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WO1999012320A1 - Method for increasing the data transfer rate while ensuring real time mode - Google Patents

Method for increasing the data transfer rate while ensuring real time mode Download PDF

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Publication number
WO1999012320A1
WO1999012320A1 PCT/EP1998/005257 EP9805257W WO9912320A1 WO 1999012320 A1 WO1999012320 A1 WO 1999012320A1 EP 9805257 W EP9805257 W EP 9805257W WO 9912320 A1 WO9912320 A1 WO 9912320A1
Authority
WO
WIPO (PCT)
Prior art keywords
isdn
user
data
customer
server system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP1998/005257
Other languages
German (de)
French (fr)
Inventor
Hans-Joachim Scheidemann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deutsche Telekom AG
Original Assignee
Deutsche Telekom AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Deutsche Telekom AG filed Critical Deutsche Telekom AG
Priority to EP98946377A priority Critical patent/EP1036454A1/en
Publication of WO1999012320A1 publication Critical patent/WO1999012320A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0435—Details
    • H04Q11/0457—Connection protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13091—CLI, identification of calling line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13095—PIN / Access code, authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13096—Digital apparatus individually associated with a subscriber line, digital line circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13097—Numbering, addressing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13103—Memory
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13141—Hunting for free outlet, circuit or channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13152—Callback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13174—Data transmission, file transfer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13179—Fax, still picture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13208—Inverse multiplexing, channel bonding, e.g. TSSI aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13209—ISDN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13376—Information service, downloading of information, 0800/0900 services

Definitions

  • the method according to the invention is aimed at the transmission of data deliveries in real-time mode when accessing data services from service providers.
  • IP information provider
  • Fig. La shows the data transfer from and to the user / customer, as is customary in the known prior art.
  • a maximum bit rate of 1.92 Mbit / s and a user / customer-related data transfer rate of 1 Kbit / s results in a corresponding division of 1.92 Mbit / s divided by the number of virtual user channels. So every user / customer has a temporary bit rate available.
  • Fig. 1 b shows such an example.
  • a data rate of, for example, 112 kbit / s for two user customers it becomes clear that the remaining bit rate is to be divided by the number of bit rates required by the user / customer.
  • the data stream of e.g. B. 112 kbit / s can not be transferred continuously. There is a discontinuous data transmission, so that a real-time application in the necessary quality and bit rate can no longer be guaranteed.
  • the method according to the invention is aimed at a method which guarantees the bit rates that are necessary for the delivery of data in real-time mode for each individual user / customer even if a maximum number of users / customers access the data network.
  • the user / customer dials in to the desired service of the service provider via his ISDN data terminal via his access platform.
  • the connection is established via the first control data transmission path, ISDN user channel B1.
  • the user / customer previously had to handle his data transfer for orders also via the already existing connection and thus via the ISDN user channel B1. This option remains as before, but is limited to data deliveries of a limited scope.
  • the solution according to the invention is based on providing at least one additional ISDN connection for the delivery of data to the customer, which is connected between the AVS server system and the user / customer.
  • every user / customer already on the network can access an additional ISDN data connection for the delivery of data online .
  • This connection which is switched between the user / customer and the AVS server system, is referred to below as ISDN bypass.
  • the connection establishment for the ISDN bypass is triggered by the user / customer, for example, through an order process.
  • connection is established backwards from the AVS server system to the user / customer. Triggered by the ordering process, the user / customer is selected by the AVS server system.
  • the second ISDN user channel B2 of the user / customer available in the context of the ISDN is used to establish the connection.
  • the method according to the invention gives the user / customer the possibility of individually increasing the data rate from, for example, 64 kbit / s to 128 kbit / s.
  • FIG. 2 shows the principle of operation of the method according to the invention on the basis of a block diagram in which the way of the online delivery of data via the ISDN bypass is shown. is posed.
  • FIG. 3 a shows the principle of data transfer using the method according to the invention when providing an ISDN user channel for data delivery to the user / customer.
  • FIG. 3 b shows the principle of data transfer using the method according to the invention when two ISDN user channels are provided for the data delivery to the user customer.
  • the user / customer dials into his access platform via his provider / provider and, after appropriate selection, arrives at the external computer ER (here T-Online8.1) or at the Point of Presents POP (here InternetInstitut). Via the ER or POP, the user / customer receives corresponding purchase offers from the offer of the service provider selected by him (Fig. 2).
  • ER here T-Online8.1
  • POP Point of Presents
  • the customer dials into the online shop of the "Music on Demand” data service and can choose from a number of music tracks on offer. Communication takes place via the user / customer route ISDN channel Bl to the service provider via the T-Online or access platform Internet and on to ER or POP and back.
  • the feedback is given in the same way via the selection made by the user / customer.
  • second ISDN user channel B2 (second ISDN user channel B2) to the user / customer. Triggered by the ordering process the user / customer is automatically dialed and called by the AVS server system of the ER or POP (Fig. 2).
  • the call is received and accepted by a communication tool of the user / customer.
  • the user / customer then immediately starts the player required to make the digital audio file audible.
  • the listening sample is immediately transmitted in real time via the ISDN bypass (user channel B2) as desired.
  • the connection between user / customer and the online shop of the Music on Demand data service via the control path (ISDN user channel B1) remains.
  • ISDN user channel B2 can provide a data rate of, for example, 56 kbit / s for each user / customer for the real-time transmission of a data delivery. This bit rate is guaranteed over ISDN for each individual user / customer, even simultaneously. Regardless of this, the full bit rate of the standard data transmission path (ISDN channel B1) is also available to every user / customer for research.
  • the user / customer is automatically dialed and called by the interactive AVS server system via the ISDN user channel B2.
  • the communication tool of the user / customer accepts the call and issues the command to terminate the online connection (standard connection) which is switched via the ISDN user channel B1,
  • the ISDN user channel B 1 thus released is also automatically switched through to the user / customer via the ISDN bypass.
  • Both ISDN user channels B 1 and B2 are accepted via the so-called client software (communication tool) and bundled accordingly,
  • the client software immediately starts the audio player and plays the music to be delivered immediately.
  • the music file is saved on the hard drive of the data terminal of the user / customer.
  • both ISDN user channels with gross 128 Kbit / s are available to the user / customer for receiving the data delivery (here music file). This bit rate can be guaranteed worldwide via ISDN.
  • the user / customer has the entire bit rate of the ISDN channels B1 and B2 available for receiving the data delivery via the ISDN bypass.
  • the data transfer of user data at a data rate of 112 Kbit / s is shown as real-time transmission. This bit rate is guaranteed over ISDN for each individual user / customer in real time.
  • the method according to the invention can be used advantageously in all data services which have an interactive AVS server system.
  • request services such as - audio on demand, - Music on Demand,
  • the method according to the invention offers, with the simultaneous connection of all users / customers to the data service, in addition to the possibility of individually increasing the data rate from 64 kbit / s to 128 kbit / s and the data delivery of orders in real time, which are described below.
  • a fundamental advantage is that the data connection for the delivery of data is established online from the AVS server system to the user / customer. This is the basic prerequisite for effective control of the delivery route to the user / customer, which has not been known until now. Evidence of data delivery to the user / customer defined by his phone number can be provided via the AVS server system. Furthermore, it is possible to program the AVS server system in such a way that only users / customers can receive data deliveries that are assigned to a limited territory.
  • data deliveries can be restricted to the FRG by blocking the foreign codes in the AVS server system.
  • This option is demanded again and again by the service providers, since it facilitates the billing of the service used by the user / customer and only partially enables (prevention of data deliveries abroad).
  • Knowing the number of the user / customer can, for example, also implement a hierarchy of authorization levels for data deliveries. This can be done, for example, via the phone number in connection with a password or access code.
  • the solution according to the invention is suitable for further increasing the acceptance of the data services, in particular also on the Internet, since it enables real-time data deliveries with a guaranteed data rate even when the shared data access is fully utilized.
  • IP information provider download information loading content for data sink

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The inventive method provides a solution ensuring data transfer in real time mode for individual user/client even when a maximum number user/clients are simultaneously accessing the data network. The inventive solution provides that, if necessary, an ISDN data connection, through which data transfer can be carried out in real time mode, is connected in addition to the existing standard data transfer path between the interactive IVS server system of the on-line system and a user/client ISDN data device. The invention can be used especially in the area of on-demand services such as audio on demand, music on demand, books on demand, clips on demand, news on demand, still pictures on demand, video on demand via ISDN, on-demand services via wide band communications networks and on-demand services via special networks.

Description

Verfahren zur Erhöhung der Datenrate bei Gewährleistung des EchtzeitmodusProcedure for increasing the data rate while ensuring real-time mode

Beschreibung:Description:

Das erfindungsgemäße Verfahren ist auf die Übertragung von Datenlieferungen im Echtzeitmodus beim Zugriff auf Datendienste von Diensteanbietern ausgerichtet.The method according to the invention is aimed at the transmission of data deliveries in real-time mode when accessing data services from service providers.

In Onlinesystemen und im Internet spricht man beim Laden von Inhalten (Daten, egal ob in Echtzeit oder zeitversetzt) von Download. Das heißt, der User/Kunde lädt sich die von ihm benötigten Daten zu sich in seine Datensenke herab. Dabei erfolgt die Kommunikation /Datenlieferung zwischen User/Kunden und Server auf dem gleichen Datenübertragungsweg, auf dem auch der Verbindungsaufbau realisiert wurde. Derartige Datenver- bindungen beruhen auf dem Prinzip der Informationsanbieter-(IP) basierten Kommunikation, bei dem die Teilung der zur Verf gung stehenden Datenrate durch die Anzahl der Kunden/User bedingt ist, die gleichzeitig auf das Serversystem zugreifen. Dabei teilen sich alle User/Kunden den Kommunikationsweg zum Server, so daß die Bitrate bei der Übertragung bei gleichzeitigem Zugriff der maximal möglichen Teilnehmerzahl nur ge- währleistet ist, wenn sich alle Kunden/User auf eine geringe Bitrate beschränken.In online systems and on the Internet one speaks of download when loading content (data, whether in real time or with a time delay). This means that the user / customer downloads the data he needs into his data sink. The communication / data delivery between user / customer and server takes place on the same data transmission path on which the connection was established. Such data connections are based on the principle of information provider (IP) -based communication, in which the division of the available data rate is dependent on the number of customers / users who simultaneously access the server system. All users / customers share the communication path to the server, so that the bit rate during transmission with simultaneous access to the maximum possible number of participants is only guaranteed if all customers / users are limited to a low bit rate.

Fig. la zeigt den Datentransfer von und zum User/Kunden, wie er nach dem bekannten Stand der Technik üblich ist. So ergibt sich beispielsweise bei einer maximalen Bitrate von 1.92 Mbit/s und einer User/Kunden bezogenen Datentransferrate von 1 Kbit/s eine entsprechende Aufteilung von 1,92 Mbit/s geteilt durch die Anzahl der virtuellen Nutzkanäle. So hat jeder User/Kunde eine temporäre Bitrate zur Verf gung.Fig. La shows the data transfer from and to the user / customer, as is customary in the known prior art. For example, a maximum bit rate of 1.92 Mbit / s and a user / customer-related data transfer rate of 1 Kbit / s results in a corresponding division of 1.92 Mbit / s divided by the number of virtual user channels. So every user / customer has a temporary bit rate available.

Wenn aber mehrere User/Kunden sich gleichzeitig Daten per Online liefern lassen, so benötigen sie für den Datendurchsatz eine höhere Bitrate als für den Recherchevorgang. Daraus resultiert, daß die mögliche Anzahl der User/Kunden, die noch Zugang zum Datendienst des Diensteanbieters erhalten, abnimmt je mehr User/Kunden sich gleichzeitig Daten Online liefern lassen. Eine Echtzeitübertragung der gewünschten Daten ist dann nicht mehr möglich, da die dafür benötigte Bitrate nicht zur Verfugung gestellt werden kann. Der User/Kunde muß warten bis ihm die benötigte Bitrate durch das System wieder zur Verfügung gestellt werden kann.However, if several users / customers can have data delivered online at the same time, they need a higher bit rate for data throughput than for the research process. As a result, the possible number of users / customers who still have access to the data service of the service provider decreases, the more users / customers decrease at the same time Have data delivered online. A real-time transmission of the desired data is then no longer possible, since the bit rate required for this cannot be made available. The user / customer has to wait until the required bit rate can be made available again by the system.

Fig. 1 b zeigt ein derartiges Beispiel. Bei einer Datenrate von beispielsweise 112kBit/s für zwei UserKunden wird deutlich, daß die verbleibende Bitrate durch die Anzahl der von den User/Kunden benötigten Bitraten zu teilen ist. Da diese Bitraten aber nicht fest zugeordnet werden können, kann der Datenstrom von z. B. 112 kBit/s nicht kontinuier- lieh übertragen werden. Es erfolgt eine diskontinuierliche Datenübertragung, so daß eine Echtzeitanwendung in der notwendigen Qualität und Bitrate nicht mehr gewährleistet werden kann.Fig. 1 b shows such an example. With a data rate of, for example, 112 kbit / s for two user customers, it becomes clear that the remaining bit rate is to be divided by the number of bit rates required by the user / customer. However, since these bit rates cannot be permanently assigned, the data stream of e.g. B. 112 kbit / s can not be transferred continuously. There is a discontinuous data transmission, so that a real-time application in the necessary quality and bit rate can no longer be guaranteed.

Eine Möglichkeit um beispielsweise in Onlinesystemen, Onlinesystemen mit Inter- netzugang oder im Internet die o.g. Probleme zu vermeiden, besteht darin, dem System überdimensional hohe Bitraten zur Verfugung zu stellen. Diese Möglichkeit ist aus Kostengründen nicht immer realisierbar.One possibility, for example, in online systems, online systems with Internet access or on the Internet is the above. Avoiding problems is to provide the system with oversized bit rates. This option is not always feasible for cost reasons.

Es sind keine Verteilersysteme bekannt, die es ermöglichen, größere Datenmengen vom Datendienst zum User/Kunden in Echtzeit zu übertragen, und bei denen der Datenstrom kontinuierlich in Anspruch genommen werden kann.No distribution systems are known which make it possible to transmit larger amounts of data from the data service to the user / customer in real time, and in which the data stream can be used continuously.

Das erfindungsgemäße Verfahren ist auf ein Verfahren ausgerichtet, welches auch bei gleichzeitigem Zugriff einer maximalen Anzahl von Usern/Kunden auf das Datennetz für jeden einzelnen User/Kunden die Bitraten garantiert, die für die Lieferung von Daten im Echtzeitmodus notwendig sind.The method according to the invention is aimed at a method which guarantees the bit rates that are necessary for the delivery of data in real-time mode for each individual user / customer even if a maximum number of users / customers access the data network.

Der User/Kunde wählt sich mittels seines ISDN-Datenendgerätes wie üblich über seine Zugangsplattform zu dem gewünschten Dienst des Diensteanbieters ein. Die Verbindung wird über den ersten Regel-Datenübertragungsweg, ISDN Nutzkanal Bl, aufgebaut. Gemäß Stand der Technik mußte der User/Kunde bisher seinen Datentransfer bei Bestellungen ebenfalls über die bereits bestehende Verbindung und damit über den ISDN- Nutzkanal B 1 abwickeln. Diese Möglichkeit bleibt nach wie vor bestehen, wird aber auf Datenlieferungen geringen Umfanges begrenzt.As usual, the user / customer dials in to the desired service of the service provider via his ISDN data terminal via his access platform. The connection is established via the first control data transmission path, ISDN user channel B1. According to the state of the art, the user / customer previously had to handle his data transfer for orders also via the already existing connection and thus via the ISDN user channel B1. This option remains as before, but is limited to data deliveries of a limited scope.

Die erfindungsgemäße Lösung beruht darauf, für die Lieferung von Daten an den Kunden mindestens eine zusätzliche ISDN- Verbindung bereitzustellen, die zwischen AVS- Serversystem und User/Kunden geschaltet wird. Das heißt, der User/Kunde kann bei geringer Netzauslastung Datenlieferungen geringen Umfangs nach wie vor auf die bisher übliche Verfahrensweise über die bereits bestehende Regel- Verbindung über den ISDN- Nutzkanal Bl abwickeln. Im Bedarfsfall, der insbesondere bei gleichzeitigem Zugriff einer Vielzahl von Usern/Kunden und beim down load von größeren Daten-mengen gegeben ist, kann jeder sich bereits im Netz befindliche User/Kunde für die Lieferung von Daten per Online auf eine zusätzliche ISDN-Datenverbindung zugreifen. Diese Verbin- düng, die zwischen dem User/Kunden und dem AVS-Serversystem ge-schaltet wird, wird nachfolgend als ISDN-Bypass bezeichnet. Der Verbindungsaufbau für den ISDN- Bypass wird vom User/Kunden beispielsweise durch einen Bestellvorgang ausgelöst. Der Verbindungsaufbau erfolgt aber im Gegensatz zu den bisher bekannten Verfahrensweisen rückwärts vom AVS-Serversystem zum User/Kunden. Ausgelöst durch den Bestellvor- gang wird der User/Kunde vom AVS-Serversystem angewählt. Für den Verbindungsaufbau wird der im Rahmen des ISDN zur Verfügung stehende zweite ISDN-Nutzkanal B2 des User/Kunde verwendet.The solution according to the invention is based on providing at least one additional ISDN connection for the delivery of data to the customer, which is connected between the AVS server system and the user / customer. This means that the user / customer can still handle small-scale data deliveries using the usual procedure via the existing rule connection via the ISDN user channel B1 with a low network load. If necessary, which is particularly the case when a large number of users / customers are simultaneously accessing and downloading larger amounts of data, every user / customer already on the network can access an additional ISDN data connection for the delivery of data online . This connection, which is switched between the user / customer and the AVS server system, is referred to below as ISDN bypass. The connection establishment for the ISDN bypass is triggered by the user / customer, for example, through an order process. In contrast to the previously known procedures, the connection is established backwards from the AVS server system to the user / customer. Triggered by the ordering process, the user / customer is selected by the AVS server system. The second ISDN user channel B2 of the user / customer available in the context of the ISDN is used to establish the connection.

Über das erfindungsgemäße Verfahren erhält der User/Kunde die Möglichkeit der indivi- duellen Erhöhung der Datenrate von beispielsweise 64 kBit/s bis auf 128 kBit/s.The method according to the invention gives the user / customer the possibility of individually increasing the data rate from, for example, 64 kbit / s to 128 kbit / s.

Das erfindungsgemäße Verfahren wird anhand eines Ausfuhrungsbeispiels näher erläutert.The method according to the invention is explained in more detail using an exemplary embodiment.

Fig. 2 zeigt das Wirkprinzip des erfindungsgemäßen Verfahrens anhand eines Blockschaltbildes in dem der Weg der Onlinelieferung von Daten über den ISDN-Bypass dar- gestellt ist.2 shows the principle of operation of the method according to the invention on the basis of a block diagram in which the way of the online delivery of data via the ISDN bypass is shown. is posed.

Fig. 3 a zeigt das Prinzip des Datentransfers unter Inanspruchnahme des erfindungsgemäßen Verfahrens bei Bereitstellung eines ISDN-Nutzkanals für die Datenlieferung zum User/Kunden Fig.3 b zeigt das Prinzip des Datentransfers unter Inanspruchnahme des erfindungsgemäßen Verfahrens bei der Bereitstellung von zwei ISDN-Nutzkanälen für die Datenlieferung zum User Kunden.3 a shows the principle of data transfer using the method according to the invention when providing an ISDN user channel for data delivery to the user / customer. FIG. 3 b shows the principle of data transfer using the method according to the invention when two ISDN user channels are provided for the data delivery to the user customer.

Der User/Kunde wählt sich wie üblich über seinen Anbieter/Provider in seine Zugangs- plattform ein und gelangt nach entsprechender Auswahl zum Externen Rechner ER (hier T-Online Telekom) oder zum Point of Presents POP (hier Internet Telekom). Über den ER oder POP erhält der User/Kunde entsprechende Kaufangebote aus dem Angebot des von ihm angewählten Diensteanbieters (Fig. 2).As usual, the user / customer dials into his access platform via his provider / provider and, after appropriate selection, arrives at the external computer ER (here T-Online Telekom) or at the Point of Presents POP (here Internet Telekom). Via the ER or POP, the user / customer receives corresponding purchase offers from the offer of the service provider selected by him (Fig. 2).

Am Beispiel eines Anforderungsservices für Musik, der im folgenden mit „Music on Demand" bezeichnet ist, wird die Prozedur des Kaufvorganges eines Musiktitels im Internet oder T-Online unter Einbeziehung des erfindungsgemäßen Verfahrens näher erläutert.Using the example of a request service for music, which is referred to below as “Music on Demand”, the procedure for the purchase process of a music title on the Internet or T-Online is explained in greater detail, including the method according to the invention.

-Der Kunde wählt sich in den Onlineshop des Datendienstes „Music on Demand" ein und kann unter einer Anzahl von angebotenen Musiktiteln seine Auswahl treffen. Die Kommunikation erfolgt über den Weg User/Kunde ISDN-Kanal Bl zum Diensteanbieter über die Zugangsplattform T-Online oder Internet und weiter zum ER oder POP und zurück.The customer dials into the online shop of the "Music on Demand" data service and can choose from a number of music tracks on offer. Communication takes place via the user / customer route ISDN channel Bl to the service provider via the T-Online or access platform Internet and on to ER or POP and back.

-Über den gleichen Weg erfolgt die Rückmeldung über die durch den User/Kunden ge- troffene Auswahl.-The feedback is given in the same way via the selection made by the user / customer.

-Wenn der Anbieter dem Kunden anzeigt, daß er eine Echtzeithörprobe erhalten kann, so wird der entsprechende Kaufvertrag ebenfalls über den o. a. Weg realisiert.-If the provider indicates to the customer that he can receive a real-time listening sample, the corresponding purchase contract will also be made via the above. Way realized.

-Die Lieferung erfolgt in Echtzeit vom AVS-Serversystem über den ISDN-Bypass-The delivery takes place in real time from the AVS server system via the ISDN bypass

(zweiter ISDN-Nutzkanal B2) zum User/Kunden. Ausgelöst durch den Bestellvorgang wird der User/Kunde automatisch vom AVS-Serversystem des ER bzw. des POP angewählt und gerufen (Fig. 2).(second ISDN user channel B2) to the user / customer. Triggered by the ordering process the user / customer is automatically dialed and called by the AVS server system of the ER or POP (Fig. 2).

-Der Ruf wird von einem Kommunikationstool des User/Kunden empfangen und ange- nommen. Danach wird beim User/Kunden sofort der für die Hörbarmachung des digitalen Audiofiles notwendige Player gestartet.-The call is received and accepted by a communication tool of the user / customer. The user / customer then immediately starts the player required to make the digital audio file audible.

-Die Hörprobe wird wie gewünscht sofort über den ISDN-Bypass (Nutzkanal B2) in Echtzeit übermittelt. Die Verbindung zwischen User/Kunden und dem Onlineshop des Music on Demand Datendienstes über den Regelweg (ISDN-Nutzkanal B 1) bleibt dabei bestehen.-The listening sample is immediately transmitted in real time via the ISDN bypass (user channel B2) as desired. The connection between user / customer and the online shop of the Music on Demand data service via the control path (ISDN user channel B1) remains.

Das Prinzip für diese Verfahrensweise wird in Fig. 3 a dargestellt. Über den ISDN- Bypass; ISDN-Nutzkanal B2 kann bei Bedarf für jeden User/Kunden eine Datenrate von beispielsweise 56 Kbit/s für die Echtzeitübertragung einer Datenlieferung bereitgestellt werden. Diese Bitrate wird über ISDN für jeden einzelnen User/Kunden, auch gleichzeitig, garantiert. Unabhängig davon steht jedem User/Kunden dazu auch gleichzeitig die volle Bitrate des Regel-Datenübertragungsweges (ISDN-Kanal Bl) zur Recherche zur Verfügung.The principle for this procedure is shown in Fig. 3a. Via the ISDN bypass; If required, ISDN user channel B2 can provide a data rate of, for example, 56 kbit / s for each user / customer for the real-time transmission of a data delivery. This bit rate is guaranteed over ISDN for each individual user / customer, even simultaneously. Regardless of this, the full bit rate of the standard data transmission path (ISDN channel B1) is also available to every user / customer for research.

Wenn der Kunde nach der Echtzeithörprobe das Angebot zum Kauf des kompletten Musikwerkes abfragt und sich für den Kauf entscheidet, so kann er beispielsweise wie folgt in in den Besitz des ausgewählten Musikwerkes kommen:If the customer asks for the offer to buy the complete musical work after the real-time audio sample and decides to buy it, he can get possession of the selected musical work as follows:

- Über die bereits bestehende Verbindung über den ISDN Nutzkanal B 1 erfolgt die Auswahl und der Abschluß des Kaufvertrages des User/Kunden über das komplette Musikwerk,.- Via the existing connection via the ISDN user channel B 1, the selection and conclusion of the purchase contract of the user / customer takes place over the entire musical work.

- nach Abschluß und Bestätigung desKaufvertrages wird der User/Kunde automatisch vom interaktiven AVS-Serversystem über den ISDN-Nutzkanal B2 angewählt und ge- rufen. - das Kommunikationstool des User/Kunden nimmt den Anruf an und erteilt den Befehl zum Abbau der Onlineverbindung (Regelverbindung), die über den ISDN-Nutzkanal Bl geschaltet ist,- After the conclusion and confirmation of the purchase contract, the user / customer is automatically dialed and called by the interactive AVS server system via the ISDN user channel B2. the communication tool of the user / customer accepts the call and issues the command to terminate the online connection (standard connection) which is switched via the ISDN user channel B1,

der dadurch freiwerdende ISDN-Nutzkanal B 1 wird automatisch ebenfalls über den ISDN-Bypass zum User/Kunden durchgeschaltet. Beide ISDN-Nutzkanäle B 1 und B2 werden über die sogenannte Client-Software ( Kommunikationstool) angenommen und entsprechend gebündelt,the ISDN user channel B 1 thus released is also automatically switched through to the user / customer via the ISDN bypass. Both ISDN user channels B 1 and B2 are accepted via the so-called client software (communication tool) and bundled accordingly,

- die Client Software startet danach sofort den Audioplayer und spielt die zu liefernde Musik sofort ab. Parallel dazu wird die Musikdatei auf der Festplatte des Datenendgerätes des User/Kunden gespeichert.- The client software immediately starts the audio player and plays the music to be delivered immediately. At the same time, the music file is saved on the hard drive of the data terminal of the user / customer.

Im Ergebnis der oben beschriebenen Verfahrensweise stehen dem User/Kunden zum Empfang der Datenlieferung (hier Musikdatei) beide ISDN-Nutzkanäle mit Brutto 128 Kbit/s zur Verfügung. Diese Bitrate kann weltweit über ISDN garantiert werden.As a result of the procedure described above, both ISDN user channels with gross 128 Kbit / s are available to the user / customer for receiving the data delivery (here music file). This bit rate can be guaranteed worldwide via ISDN.

Das Prinzip für diese Verfahrensweise wird in Fig. 3 b dargestellt.The principle for this procedure is shown in Fig. 3 b.

Hier steht dem User/Kunden die gesamte Bitrate der ISDN-Kanäle B 1 und B2 zum Empfang der Datenlieferung über den ISDN-Bypass zur Verfügung. Gezeigt wird der Datentransfer von Nutzdaten bei einer Datenrate von 112 Kbit/s als Echtzeitübertragung. Diese Bitrate wird über ISDN für jeden einzelnen User/Kunden in Echtzeit garantiert.Here the user / customer has the entire bit rate of the ISDN channels B1 and B2 available for receiving the data delivery via the ISDN bypass. The data transfer of user data at a data rate of 112 Kbit / s is shown as real-time transmission. This bit rate is guaranteed over ISDN for each individual user / customer in real time.

Das erfindungsgemäße Verfahren läßt sich bei allen Datendiensten, die über ein interaktives AVS-Serversystem verfügen, vorteilhaft einsetzen.The method according to the invention can be used advantageously in all data services which have an interactive AVS server system.

Mögliche Einsatzgebiete werden insbesondere bei Anforderungs-Services gesehen, wie beispielsweise - Audio on Demand, - Music on Demand,Possible areas of application are seen in particular with request services, such as - audio on demand, - Music on Demand,

- Bücher on Demand,- books on demand,

- Clips on Demand,- clips on demand,

- News on Demand - Still-Picture on Demand,- News on Demand - Still-Picture on Demand,

- Video on Demand über ISDN,- Video on Demand over ISDN,

- on Demand Services über Breitband-Kommunikations-Netze und- on demand services via broadband communication networks and

- on Demand Services über Sondernetze.- on demand services via special networks.

Das erfindungsgemäße Verfahren bietet bei gleichzeitiger Anschaltung aller User/Kunden an den Datendienst neben der Möglichkeit der individuellen Erhöhung der Datenrate von 64 kBit/s bis auf 128 kBit/s und der Datenlieferung von Bestellungen in Echtzeit weitere Vorteile, die nachstehend beschrieben werden. Ein grundlegender Vorteil besteht darin, daß die Datenverbindung für die Lieferung von Daten über Online vom AVS-Serversystem zum User/Kunden aufgebaut wird. Damit ist die Grundvoraussetzung für eine effektive Kontrolle des Lieferweges zum User/Kunden gegeben, wie sie bisher nicht bekannt ist. Über das AVS-Serversystem läßt sich der Nachweis einer Datenlieferung an den durch seine Rufnummer definierten User/Kunden führen. Desweiteren ist es möglich, das AVS-Serversystem so zu programmieren, daß nur User/Kunden Datenlieferungen empfangen können, die einem begrenzten Territorium zugeordnet sind. So können beispielsweise Datenlieferungen durch Sperrung der Aus- landskennziffern im AVS-Serversystem auf die BRD beschränkt werden. Diese Möglichkeit wird immer wieder von den Diensteanbietern gefordert, da sie die Abrechnung der durch den User/Kunden in Anspruch genommenen Dienstleistung erleichtert und zum Teil (Verhinderung von Datenlieferungen ins Ausland) erst ermöglicht. Durch die Kenntnis der Rufnummer des User/Kunden läßt sich beispielsweise auch eine Hierarchie über Berechtigungsstufen für Datenlieferungen realisieren. Das kann beispielsweise über die Rufnummer in Verbindung mit einem Paßwort bzw. Zugangscode erfolgen. Für den Fall, daß Datenlieferungen auf ein bestimmtes Territorium beschränkt werden sollen, ist es zweckmäßig, den ISDN- Regel-Datenübertragungsweg über den ISDN-Nutzkanal B 1 für Datenlieferungen per down-load ganz zu sperren. Die erfindungsgemäße Lösung ist geeignet die Akzeptanz der Datendienste, insbesondere auch im Internet, weiter zu erhöhen, da sie auch bei voller Auslastung des gemeinsamen Datenzuganges Datenlieferungen in Echtzeit mit einer garantierten Datenrate er- möglicht. The method according to the invention offers, with the simultaneous connection of all users / customers to the data service, in addition to the possibility of individually increasing the data rate from 64 kbit / s to 128 kbit / s and the data delivery of orders in real time, which are described below. A fundamental advantage is that the data connection for the delivery of data is established online from the AVS server system to the user / customer. This is the basic prerequisite for effective control of the delivery route to the user / customer, which has not been known until now. Evidence of data delivery to the user / customer defined by his phone number can be provided via the AVS server system. Furthermore, it is possible to program the AVS server system in such a way that only users / customers can receive data deliveries that are assigned to a limited territory. For example, data deliveries can be restricted to the FRG by blocking the foreign codes in the AVS server system. This option is demanded again and again by the service providers, since it facilitates the billing of the service used by the user / customer and only partially enables (prevention of data deliveries abroad). Knowing the number of the user / customer can, for example, also implement a hierarchy of authorization levels for data deliveries. This can be done, for example, via the phone number in connection with a password or access code. In the event that data deliveries are to be restricted to a specific territory, it is advisable to completely block the ISDN standard data transmission path via the ISDN user channel B1 for data deliveries by downloading. The solution according to the invention is suitable for further increasing the acceptance of the data services, in particular also on the Internet, since it enables real-time data deliveries with a guaranteed data rate even when the shared data access is fully utilized.

Verwendete Bezeichnungen:Terms used:

content provider Inhalte Anbietercontent provider content provider

ISP Internet Service ProviderISP Internet Service Provider

AVS-Serversystem Audio- Visuelles-ServersystemAVS server system audio-visual server system

(ER in T-Online) Externer Rechner(ER in T-Online) External computer

(POP in Internet) Point of Presents(POP in Internet) Point of Presents

AVS-Server Server des audivisuellen Server-SystemAVS server Server of the audivisual server system

User Nutzer/KundeUser user / customer

Dx-P Datex-P -DatendienstDx-P Datex-P data service

On Demand Services Anford erungs- S erviceOn Demand Services Request Service

T-Online Datendienst der TelekomTelekom's T-Online data service

IP Information provider/ Informationsanbieter download Laden von Inhalten zur Datensenke IP information provider / download information loading content for data sink

Claims

(5) Patentansprüche: (5) Claims: 1. Verfahren zur Erhöhung der Datenrate bei Gewährleistung des Echtzeitmodus beim Datentransfer über ein Onlinesystem, bei dem der User/Kunde über den ISDN- Regel-Datenübertragungsweg mit dem interaktiven AVS-Serversystem des Onlinesystems verbunden ist, d a d u r c h g e k e n n z e i c h n e t , daß zum bestehenden ISDN- Regel-Datenübertragungsweg zwischen User/Kunden und dem AVS- Serversystem des Onlinesystems zur Nutzdatenübertragung mindestens eine zusätzliche ISDN-Datenverbindung als ISDN-Bypass zwischen dem AVS-Serversystem des Onlinesystems und einem ISDN-Datenendgerät des User/Kunden geschaltet wird, über die ein Datentransfer im Echtzeitmodus durchgeführt wird.1. A method for increasing the data rate while ensuring the real-time mode for data transfer via an online system, in which the user / customer is connected to the interactive AVS server system of the online system via the ISDN rule data transmission path, characterized in that the existing ISDN rule Data transmission path between user / customer and the AVS server system of the online system for user data transmission at least one additional ISDN data connection as an ISDN bypass between the AVS server system of the online system and an ISDN data terminal of the user / customer, via which a data transfer is carried out in real time mode becomes. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet,2. The method according to claim 1, characterized in that -daß zur Übertragung einer geringen Datenmenge vom User /Kunden über den bestehenden , ISDN-Regel-Datenübertragungsweg über den ISDN Nutzkanal B 1 zum interaktiven AVS-Serversystem der Befehl zum Aufbau der zusätzlichen ISDN- Datenverbindung und zur Übertragung der gewünschten Daten übertragen wird, -daß der User/Kunde automatisch vom interaktiven AVS-Serversystem des Onlinesystems über den zweiten noch freien ISDN-Nutzkanal B2 angewählt und gerufen wird,that the command to set up the additional ISDN data connection and to transmit the desired data is transmitted from the user / customer via the existing ISDN standard data transmission path via the ISDN user channel B1 to the interactive AVS server system in order to transmit a small amount of data, that the user / customer is automatically dialed and called by the interactive AVS server system of the online system via the second free ISDN user channel B2, -daß ein Kommunikationstool des User/Kunden den Anruf empfängt und annimmt, und die Verbindung zwischen dem AVS-Serversystem und dem Datenendgerät des User/Kunden über den ISDN-Nutzkanal B2/ISDN-Bypass herstellt, wobei die Verbindung über den ISDN- Regel-Datenübertragungsweg/ISDN-Nutzkanal B 1 weiterhin bestehen bleibt, und dem User/Kunden somit zur Recherche auch während des download der gewünschten Daten über den ISDN-Bypass zur Verfügung steht, und -daß die Datenübertragung der gewünschten Daten über den ISDN-Bypass in Echtzeit unter Gewährleistung der Datenrate von 64 kBit/s zum User/Kunden erfolgt, wobei die dafür notwendigen Prozeduren über die Client Software des User/Kunden gesteuert werden.-that a communication tool of the user / customer receives and accepts the call and establishes the connection between the AVS server system and the data terminal of the user / customer via the ISDN user channel B2 / ISDN bypass, the connection using the ISDN rule- Data transmission path / ISDN user channel B 1 continues to exist and is therefore available to the user / customer for research even during the download of the desired data via the ISDN bypass, and that the data transmission of the desired data via the ISDN bypass is in real time while ensuring the data rate of 64 kbit / s to the user / customer, the necessary procedures are controlled via the client software of the user / customer. 3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, -daß zur Übertragung einer größeren Datenmenge über den bestehenden Regel-3. The method according to claim 1, characterized in that the transmission of a larger amount of data via the existing rule Datenübertragungsweg vom User /Kunden der Befehl zum Aufbau der zusätzlichen ISDN-Datenverbindung und zur Übertragung der gewünschten Daten ausgelöst und zum AVS-Serversystem übertragen wird, -daß der User/Kunde automatisch vom interaktiven AVS- Serversystem des Online- Systems über den zweiten ISDN- Nutzkanal B2 angewählt und gerufen wird,Data transmission path from the user / customer the command to set up the additional ISDN data connection and to transmit the desired data is triggered and transmitted to the AVS server system - that the user / customer is automatically transferred from the interactive AVS server system of the online system via the second ISDN User channel B2 is selected and called, -daß ein Kommunikationstool des User/Kunden den Anruf empfängt und annimmt, die Verbindung zwischen dem AVS-Serversystem und dem Datenendgerät des User/Kunden über den freien ISDN-Nutzkanal B2/ISDN-Bypass herstellt und gleichzeitig den Befehl zum Abbau des bestehenden Regel- Datenübertragungsweses, der über den ISDN-Nutzkanal Bl geschaltet ist, auslöst,- That a communication tool of the user / customer receives and accepts the call, establishes the connection between the AVS server system and the data terminal of the user / customer via the free ISDN user channel B2 / ISDN bypass and at the same time the command to dismantle the existing rule- Triggers data transmission system that is switched over the ISDN user channel Bl, -daß der freigeschaltete ISDN-Nutzkanal B 1 automatisch mit der über den ISDN-Nutzkanal B2 bereits als ISDN- Bypass geschalteten Datenverbindung gebündelt wird, so daß für die Datenübertrag über den ISDN-Bypass eine Datenrate von insgesamt 128kBit/s zur Verfügung steht, -daß die Datenübertragung der gewünschten Daten über den ISDN-Bypass inthat the activated ISDN user channel B1 is automatically bundled with the data connection already switched as ISDN bypass via the ISDN user channel B2, so that a total data rate of 128 kbit / s is available for data transmission via the ISDN bypass, that the data transmission of the desired data via the ISDN bypass in Echtzeit unter Gewährleistung der Datenrate von 128kBit/s zum User/Kunden erfolgt, wobei die dafür notwendigen Prozeduren über die Client Software des User/Kunden gesteuert werden.Real-time with the data rate of 128kBit / s to the user / customer is guaranteed, whereby the necessary procedures are controlled via the client software of the user / customer. 4. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der User/Kunde sich beim Zugriff auf den ISDN-Bypass über einen Code bzw. ein Paßwort ausweisen muß. 4. The method according to any one of the preceding claims, characterized in that the user / customer must identify himself when accessing the ISDN bypass using a code or a password. 5. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß eine örtliche Begrenzung für die Bereitstellung der Datenlieferungen über den ISDN-Bypass durch Sperrung der für Datenlieferungen nicht zulässi gen Ortskennziffern bzw Auslandskennziffern im AVS-Serversystem erfolgt. 5. The method according to any one of the preceding claims, characterized in that there is a local limitation for the provision of data deliveries via the ISDN bypass by blocking the location codes or international codes not permissible for data deliveries in the AVS server system.
PCT/EP1998/005257 1997-08-28 1998-08-19 Method for increasing the data transfer rate while ensuring real time mode Ceased WO1999012320A1 (en)

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EP1036454A1 (en) 2000-09-20
DE19739413C2 (en) 1999-06-17
DE19739413A1 (en) 1999-03-04

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