WO1997037472A1 - Process for supplying data via a broad-band medium - Google Patents
Process for supplying data via a broad-band medium Download PDFInfo
- Publication number
- WO1997037472A1 WO1997037472A1 PCT/EP1997/001413 EP9701413W WO9737472A1 WO 1997037472 A1 WO1997037472 A1 WO 1997037472A1 EP 9701413 W EP9701413 W EP 9701413W WO 9737472 A1 WO9737472 A1 WO 9737472A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data
- decentralized unit
- network
- unit
- channel
- Prior art date
Links
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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
- H04L63/062—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key distribution, e.g. centrally by trusted party
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/487—Arrangements for providing information services, e.g. recorded voice services or time announcements
- H04M3/493—Interactive information services, e.g. directory enquiries ; Arrangements therefor, e.g. interactive voice response [IVR] systems or voice portals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13093—Personal computer, PC
-
- 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
- H04Q2213/13103—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
- H04Q2213/13174—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
- H04Q2213/13176—Common channel signaling, CCS7
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13204—Protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13205—Primary rate access, PRI
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13206—User-to-user signaling, UUS
-
- 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
- H04Q2213/13248—Multimedia
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13274—Call rejection, call barring
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13333—Earth satellites
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13339—Ciphering, encryption, security
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13389—LAN, internet
Definitions
- the present invention relates to a method for delivering data via a broadband medium from a central, in which there are a plurality of data sets that can be ordered, to a decentralized unit, the operator of which wishes the relevant data set.
- the invention relates to a method for ordering so-called media data via the ISDN network and for delivering the media data via the broadband medium.
- the operator typically transmits information relating to the desired data record via a message channel of the digital data record to the decentralized unit after establishing a connection between the decentralized unit and the control center in which the data records are stored in the form of a database together with a secret number (PIN number), by means of which the access authorization of this operator to the database and its subsequent charge should be guaranteed, whereupon the central office, after reading the relevant data record, via the already established message channel back to the decentralized unit.
- PIN number secret number
- Such methods for delivering data via digital data networks require considerable data sets Transmission times that are associated with correspondingly high fees for the operators of the digital data network.
- media data such as digital sound and image information
- media data also represent a considerable volume of data even in the compressed state.
- control center To prevent the customer, that is, the operator of the decentralized unit, from ordering an order in the known method, it is necessary for the control center to be equipped with a large number of digital data lines, such as ISDN lines. This increases the technical effort on the part of the head office as well as the fee charged by the operator of the digital network.
- Another problem in connection with the known method for delivering data is that unauthorized third parties can access a certain database at the expense of an authorized person if they succeed in finding the secret number or the security code ( PIN number) of the authorized person.
- This problem is particularly relevant when the operator uses the digital network "Internet" to query the database, for example, since in this network the path of the data from the decentralized unit to the head office cannot be determined and the transmitted data are therefore not protected against access by third parties.
- DE 4416254 AI From DE 4416254 AI it is already known to provide the decentralized unit with interfaces to avoid dedicated lines between decentralized units and a central unit, which enable communication of commands and messages via the so-called D-channel or signaling channel of the ISDN network in the so-called "UUS frame".
- the use of the D channel or signaling channel of the ISDN network for purposes other than controlling a desired connection establishment or connection clearing is not permitted by post or requires at least one network service specially offered by DeutscheInstitut for this purpose.
- DE 4416254 AI describes an illegal use of the ISDN network that cannot be approved, since the use of the signaling channel described there is based on transmitting data via the signaling channel without wanting to establish a connection to the message channel. It is generally known to transmit media data, for example in the form of music data, on request via a digital data network, such as the ISDN network.
- DE 4021707 AI shows a coin-operated music machine with a decentralized unit which can be operated after the coin has been inserted in order to transmit a music selection request via the ISDN line to a center, which then transmits a data set corresponding to the desired piece of music retransmits the ISDN network to the decentralized unit, through which the piece of music is then reproduced.
- the transmission method described here corresponds to the usual transmission method, which was recognized at the outset, as it is carried out, for example, when querying databases and which was initially appreciated.
- DE 30 18 945 AI relates to a method for securing data transmission over a single, uniform data network between a first location and a second location.
- a broadband medium in addition to the data network for communication between the first location and the second location is not apparent from this document.
- a PIN number is logically linked to an identification number for the terminal and a sequence number or random number, whereby two code numbers are formed, one of which is stored in the terminal as a so-called start key and the other of which is sent to the other Central computer is transmitted over the data network mentioned.
- the transmitted key is used in the central unit to generate a release and to generate an encrypted key code character, which consists of a combination of a key code character and a first coded output signal.
- the present invention is based on the object of developing a method for supplying data from a central to a decentralized unit based on the order of a specific data set by an operator of the decentralized unit such that the transmission costs incurred in connection with the ordering and delivery of the data records are minimized.
- the invention provides a method for delivering data from a central, in which a plurality of data records that can be ordered, via a broadband medium to a decentralized unit, the operator of which wishes the relevant data record, with the following method steps:
- this comprises the further step of selecting the data record intended for the decentralized unit from the data stream transmitted in the broadband medium through the decentralized unit by means of the information which uniquely identifies the data record before the method step of decrypting the data record using the key .
- the network is a digital data network; wherein the data record and the decentralized unit uniquely identifying information are transmitted from the decentralized unit via a signaling channel of the digital data network to the central office.
- this comprises the following further steps:
- FIGS. 1a to 1d show a flow diagram of an exemplary embodiment of the data delivery method according to the invention.
- a decentralized unit selects the desired data record, for example in the form of a personal computer.
- the data record can be a desired piece of music, for example, which is stored in a database of a central office.
- the operator has a list of the data records stored in the control center, for example a list of music pieces that can be called up by the control center, for selection of the desired data record.
- the operator of the decentralized unit also selects the desired data delivery route.
- the operator selects either data delivery over the ISDN network or data delivery over a broadband medium.
- the broadband medium is, for example, a cable for the transmission of television signals and digital radio signals, a radio system with any transmitter and an associated receiver, or a broadcasting system based on satellite communication.
- Typical of such a broadband medium is, on the one hand, the increased bandwidth and bandwidth compared to digital networks on the other hand, the fact that the data transmitted from the control center via the broadband medium are made accessible to a plurality of decentralized units essentially simultaneously.
- step S1 the operator also transmits the desired delivery time, for example by specifying that it is an immediate order or a non-immediate order, then information identifying the desired data record, information identifying the selected delivery time , a security code or a PIN number and the call number of the decentralized unit in the signaling channel or D channel of the ISDN network in the so-called UUS frame as a connection request (Connect Request according to international standard ITU Q.930 - Q. 940) to the head office.
- a connection request Connect Request according to international standard ITU Q.930 - Q. 940
- the UUS frame mentioned is a user-to-user signaling data packet with 131 bytes, which in step S2 also occurs in the case of an occupied data line or an occupied B channel of the center via the signaling channel or D Channel is transmitted or signaled to the control center. Since this signaling works independently of the busy or unoccupied status of the B channel, the number of ISDN lines required for the order can be kept low on the part of the head office. A single order line is typically sufficient.
- step S3 the control center checks whether the call number transmitted to the decentralized unit via the signaling channel is known, that is to say is contained in a table of the call numbers of the stored customers in the control center.
- step S4 a new customer registration is started if the data transmitted by the decentralized unit contains a new customer registration request. If data of this type was not transmitted, this call is rejected while generating an error message.
- information about the name, address and payment route of the new customer is stored in the UUS frame.
- step S3 the security code or the PIN number is checked in step S5 to determine whether it matches one of the PIN numbers from a table that contains all the PIN numbers of all customers are, and whether, on the other hand, the transmitted number belongs to this PIN number, which is also checked by querying the table mentioned. If the PIN number is not found in the table or does not match the number, the call in question is rejected in step S6, recorded as a failed attempt and reported.
- step S5a the control center checks whether the data delivery route desired by the operator of the decentralized unit in step S1 is the broadband medium or the ISDN network. If the desired data delivery route is the broadband medium, the program proceeds to step S16. Otherwise, the program continues with step S7.
- step S7 it is checked whether the message channel or B channel of the center is free or busy. If the message channel is free, a check is made in step S8 as to whether the present order is an immediate order. If this is the case, after establishing a connection via the B channel, the control center confirms the order via the B channel, stating a delivery telephone number under which the control center will make the subsequent delivery to the decentralized unit, whereupon ⁇ the connection via the B channel is disconnected.
- the A management unit VE for the management of orders and ISDN channels carries out a corresponding control of this procedure, which immediately after step S9 establishes a connection to the decentralized unit in step S10 using the delivery telephone number mentioned and delivers the desired data.
- step S11 the connection of the B channel is established, whereupon the control center confirms the order receipt, a delivery date preferably transmitted to the decentralized unit in the case of the moonlight tariff, preferably communicating the future delivery telephone number and then terminating the connection, whereupon the method waits until the moonlight tariff occurs before a connection is set up with the decentralized unit via step S10 to deliver the desired data is performed at step S15.
- step S12 the order, together with the telephone numbers, PIN number and the information identifying the desired data record, is taken from the UUS frame of the D -Channel added by the headquarters.
- step S13 the control center checks whether the order is immediate. If so, the method continues with step S9.
- step S14 which is identical to the step S11.
- the delivery date (a delivery time at the moonlight tariff) is transmitted to the decentralized unit via the B-channel to the decentralized unit, whereupon the connection is terminated.
- the management unit VE effects the delivery of data to the decentralized unit via step S10 Unit.
- the delivery date transmitted to the customer for the delivery of the desired data enables the customer to keep his decentralized unit ready to receive at this point in time, for example by leaving his personal computer connected to the ISDN network switched on at the point in time mentioned.
- the decentralized unit may be provided with a switch-on device, by means of which the central unit switches the decentralized unit on by signaling and sets it in readiness for receiving the delivery.
- step S5a If the check in step S5a shows that the data delivery route desired by the customer is the broadband medium, the program checks in step S16 below whether the B channel of the connection of the control center to the ISDN network is free. If this is the case, the order from the D channel of the ISDN network is taken up by the control center. The order typically includes indices for the desired data records, which were selected in step SI.
- step S18 the control center establishes the connection via the D-channel of the ISDN network, and typically confirms the accepted order with a charge unit, and transmits the delivery date and via the D-channel on the other hand, a key to the decentralized unit before the connection is ended.
- step S19 the order from the UUS field of the D channel is accepted in a manner which corresponds to step S17 ⁇ hang with the connection establishment required communication between the users is provided.
- the delivery date and the key are retransmitted via the D channel, ie the signaling channel of the ISDN network, to the decentralized unit.
- step S21 the desired data is first encrypted using the key that was transmitted to the decentralized unit in question.
- the management unit VE compiles all encrypted data records, which the different decentralized units have requested from the central unit, together with the associated preceding indices to form a data stream. Before the respective desired data records, which were requested by a decentralized unit, the indices of the following data records are first transmitted in the data stream.
- each of the decentralized units connected to the broadband medium effects a filtering out of the data it desires from the data stream using the indices for the desired or ordered data sets. This means that the respective decentralized unit filters out only those data records from the data stream which are preceded by the appropriate indices for the desired data records.
- the decentralized unit with the indices selects the data records intended for you from the data stream in the broadband medium on the basis of the indices for the desired data records.
- step S23 the received data records or their indices are reported back from the decentralized unit to GEMA, which means that after each transmission of an ordered data set, GEMA necessarily sends the data set to the end user, namely the operator of the decentralized unit , is informed.
- step S24 the decentralized unit decrypts the encrypted data records with the key sent. These data records are then saved.
- step S25 the decentralized unit checks whether the operator of the decentralized unit has already made a copy of the data set stored in step S24. If this check reveals that the operator is trying to create a second or another copy of the data record, the process is terminated in step S26.
- step S27 the received and stored data records are copied onto CD-ROM using a CD-ROM drive.
- the operator of the decentralized unit can now play the music stored on CD-ROM, for example, with a multimedia computer.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU21584/97A AU2158497A (en) | 1996-03-29 | 1997-03-20 | Process for supplying data via a broad-band medium |
EP97914276A EP0890246A1 (en) | 1996-03-29 | 1997-03-20 | Process for supplying data via a broad-band medium |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1996112665 DE19612665A1 (en) | 1996-03-29 | 1996-03-29 | Method of delivering data over a broadband medium |
DE19612665.7 | 1996-03-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997037472A1 true WO1997037472A1 (en) | 1997-10-09 |
Family
ID=7789935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1997/001413 WO1997037472A1 (en) | 1996-03-29 | 1997-03-20 | Process for supplying data via a broad-band medium |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0890246A1 (en) |
AU (1) | AU2158497A (en) |
DE (1) | DE19612665A1 (en) |
WO (1) | WO1997037472A1 (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4578530A (en) * | 1981-06-26 | 1986-03-25 | Visa U.S.A., Inc. | End-to-end encryption system and method of operation |
US5003595A (en) * | 1989-08-29 | 1991-03-26 | At&T Bell Laboratories | Secure dial access to computer systems |
DE4021707A1 (en) * | 1990-07-07 | 1992-01-09 | Nsm Ag | COIN-ACTUATED MUSIC MACHINE |
US5181238A (en) * | 1989-05-31 | 1993-01-19 | At&T Bell Laboratories | Authenticated communications access service |
US5274695A (en) * | 1991-01-11 | 1993-12-28 | U.S. Sprint Communications Company Limited Partnership | System for verifying the identity of a caller in a telecommunications network |
DE4416254A1 (en) * | 1994-05-07 | 1995-11-09 | Deutsche Bundespost Telekom | Transmission security procedure in ISDN network |
US5475740A (en) * | 1993-03-11 | 1995-12-12 | Spectradyne, Inc. | System for accessing and paying for amenities using a telephone |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4288659A (en) * | 1979-05-21 | 1981-09-08 | Atalla Technovations | Method and means for securing the distribution of encoding keys |
-
1996
- 1996-03-29 DE DE1996112665 patent/DE19612665A1/en not_active Withdrawn
-
1997
- 1997-03-20 EP EP97914276A patent/EP0890246A1/en not_active Withdrawn
- 1997-03-20 WO PCT/EP1997/001413 patent/WO1997037472A1/en not_active Application Discontinuation
- 1997-03-20 AU AU21584/97A patent/AU2158497A/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4578530A (en) * | 1981-06-26 | 1986-03-25 | Visa U.S.A., Inc. | End-to-end encryption system and method of operation |
US5181238A (en) * | 1989-05-31 | 1993-01-19 | At&T Bell Laboratories | Authenticated communications access service |
US5003595A (en) * | 1989-08-29 | 1991-03-26 | At&T Bell Laboratories | Secure dial access to computer systems |
DE4021707A1 (en) * | 1990-07-07 | 1992-01-09 | Nsm Ag | COIN-ACTUATED MUSIC MACHINE |
US5274695A (en) * | 1991-01-11 | 1993-12-28 | U.S. Sprint Communications Company Limited Partnership | System for verifying the identity of a caller in a telecommunications network |
US5475740A (en) * | 1993-03-11 | 1995-12-12 | Spectradyne, Inc. | System for accessing and paying for amenities using a telephone |
DE4416254A1 (en) * | 1994-05-07 | 1995-11-09 | Deutsche Bundespost Telekom | Transmission security procedure in ISDN network |
Non-Patent Citations (1)
Title |
---|
O'HIGGINS B ET AL: "ENCRYPTION AND ISDN - A NATURAL FIT", INNOVATIONS IN SWITCHING TECHNOLOGY, vol. 4, 15 March 1987 (1987-03-15) - 20 March 1987 (1987-03-20), PHOENIX, ARIZONA, pages 863 - 869, XP002017713 * |
Also Published As
Publication number | Publication date |
---|---|
AU2158497A (en) | 1997-10-22 |
EP0890246A1 (en) | 1999-01-13 |
DE19612665A1 (en) | 1997-10-02 |
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