresponding subscriber line individual voice and data information bi1. , .z together caught and to the respective subscriber lines TA1. , .n white forwarded. Furthermore, the copied video Information vi about an output AU to the second input EU a third or nth decentralized communication direction DSLAMn forwarded.

It should be noted that the decentralized DSLAM1. , .k about mediated video information vi also subscriber line can include individual video information. example called his video-on-demand system, in which of un different participants, different video Information can be requested. These each under different participants or subscriber connections addressed Video information is considered common unidirectional Video data stream vi in the manner described to the individual decentralized communication devices DSLAM1. , .k transmitted or distributed. From the to every decentralized commu nikationseinrichtung DSLAM1. , .k transmitted video Information vi is through specially in the decentralized Communication facilities DSLAM1. , .k arranged selection with tel the part addressed to the respective participant subscriber connections relevant, subscriber connection-individual Video information selected and, if necessary, how be already explained, with the corresponding subscriber line individual voice and data information bi1. , .z together caught. The selection of the Vi addressed to a participant Deodorant information can, for example, with the help of known Mediation functions - e.g. B. ATM switch functions - take place, the selection according to the invention only after a  Multiplication of the transmitted video information vi is carried out.

The in the individual decentralized communication facilities DSLAM1. , .k arranged duplicating devices LF can designed for example as simple copying devices through which the video information vi Copied 1: 1 or 1: n and forwarded accordingly the. Are advantageous for the realization of the in the Dupli ornamental devices LF arranged copy functions no ver averaging functions required, resulting in a realizable with little technical effort and on Ge speed-optimized distribution of the unidirectional Vi deo information vi is reached. According to the invention the distribution of video information vi without using it of switching functions - e.g. B. without use of ATM multicast that can only be implemented with great effort Functions - which enables an extremely fast distribution of the Vi deo information vi about decentralized communication directions is achieved.

The inventive method has the advantage that the As part of a distribution service, for example within the framework of a Video distribution service to be transmitted video information vi only once from the higher-level communication network CORE the ACCESS subscriber access network to the first decentralized Communication device DSLAM1 must be transmitted. Then the video information to be distributed vi on the part of the respective decentralized communication directions DSLAM1. , .k copied or reproduced and then ß to the next decentralized comm communication equipment DSLAM1. , .k forwarded. The single decentralized in the ACCESS subscriber access network Communication facilities DSLAM1. , .k can both sternför mig as well as connected in series - also as "daisy chain chaining "- be connected, whereby an arbitrarily distributed or deeply nested  Distribution structure for the realization of distribution services most can be created.

Due to the separate transmission of the bidirectional, part individual connection voice and data information bi 1. , .z and the unidirectional video information vi about the ACCESS subscriber access network is only a small one Bandwidth requirement on the to any decentralized communication establishment of DSLAM1. , .k introduced, bidirectional transmission path required. By the possible separation the best existing, bidirectional data services from unidirectional Distribution services, future broadband distribution services most broadband multimedia services such as z. B. "Video on demand" easily and inexpensively de ACCESS subscriber access networks can be integrated, or can ACCESS existing subscriber access networks accordingly be retrofitted.

Despite the separate transmission of bidirectional and uni directional information bi1. , .z, vi about the participant ACCESS network will be directed towards participants th connecting cables AL1. , .n for both unidirectional and shared bidirectional services.

According to an alternative design variant - not shown posed - can use the bidirectional voice and Data information bi1. , .z and the unidirectional Broadcast information vi on a common, for example Transfer aimed at high bit rate data transmission transmission path to the first decentralized communication direction DSLAM1 are transmitted, whereby in the first de central communication facility the bidirectional court Language and data information bi1. , .z from the unidirek tional broadcasting information vi separately and processed accordingly.

Claims (41)

1. Method for broadcasting broadcast information (vi) via at least one communication network (CORE, ACCESS),
in which the broadcast information (vi) stored in the at least one communication network (CORE, ACCESS) is transmitted to a first decentralized communication device (DSLAM1) via the at least one communication network (CORE, ACCESS),
in which in the first decentralized communication device (DSLAM1) the transmitted broadcast information (vi) for a transmission or distribution of at least some of the transmitted broadcast information (vi) to at least one of the first decentralized communication device (DSLAM1) subscriber line (TA1. .n) are provided, and
in which the transmitted broadcast information (vi) is additionally forwarded to at least one further decentralized communication device (DSLAM2... k). 2. The method according to claim 1, characterized, that in at least part of the other decentralized commun kationseinrichtung (DSLAM2...) the transmitted broadcast Information (vi) additionally to at least one other de central communication device (DSLAMk) forwarded become. 3. The method according to claim 1 or 2, characterized, that in at least one other decentralized communication onseinrichtung (DSLAM2. .k) the transmitted broadcast Information (vi) for transmission or distribution at least part of the broadcast information transmitted (vi) to at least one of the at least one other dezen central communication device (DSLAM2...) assigned Subscriber connection (TA1. .N) are provided.   4. The method according to claim 1 or 2 or 3, characterized in
that the received broadcast information (vi) is duplicated or multiplied in the decentralized communication device (DSLAM1. .k), and
that the received or multiplied broadcast information (vi) is transmitted almost simultaneously to the at least one further decentralized communication device (DSLAM2. .k), and
that at least part of the multiplied or received broadcast information (vi) is transmitted to the at least one subscriber line (TA1. .n) assigned to the decentralized communication device (DSLAM1...). 5. The method according to any one of the preceding claims, characterized in
that the broadcast information (vi) is transmitted several times approximately simultaneously to the at least one further decentralized communication device (DSLAM2... k)
that the quality of the multiply transmitted broadcast information (vi) is checked in the at least one further decentralized communication device, and
that, depending on the result of the check, corresponding broadcast information (vi) is selected from the broadcast information (vi) transmitted several times. 6. The method according to any one of the preceding claims, characterized in
that the broadcast information (vi) comprises, at least in part, subscriber line-specific broadcast information (vi),
that in the decentralized communication device (DSLAM1...) selected the subscriber line-specific broadcast information from the received or multiplied broadcast information (vi) and the selected broadcast information (vi) to the corresponding subscriber line (TA1. .n ) to get redirected. 7. The method according to any one of the preceding claims, characterized in that
that in addition to the broadcast information (vi), subscriber line-specific user information (bi1... z) is also transmitted to the decentralized communication device (DSLAM1... k),
that in the respective decentralized communication device (DSLAM1.. .k) summarizes the to a subscriber line (TA1.. .n) to be transmitted via averaging broadcast information (vi) and subscriber connection-specific useful information (bi1. .z) and the summarized information (bi1... z + vi) to the respective subscriber line (TA1.. .n) are forwarded. 8. The method according to claim 7, characterized, that the broadcast information (vi) and the subscribers concluding individual useful information (bi1. .z) together via the at least one communication network (CORE, ACCESS) to the decentralized communication device (DSLAM1 ... K) transmitted the shared information (vi, bi 1. , .z) in the decentralized communication facility (DSLAM1. .K) separately and processed further. 9. The method according to claim 7, characterized, that the broadcast information (vi) and the subscribers conclusion-individual useful information (bi1... z) separately via the at least one communication network (CORE, ACCESS) or via different communication networks (CORE, ACCESS) the decentralized communication device (DSLAM1.. .k) be communicated 10. The method according to any one of the preceding claims,  characterized, that the broadcast information (vi) in the form of one or several unidirectionally directed data streams via the at least one communication network (CORE, ACCESS) transmitted become. 11. The method according to any one of the preceding claims, characterized, that the at least one communication network (CORE, ACCESS) ge according to one of the synchronous or plesiochronous digital hierarchies appropriate communication network or as a passive op table communication network and / or according to a package oriented and / or cell-oriented communication network is designed. 12. The method according to claim 11, characterized, that the at least one communication network (CORE, ACCESS) ge asynchronous transfer mode or frame relay or as TCP / IP or as Ethernet-compliant communication network or as a combination of at least part of this commu nication networks is designed. 13. The method according to any one of claims 7 to 12, characterized, that the decentralized communication device (DSLAM1 ... K) a Represents multiplexing device, the at the at least one subscriber line (TA1. .n) of the decentralized commu nikationseinrichtung (DSLAM1. .k) to be broadcast Information (vi) and subscriber line-individual Useful information (bi1. .Z) are multiplexed and the gemul tiplexed information (bi1. .z + vi) to the at least one Subscriber connection (TA1. .N) are forwarded. 14. The method according to any one of the preceding claims, characterized,  that the broadcast information (vi) star-shaped and / or in Form a daisy chain chain structure to the at least one further decentralized communication device (DSLAM2. .k) via be averaged. 15. The method according to any one of the preceding claims, characterized, that the broadcast information (vi) of at least one in the at least one communication network (CORE, ACCESS) parent, central communication device (SERV, IP) the at least one communication network (CORE, ACCESS) to the first decentralized communication device (DSLAM1) transmit be communicated. 16. The method according to any one of claims 7 to 15, characterized, that the subscriber line-individual user information (bi1. .z) of at least one other in the at least one Communication network (CORE, ACCESS) arranged, central Communication device (VPN, IP) via the at least one Communication network (CORE, ACCESS) to the respective decentralized Communication device (DSLAM1 ... K) are transmitted. 17. The method according to any one of the preceding claims, characterized, that the to the at least one subscriber line (TA1. .n) transmitted information (bi1. .z + vi) with the help of an xDSL Transfer procedure to at least one of the participants conclusion (TA1. .n) assigned participants. 18. The method according to any one of claims 1 to 17, characterized, that the to the at least one subscriber line (TA1. .n) transmitted information (bi1... z + vi) about at least one An final communication network to at least one of the participants connection (TA1 ... .n) assigned to participants.   19. Communication arrangement according to claim 18, characterized, that the at least one subscriber line (TA1. .n) and that too at least one connection communication network according to one of the correspond to synchronous or plesiochronous digital hierarchy appropriate communication network or as a passive optical communication network and / or according to a package-oriented and / or cell-oriented communication network is designed. 20. Communication arrangement according to claim 19, characterized, that the at least one subscriber line (TA1. .n) and that too at least one connection communication network according to the Asyn chronic transfer mode or according to frame relay or as TCP / IP or as an Ethernet-compliant communication network or is designed as a combination of these communication networks. 21. Use of the method according to one of the preceding An sayings to implement on-demand services or multimedia Distribution services where multimedia information as Broadcast information (vi) about at least one communicati onsnetz (CORE, ACCESS) are transmitted. 22. Use according to claim 21, wherein the multimedia Information (vi) voice and / or video information believe it. 23. Communication arrangement for broadcasting broadcast information (vi) via at least one communication network (CORE, ACCESS),
with means arranged in the communication network (CORE, ACCESS) for transmitting the broadcast information (vi) from at least one central communication device (SERV) to a first decentralized communication device (DSLAM1),
with means arranged in the first decentralized communication device (DSLAM1)
to provide the transmitted broadcast information (vi) for a transmission or distribution of at least part of the transmitted broadcast information (vi) to at least one subscriber connection (TA1. .n) assigned to the first decentralized communication device (DSLAM1), and
for additional forwarding of the received broadcast information (vi) to at least one further decentralized communication device (DSLAM2...) connected to the first decentralized communication device (DSLAM1). 24. Communication arrangement according to claim 23, characterized, that in at least part of the at least one other de central communication facility (DSLAM2... k) means pre are seen through which the transmitted broadcast Information (vi) additionally to at least one other de central communication device (DSLAMk) forwarded become. 25. Communication arrangement according to claim 23 or 24, characterized, that in at least one other decentralized communication onseinrichtung (DSLAM2 ... K) means to provide the over averaged broadcast information (vi) for transmission or distribution of at least part of the transmitted Broadcast information (vi) to at least one of the at least one another decentralized communication device (DSLAM1) assigned subscriber line (TA1. .n) are arranged. 26. Communication arrangement according to claim 23 or 24 or 25, characterized in that in the decentralized communication device (DSLAM1 ... K)
Copying means (LF) for duplicating or reproducing the received broadcast information (vi) are arranged, and
medium
for the approximately simultaneous forwarding of the broadcast information (vi) or the multiplied broadcast information (vi) to the at least one further decentralized communication device (DSLAM2. .k) and
for forwarding at least part of the multiplied or received broadcast information (vi) to the at least one subscriber line (TA1.. .n) of the decentralized communication device (DSLAM1.. .k) are provided. 27. Communication arrangement according to one of claims 23 to 26, characterized in that
that in the decentralized communication device (DSLAM1... k), detection means for detecting subscriber-specific individual broadcast information (vi) contained in the received broadcast information (vi) are arranged,
that the detection means are designed in such a way that the subscriber line-specific broadcast information is recorded in the received or multiplied broadcast information (vi), selected and the selected broadcast information (vi) to the at least one corresponding subscriber line (TA1. .n ) to get redirected. 28. Communication arrangement according to one of claims 23 to 27, characterized in that in the decentralized communication device (DSLAM1 ... K)
additional receiving means for receiving subscriber-specific user information (bi1... z) are arranged, and
Means (MUX) are provided, by means of which the broadcast information (vi) to be transmitted to a subscriber line (TA1.. .N) of the decentralized communication device (DSLAM1... K) or the selected broadcast information and the subscriber line-specific Useful information (bi1. .Z) summarized and the summarized information (bi1.. .Z + vi) are forwarded to the respective subscriber line (TA1.. .N). 29. Communication arrangement according to claim 28, characterized, that the summarizing means (MUX) as multiplexing means are designed, by which the at least one Subscriber connection (TA1. .N) of the decentralized communication direction (DSLAM. .k) for broadcast information to be transmitted (vi) or the selected broadcast information and at least at least part of the subscriber line-specific user information mations (bi1. .z) are multiplexed and the multiplexed Information (bi1. .Z + vi) to the at least one participant in the end (TA1. .n). 30. Communication arrangement according to one of claims 23 to 29 characterized, that the at least one of the decentralized communication facilities device (DSLAM1.. .k) assigned subscriber line (TA1.. .n) according to an xDSL transmission technology is configured, wherein which transmit to the at least one subscriber line (TA1. .n) telten information (bi1... z + vi) via a connecting line (AL) with the help of an xDSL transmission method to a Subscriber connection (TA1. .N) assigned network termination device tion (NT1. .z) are transmitted. 31. Communication arrangement according to one of claims 23 to 30 characterized, that there is at least one of the decentralized communications direction (DSLAM1.. .k) assigned subscriber line (TA1.. .n) at least one connection communication network is connected, a via the at least one connection communication network or more participants with the subscriber line (TA1. .n) are connectable.   32. Communication arrangement according to claim 31, characterized, that the at least one subscriber line (TA1. .n) and that too at least one connection communication network according to one of the syn chronical or plesiochronous digital hierarchy the communication network or as a passive optical communication tion network and / or according to a package-oriented and / or cell-oriented communication network are designed. 33. Communication arrangement according to claim 32, characterized, that the at least one subscriber line (TA1. .n) and that too at least one connection communication network according to the Asynchro NEN transfer mode or according to frame relay or as TCP / IP or as an Ethernet-compliant communication network or as a comm combination of at least part of these communication networks are designed. 34. Decentralized communication device for a communication arrangement according to one of claims 23 to 34,
with at least one subscriber line (TA1. .n) assigned to the decentralized communication device (DSLAM1... k),
with receiving means for receiving broadcast information (vi) transmitted via at least one communication network (CORE, ACCESS) to at least one first input (EU) of the decentralized communication device (DSLAM1... k),
with distribution means (LF, MUX)
to provide the received broadcast information (vi) for a transmission or distribution of at least part of the transmitted broadcast information (vi) to at least one subscriber line (TA1. .n) assigned to the decentralized communication device (DSLAM1...), and
for additionally forwarding the received broadcast information (vi) to at least one output (AU) of the decentralized communication device (DSLAM1.. .k), at least one further decentralized communication device (DSLAM2... ) for forwarding or distribution of the broadcast information (vi) can be connected. 35. Decentralized communication device according to claim 34, characterized in that
that the distribution means (LF, MUX) comprise duplicator means or multiplication means (LF) by which the received broadcast information (vi) is duplicated or multiplied,
that the multiplication means (LF) are designed in such a way that the broadcast information (vi) or the multiplied broadcast information (vi) are forwarded to the at least one output (AU) at approximately the same time,
that the distribution means (LF, MUX) are designed in such a way that at least some of the received or multiplied broadcast information is forwarded to the at least one subscriber terminal (TA1... n). 36. Decentralized communication device according to claim 34 or 35, characterized in
that in the decentralized communication device (DSLAM1... k) detection means (MUX) are arranged for detecting the subscriber line-specific broadcast information (vi) contained in the received or multiplied broadcast information (vi),
that the detection means (MUX) are assigned additional selection means by which the subscriber line-specific broadcast information is recorded in the received or multiplied broadcast information (vi), selected and the selected broadcast information (vi) to the at least one corresponding subscriber in the end (TA1. .n). 37. Decentralized communication device according to one of claims 34 to 36, characterized in that
that the receiving means are designed to receive user information (bi1... z) which is additionally brought to the first and / or at least one second input,
that means (MUX) for summarizing the broadcast de-information (vi) to be transmitted to the at least one subscriber line (TA1. .n) or the selected broadcast information (vi) and the respective subscriber line-specific useful information (bi1... z) are provided, the combined information (bi1.. .z + vi) being forwarded to the at least one subscriber line (TA1.. .n). 38. Decentralized communication device according to one of the An sayings 34 to 37, characterized, that the at least one of the decentralized communication facilities device (DSLAM1.. .k) assigned subscriber line (TA1.. .n) according to an xDSL transmission technology is configured, wherein which transmit to the at least one subscriber line (TA1. .n) provided information (bi1... z + vi) about a connectable An final line (AL) with the help of an xDSL Transmission procedure to a subscriber line (TA1. .N) assigned network termination device (NT1. .z) are transferable. 39. Decentralized communication device according to one of the An sayings 34 to 38, characterized, that there is at least one of the decentralized communications direction (DSLAM1.. .k) assigned subscriber line (TA1.. .n) at least one connection communication network can be connected, a via the at least one connection communication network or more participants in the at least one participant conclusion (TA1. .n) can be connected.   40. Decentralized communication device according to claim 39, characterized, that the at least one subscriber line (TA1. .n) according to a the synchronous or plesiochronous digital hierarchy speaking transmission method and / or according to a pake oriented and / or cell-oriented transmission process ren is designed. 41. Decentralized communication device according to claim 40, characterized, that the at least one subscriber line (TA1. .n) according to the Asynchronous transfer mode or according to frame relay or according to a TCP / IP-compliant or Ethernet-compliant communication onsnetz is designed.