WO2000060505A1 - Elektronisches dateiarchiv - Google Patents
Elektronisches dateiarchiv Download PDFInfo
- Publication number
- WO2000060505A1 WO2000060505A1 PCT/EP1999/002258 EP9902258W WO0060505A1 WO 2000060505 A1 WO2000060505 A1 WO 2000060505A1 EP 9902258 W EP9902258 W EP 9902258W WO 0060505 A1 WO0060505 A1 WO 0060505A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data
- file
- computer
- processing system
- data processing
- Prior art date
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/93—Document management systems
Definitions
- the invention relates to a data processing system with a data memory, at least one input data interface and one output data interface, with data to be stored being recorded by any transducer via the input data interfaces and being forwarded to the data memory.
- the object of the invention is to design a data processing system for capturing data in such a way that all the data is captured, archived and cannot be manipulated, ie tamper-proof, at any time.
- the object is achieved according to the invention in that the data memory is designed as a magneto-optical output memory WORM (Write Once Read Many), in which the stored binary data cannot be changed and can be called up at any time, one for the data memory and the output data interface Reading the binary data trained device is provided.
- WORM Magneto-optical output memory
- the device is designed as an archive computer and makes the binary data accessible as binary files.
- the system then processes the data in its originally generated form. Possible sources of error are excluded during additional formatting.
- the archive computer has several serial RS 232 or RS 422 or Centronic interfaces, by means of which the binary data streams are transferred 1: 1 to the WORM memory.
- the system can be connected to the various measuring points according to the commonly used interfaces.
- the archive computer has at least one interface card, each of which is assigned thirty-two interfaces. Four of these interface cards can be used to acquire a hundred and twenty-eight sensors simultaneously.
- the archive computer indexes the binary data stored in the WORM memory with key data and makes it available to the user as an archive via search criteria.
- This key data essentially contains the day and the consecutive number of the data file to be backed up. Any number of other key data regarding the user are possible.
- the individual interfaces have a switching arrangement of the type that when a data stream arrives it is forwarded and returns to a stand-by mode after the end of the document.
- the system continuously records or listens to the existing interfaces and is therefore ready to back up incoming data at any time.
- the data processing system has an emergency power supply which is assigned to the archive computer and the index computer. In the event of a power failure, the current measurement or backup processes are completed as scheduled and the system is shut down. Therefore no data is lost.
- the WORM memory has a CRC checksum file (Cyclical Redundancy Check) for each file to check the identity of the data.
- This checksum file which is also used in electronic data traffic, makes it possible to check the saved data at any later point in time.
- the index computer serves as an interface between the network and WORM memory / archive computer.
- the user therefore has no direct access to the WORM memory / archive computer and can only call up all data via the index computer. Only the index calculator has direct data access.
- the archive is designed as an intelligent archive, with a relationship file being assigned to each file.
- a scanner is connected to the data processing system, which converts the paper documents into a binary file. Existing paper documents can thus be exchanged as a storage medium.
- an additional possibility is that a distributor is connected to the data processing system, which ensures, if necessary, that the data to be stored are saved by the archive computer and the receipt printer. This only applies in the event that a document is required at the same time as the data is saved, which can otherwise be output at any later time via the user interface.
- the archive has several WORM memories. These are managed in so-called jukeboxes, which increases operational safety.
- the archive computer has a reflection of the hard disk required for booting (booting up the computer) and starting the programs. This ensures that the device is ready for operation at all times.
- the computer can boot and start the necessary programs, even if the hard drive fails. The failed hard disk can also be replaced during operation.
- the interface cards have their own 512 kilo-byte buffer memory and their own RISC processor. This ensures that up to 128 measuring points can be recorded and processed at the same time.
- An essential advantageous embodiment is achieved in that the entire system is closed in a fire-proof and inaccessible manner in a housing complex specially produced for this purpose. This prevents any unauthorized access. It is also advantageous that the main process (TIC server program) is started after switching on, the main process checks and monitors the configuration and the functionality of the system, and the interfaces are released by the main process.
- TIC server program TIC server program
- the system continuously polls the occupied interfaces and, when a data stream arrives, triggers a function at an interface, the received data is collected until the end of the document and all open processes are closed in the event of a power failure and the system is shut down in a controlled manner.
- the received data is given a chronological file name and stored as a file on the WORM memory and, in addition, a checksum file is created for each file, which is also stored on the WORM memory under the same file name but with a different extension.
- an additional possibility is that the data exchange of the system with the user takes place only via the index computer and the index computer obtains the requested data from the archive and makes it available to the user.
- the index computer mirrors the hard disk necessary for booting the computer and outputs an error message if the hard disk fails.
- the data backup is continued without interruption, with the defective hard disk being replaced during operation.
- the system provides a printer driver that can be used in Windows-based platforms and "prints" the result into a file on the index computer, the printer driver transfers the file into the standardized PostScript format and the result into a file writes on the index computer, the file is sent to an interface and thus recorded as a file by the archive computer and the indexing data is written to the archive computer.
- FIG. 1 shows a flow chart or an organizational plan of the overall system
- FIG. 2 A circuit diagram of the RS 232 distributor.
- the system 1 according to FIG. 1 was developed in order to enable an unchangeable, officially recognized and document-correct electronic storage of legal-for-trade documents and files of all kinds.
- System 1 is a new, specialized, fully automatic and system-independent machine for the electronic storage and archiving of binary data 2 of all kinds. It consists of a combination of different specialized hardware components and several software programs, some of which were developed for this system 1.
- the system 1 was developed in such a way that the data 2 to be stored cannot be influenced at any time and subsequent manipulation of the stored data 2 on a WORM memory 5 "can be ruled out.
- system 1 does not Time is involved in the creation of the data to be archived 2 and is completely independent of the system
- system 1 behaves like a printer 9 which can be connected to any transducer 10 via an interface in accordance with DIN 44302 and DIN ISO 7498.
- the system 1 receives only binary data streams 2 via interfaces 4 and writes them 1: 1 to the WORM memory 5 '(magnetooptical medium: Write Once Read Many). System 1 does not know what it has received and written at this time. So that an organized archive 5 can be created, only a file name is generated as an order term between receipt and output on the WORM memory 5 ', and file and data carrier management is handled. The data stream is saved as a file under the generated name. Immediately following the safe storage of the original, a CRC checksum file is produced, which is also written to the WORM memory 5 ".
- the type of storage determines the usability of the saved files.
- System 1 also ensures extensive independence here. Since the data 2 are stored in files, they can be output at any time without any additional tools.
- the system 1 is used exclusively for the permanent and final storage of data 2 of any kind in an electronic archive 5 and replaces the paper storage medium with the WORM storage medium.
- the system 1 basically functions like a printer 9.
- connection cables for serial RS 232 interfaces 4 must be replaced by null modem cables.
- the system 1 is equipped as standard with eight to one hundred and twenty-eight serial RS 232 interfaces 4.
- Other interfaces 4 such as RS 422 and Centronics are optional. Specially manufactured cables must be used for these interfaces 4.
- the system 1 After switching on and the normal initialization process of the operating system, the system 1 is ready for operation, switched online without further user operation, and can receive data 2 and archive it in a tamper-proof manner. After switching on, the main process is started automatically. This has different tasks:
- the main process checks the interfaces 4 on the archive computer 5 for functionality and then whether 4 measuring systems 10 are connected to the interfaces. If this is the case, a data reception program is started for the corresponding interface 4. This sets the correct parameters for interface 4 and switches them online. Only now is it possible to transfer 4 data 2 to this interface. Up to this point, the measuring systems 10 cannot work. This condition is a prerequisite for the fulfillment of the valid calibration regulations. If documents cannot be issued, the measuring systems 10 must be stopped in order to prevent the loss of measurement data 2.
- the main process also has the task of permanently monitoring the entire system 1 and ensuring the functionality. Constant statistics are kept and the average memory requirement is determined on the basis of the data 2 received so far.
- System 1 provides information about the still available capacity at any time and makes assumptions about how long it can still hold data 2.
- the system 1 is equipped with an emergency power supply 11 and constantly checks whether this supply 11 has been activated. If this is the case, there has been a power failure or System 1 has been switched off. System 1 now begins immediately with the controlled completion of the current processes and the shutdown of the interfaces 4. In the end, all processes open at the time of the occurrence of a fault have been properly processed and a controlled shutdown has been carried out. The Windows NT operating system is also terminated in this process. After restoring regular The computer automatically restarts the power supply and automatically starts up the operating system, including the programs, and is thus ready for use again.
- System 1 independently monitors which of its interfaces 4 cables are connected to during operation. Systems 10 sending data 2 are thus identified automatically, and data 2 can be received by them without additional user activity.
- the system 1 constantly listens at open interfaces 4 for data streams arriving from there, and at non-open interfaces 4 whether a cable has been connected.
- the arrival of a data stream 2 triggers an event in the interface program. This collects the incoming data 2 until the end of a voucher.
- the end of a data stream corresponds to the end of a print job at printer 9 and thus the end of document printing.
- Different measuring systems may send 10 different end-of-text characters.
- System 1 recognizes both standardized and user-defined end characters. However, user-defined end-of-text characters are rare, since data-generating measuring systems 10 normally control commercially available printers 9, which require standardized characters.
- the receiving process requests a file name from the main process and the file is written directly to the target drive (WORM memory 5 ') without any further action.
- the next step is to create the CRC checksum file. This is also written to the WORM memory 5 'under the same name but with a different file name extension.
- the resulting archive 5 is purely chronological and has the following order:
- a new directory is created for each day on the WORM memory 5 'and is given a name derived from the date. is riert.
- the incoming data streams are numbered consecutively and structured according to the following file name scheme:
- the associated checksum data record is given the file name 00000517. CRC.
- the file name extension BIN identifies the archived original files.
- the name is derived from the word "binary” and describes the content of the files appropriately.
- Binary files can be sent to printer 9, for example, without additional programs.
- the printout that is created is an original of the data on paper (receipt).
- Special visual programs allow the 1: 1 representation of the binary files on the screen and their printing on any printer 9.
- CRC is the abbreviation for "Cyclical Redundancy Check” and a recognized procedure for the creation of checksums. It is a process in which the data is divided by a polynomial. The checksum results from the rest of the division. This procedure ensures that a final checksum has been generated for the saved file and can be reproduced from the data set at any time.
- the CRC checksum can be generated at any time from the stored original and any copies with a corresponding utility program . If the checksum of the original and the copy match, it is certain that the data record or its copy is in the unchanged state.
- a data record can be transferred to another medium without any problems in order to be transported to a different location and reproduced. Examples of this are online transmissions via data transmission lines or the Internet, copies on a floppy disk or the like.
- a checksum can be generated at the destination with a corresponding program. By comparing the checksum at the origin and destination, it can be ensured that the original has not been tampered with in the meantime.
- CRC is a safe and recognized method which is also used, for example, for data transmission via modem under the Z-Modem protocol and with which bank data is also transferred. E-commerce would not be possible without CRC.
- IDX is derived from the term "index" and is primarily used to make stored files available more quickly. Since these types of files are also stored on the unchangeable WORM memory 5 ', they contain likewise unchangeable features from the actual files. For example, an extended index data record can be created under the name 00000517. IDX, which facilitates the identification of the file and the indexing of the archive 5 and is always used when the system 1 comes directly from a programmable external system with data / documents 2 to be populated.
- Another goal of system 1 is to build an intelligent archive 5. This means that files themselves "know” how they relate to other files.
- the file 00000517. REL stores information about the basic relations.
- the basic relation always describes the relation to the next higher concept of order. In the IT area one speaks mostly of "owner” or “parents”. This is only the basic relation model, which enables the stored file to be used to determine which branch or tree the file belongs to at any time. Further methods of a relationship model are implemented on the index computer 3 and implemented on rewritable storage media by reproducible methods.
- index calculator 3 The main task of index calculator 3 is to make archived files accessible again.
- the index calculator 3 is an integral part of the system 1 and is firmly connected to it in a housing. After the data 2 has been stored, there is a basic chronological order of the files on the WORM memory 5 '. However, this is not sufficient to ensure convenient and quick access using various individual or combined criteria. Furthermore, no further information about the type and content of the files is known at this time.
- the main task of the index calculator 3 is to determine this information and to keep it up to date.
- the index calculator 3 has three other important functions:
- the index computer 3 identifies the data stored on the WORM memory 5 '2.
- Definitions are descriptions of the data pattern on the basis of which a file type can be recognized and the basic data 2 (e.g. file number , File date etc.) can be filtered from the data stream.
- the information obtained in this way is transferred to a database. There they are available as search and sort criteria for various programs.
- the indexing can be completely or partially reproduced at any time.
- a program on the index calculator 3 enables definitions to be created and changed.
- File streams 2 of the same type are likely to be changed over longer periods of time, so definitions of the same type of file may be valid for different periods.
- Extended definitions are additions to the definitions and allow data to be extracted from the data streams that go beyond identification. In this way, data can be generated from the data streams, which enables further evaluations, such as calculations and lists.
- the index computer 3 additionally functions as a firewall.
- a firewall is used to prevent and ward off "hostile" attacks. In the EDP area, this is necessary wherever data is to be protected against general access (the data is behind a wall).
- the index computer 3 performs this function the system 1.
- the archive computer 5 should not be disturbed in its sensitive task of data recording. This possibility would exist in principle if different users of a network 7 had direct access to the document archive 5.
- the index computer 3 prevents this because he is the only "user ", which this access is permitted. Index computer 3 and archive computer 5 maintain their own exclusive network.
- the index computer 3 thus represents a database server that processes the requirements of the users and sends the results back to the user 7.
- the index computer 3 can act as an Internet intranet server and thus also receive file data streams via online connections. The data streams are then transferred from the process computer via an interface 6 to the archive computer 5 and thus flow into the normal archiving process.
- this configuration offers the possibility that files can be called up from any location, provided that Internet access is available.
- the index computer 3 For this purpose there is a corresponding directory on the index computer 3 which is constantly checked for entries. If there is a corresponding entry, the file is sent to the interface 4 and thus recorded by the archive computer 5 as a file. As a last step, the indexing data are written to the archive computer 5. With this process, a changeable document has become a tamper-proof file.
- the RS 232 distributor 8 ensures that the transmitted data streams arrive at both output devices in any case. If a device malfunctions, the data supplying process is stopped.
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- Engineering & Computer Science (AREA)
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- Business, Economics & Management (AREA)
- General Business, Economics & Management (AREA)
- Data Mining & Analysis (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99915733A EP1171838A1 (de) | 1999-03-30 | 1999-03-30 | Elektronisches dateiarchiv |
AU34195/99A AU3419599A (en) | 1999-03-30 | 1999-03-30 | Electronic file archive |
PCT/EP1999/002258 WO2000060505A1 (de) | 1999-03-30 | 1999-03-30 | Elektronisches dateiarchiv |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP1999/002258 WO2000060505A1 (de) | 1999-03-30 | 1999-03-30 | Elektronisches dateiarchiv |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000060505A1 true WO2000060505A1 (de) | 2000-10-12 |
Family
ID=8167256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1999/002258 WO2000060505A1 (de) | 1999-03-30 | 1999-03-30 | Elektronisches dateiarchiv |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1171838A1 (de) |
AU (1) | AU3419599A (de) |
WO (1) | WO2000060505A1 (de) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2646539A1 (fr) * | 1989-04-27 | 1990-11-02 | Bertin & Cie | Systeme informatique d'archivage et de consultation de donnees, et circuit d'interface correspondant |
EP0446149A1 (de) * | 1990-03-02 | 1991-09-11 | André Truong Trong Thi | Automatisches Archivierungsverfahren von Dokumenten auf numerische Weise |
US5163088A (en) * | 1991-03-06 | 1992-11-10 | Locascio Peter | Facsimile security system |
DE4411244A1 (de) * | 1994-03-31 | 1995-10-05 | Psi Elektronik Service Christi | Verfahren und Vorrichtung zum Aufzeichnen von Meßdaten |
US5530899A (en) * | 1991-12-18 | 1996-06-25 | Dmi, Inc. | Archival and retrieval system accessing an external storage by polling internal queues from remote terminals minimizing interruption of a host processor |
-
1999
- 1999-03-30 WO PCT/EP1999/002258 patent/WO2000060505A1/de not_active Application Discontinuation
- 1999-03-30 EP EP99915733A patent/EP1171838A1/de not_active Withdrawn
- 1999-03-30 AU AU34195/99A patent/AU3419599A/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2646539A1 (fr) * | 1989-04-27 | 1990-11-02 | Bertin & Cie | Systeme informatique d'archivage et de consultation de donnees, et circuit d'interface correspondant |
EP0446149A1 (de) * | 1990-03-02 | 1991-09-11 | André Truong Trong Thi | Automatisches Archivierungsverfahren von Dokumenten auf numerische Weise |
US5163088A (en) * | 1991-03-06 | 1992-11-10 | Locascio Peter | Facsimile security system |
US5530899A (en) * | 1991-12-18 | 1996-06-25 | Dmi, Inc. | Archival and retrieval system accessing an external storage by polling internal queues from remote terminals minimizing interruption of a host processor |
DE4411244A1 (de) * | 1994-03-31 | 1995-10-05 | Psi Elektronik Service Christi | Verfahren und Vorrichtung zum Aufzeichnen von Meßdaten |
Also Published As
Publication number | Publication date |
---|---|
AU3419599A (en) | 2000-10-23 |
EP1171838A1 (de) | 2002-01-16 |
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