Information consistency apparatus and method

• US 6,229,825 B1
• Filed: 03/17/1998
• Issued: 05/08/2001
• Est. Priority Date: 10/20/1997
• Status: Expired due to Term

• Current Assignee: Fujitsu Limited
• Original Assignee: Fujitsu Limited
• Inventors: Nitta, Minoru, Murai, Hiroyuki, Tomita, Katsuhiko, Katsuchi, Toshimoto, Oba, Takayo
• Primary Examiner(s): Ton, Dang
• Application Number:
  US09/042,792
• Time in Patent Office: 1,148 Days
• Field of Search: 370/498, 370/465, 370/466, 370/428, 370/259, 370/260, 370/263, 370/264, 370/442, 370/347, 700/257, 345/327, 345/6, 345/722, 345/328, 709/217, 709/218, 709/219, 379/220
• US Class Current: 370/498
• CPC Class Codes: H04L 12/1813 for computer conferences, e.g. chat rooms instant messaging H04L51/04; protocols for multimedia communication H04L65/1101; arrangements for multi-party communication H04L65/403; telephonic conference arrangements H04M3/56; television conference systems H04N7/15
• CPC Class Codes: H04L 65/1101 Session protocols
• CPC Class Codes: H04L 65/403 Arrangements for multi-party communication, e.g. for conferences data switching systems for conference H04L12/18; arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities H04M3/56; television conferencing systems H04N7/15
• CPC Class Codes: H04L 67/02 based on web technology, e.g. hypertext transfer protocol [HTTP]
• CPC Class Codes: H04L 69/329 in the application layer [OSI layer 7]
• CPC Class Codes: H04L 9/40 Network security protocols

Abstract

An information inconsistency judgment apparatus, an information inconsistency judgment method, and a medium recorded with an information inconsistency judgment program, for judging as to whether an inconsistency has occurred in a transmitted information, based on an object at a higher level of the object to be operated, and on the registered object. An information inconsistency correction apparatus, an information inconsistency correction method, and a medium recorded with an information inconsistency correction program, for correcting the registered object based on an operational information, when it is judged that an inconsistency has occurred in the transmitted information.

Claims

1. A store-and-forward type of electronic conference system, comprising:

a storage device storing operational information representing operations performed for hierarchical objects, whereas said stored operational information is transmitted in a batch between information administrating devices which register and administer the hierarchical objects, wherein said operational information includes a higher-level-information which specifies an object at a higher level of a treatee object; and

an inconsistency judgment device judging an inconsistency in the transmitted operational information, at a time of treatment of received operational information, based on the object which is specified by said higher-level-information and the object which is registered in one of said information administrating devices.

2. A system according to claim 1, wherein said inconsistency judgment device judges an inconsistency in the transmitted operational information, when the object which is specified by said higher-level-information is not registered in the one of said information administrating devices.

3. A system according to claim 1, further comprising:

a deletion information registration device registering deletion information which specifies an object deleted from the one of said information administrating devices, wherein said inconsistency judging device judges an inconsistency in the transmitted operational information, when the object which is specified by said higher-level-information is not registered in the one of one of said information administering devices and said deletion information registration device.

4. A system according to claim 1, further comprising:

a creation judgment device judging an operation type creation of an object at a highest level, based on the received operational information, wherein said inconsistency judgment device judges an inconsistency in the transmitted operational information, when the object which is specified by said higher-level-information is not registered in the one of said information administrating devices and said creation judgment device judges that the operation type is other than the creation of the object at the highest level.

5. A store-and-forward type of electronic conference system, comprising:

a storage device storing operational information representing operations performed for hierarchical objects, whereas said stored operational information is transmitted in a batch between information administrating devices which register and administer the hierarchical objects, wherein said operational information includes a higher-level-information which specifies an object at a higher level of a treatee object;

an inconsistency judgment device judging an inconsistency in the transmitted operational information, at a time of treatment of received operational information, based on the object which is specified by said higher-level-information and the object which is registered in one of said information administrating devices; and

an inconsistency correction device correcting the object which is registered in the one of said information administrating devices, based on the transmitted operational information, when said inconsistency judgment device judges an inconsistency in the transmitted operational information.

6. A system according to claim 5, wherein said inconsistency judgment device judges an inconsistency in the transmitted operational information, when the object which is specified by said higher-level-information is not registered in the one of said information administrating devices.

7. A system according to claim 5, further comprising

a deletion information registration device registering deletion information which specifies an object deleted from the one of said information administrating devices, wherein said inconsistency judging device judges an inconsistency in the transmitted operational information, when the object which is specified by said higher-level-information is not registered in the one of said information administering devices and said deletion information registration device.

8. A system according to claim 5, wherein said operational information includes transmitter-information specifying one of the information administrating devices which transmitted said operational information, and said inconsistency correction device corrects the object registered in the one of said information administrating devices, by obtaining objects from the one of the information administrating devices which is specified by said transmitter information.

9. A system according to claim 5, further comprising:

a creation judgment device judging an operation type creation of an object at a highest level, based on the received operational information, wherein said inconsistency judgment device judges an inconsistency in the transmitted operational information, when the object which is specified by said higher-level-information is not registered in the one of said information administrating devices and said creation judgment device judges that the operation type is other than the creation of the object at the highest level.

10. A method of a store-and-forward type of electronic conference system, comprising:

storing operational information representing operations performed for hierarchical objects, whereas said stored operational information is transmitted in a batch between information administrating processes which register and administer the hierarchical objects, wherein said operational information includes a higher-level-information which specifies an object at a higher level of a treatee object; and

judging an inconsistency in the transmitted operational information, at a time of treatment of received operational information, based on the object which is specified by said higher-level-information and the object which is registered in one of said information administrating processes.

11. A method according to claim 10, wherein said judging judges an inconsistency in the transmitted operational information, when the object which is specified by said higher-level-information is not registered in the one of said information administrating processes.

12. A method of a store-and-forward type of electronic conference system, comprising:

storing operational information representing operations performed for hierarchical objects whereas said stored operational information is transmitted in a batch between information administrating processes which register and administer the hierarchical objects,

wherein said operational information includes a higher-level-information which specifies an object at a higher level of a treatee object;

judging an inconsistency in the transmitted operational information, at a time of treatment of received operational information, based on the object which is specified by said higher-level-information and the object which is registered in one of said information administrating processes; and

correcting the object which is registered in the one of said information administrating processes, based on the transmitted operational information, when said judging judges an inconsistency in the transmitted operational information.

13. A method according to claim 12, wherein said judging judges an inconsistency in the transmitted operational information, when the object which is specified by said higher-level-information is not registered in the one of said information administrating processes.

14. A method according to claim 12, wherein said operational information includes transmitter-information specifying one of the information administrating processes which transmitted said operational information, and said correcting corrects the object registered in the one of said information administrating processes, by obtaining objects from the one of the information administrating processes which is specified by said transmitter-information.

15. A computer readable medium storing a program which when executed by a computer causes the computer to execute the functions in a store-and-forward type of electronic conference system, comprising:

storing operational information representing operations performed for hierarchical objects, whereas said stored operational information is transmitted in a batch between information administrating functions which register and administer the hierarchical objects, wherein said operational information includes a higher-level-information which specifies an object at a higher level of a treatee object; and

judging an inconsistency in the transmitted operational information, at a time of treatment of received operational information, based on the object which is specified by said higher-level-information and the object which is registered in one of said information administrating functions.

16. A computer readable medium according to claim 15, wherein said judging judges an inconsistency in the transmitted operational information, when the object which is specified by said higher-level-information is not registered in the one of said information administrating functions.

17. A computer readable medium storing a program which when executed by a computer causes the computer to execute the functions in a store-and-forward type of electronic conference system, comprising:

storing operational information representing operations performed for hierarchical objects, whereas said stored operational information is transmitted in a batch between information administrating functions which register and administer the hierarchical objects, wherein said operational information includes a higher-level-information which specifies an object at a higher level of a treatee object;

judging an inconsistency in the transmitted operational information, at a time of treatment of received operational information, based on the object which is specified by said higher-level-information and the object which is registered in one of said information administrating functions; and

correcting the object which is registered in the one of said information administrating functions, based on the transmitted operational information, when said judging a judges an inconsistency in the transmitted operational information.

18. A computer readable medium according to claim 17, wherein said judging judges an inconsistency in the transmitted operational information, when the object which is specified by said higher-level-information is not registered in the one of said information administrating functions.

19. A computer readable medium according to claim 17, wherein said operational information includes transmitter-information specifying one of the information administrating functions which transmitted said operational information, and said correcting corrects the object registered in the one of said information administrating functions, by obtaining objects from the one of the information administrating functions which is specified by said transmitter-information.

20. An apparatus, comprising:

a storage device storing operational information for hierarchical objects, wherein said operational information is transmitted between information administrating devices which register the hierarchical objects; and

an inconsistency judgement device judging an inconsistency in the transmitted information when the operational information is received, based on the object included in the operational information and the object registered in one of said information administrating devices.

21. An apparatus according to claim 20, wherein said inconsistency judgment device judges an inconsistency in the transmitted operational information, when the object included in the operational information is not registered in the one of said information administrating devices.

22. An apparatus according to claim 20, further comprising:

a deletion information registration device registering deletion information which specifies an object deleted from the one of said information administrating devices, wherein said inconsistency judging device judges an inconsistency in the transmitted operational information, when the object included in the operational information is not registered in the one of said information administrating devices and said deletion information registration device.

23. An apparatus according to claim 20, further comprising:

a creation judgment device judging an operation type creation of an object at a highest level, based on the received operational information, wherein said inconsistency judgment device judges an inconsistency in the transmitted operational information, when the object is not registered in the one of said information administrating devices and said creation judgment device judges that the operation type is other than the creation of the object at the highest level.

24. An apparatus, comprising:

a storage device storing operational information for hierarchical objects, wherein said operational information is transmitted between information administrating devices which register the hierarchical objects;

an inconsistency judgement device judging an inconsistency in the transmitted information when the operational information is received, based on the object included in the operational information and the object registered in one of said information administrating devices; and

an inconsistency correction device correcting the object which is registered in the one of said information administrating devices, based on the transmitted operational information, when said inconsistency judgment device judges an inconsistency in the transmitted operational information.

25. An apparatus according to claim 24, wherein said inconsistency judgment device judges an inconsistency in the transmitted operational information, when the object included in the operational information is not registered in the one of said information administrating devices.

26. An apparatus according to claim 24, further comprising:

a deletion information registration device registering deletion information which specifies an object deleted from the one of said information administrating devices, wherein said inconsistency judging device judges an inconsistency in the transmitted operational information, when the object included in the operational information is not registered in the one of said information administrating devices and said deletion information registration device.

27. An apparatus according to claim 24, wherein said operational information includes transmitter-information specifying one of the information administrating device which transmitted said operational information, and said inconsistency correction device corrects the object registered in the one of said information administrating devices, by obtaining objects from the one of the information administrating devices which is specified by said transmitter-information.

28. An apparatus according to claim 24, further comprising:

a creation judgment device judging an operation type creation of an object at a highest level, based on the received operational information, wherein said inconsistency judgment device judges an inconsistency in the transmitted operational information, when the object is not registered in the one of said information administrating devices and said creation judgment device judges that the operation type is other than the creation of the object at the highest level.

29. A method, comprising:

storing operational information for hierarchical objects, wherein said operational information is transmitted between information administrating processes which register the hierarchical objects; and

judging an inconsistency in the transmitted information when the operational information is received, based on the object included in the operational information and the object registered in one of said information administrating processes.

30. A method according to claim 29, wherein said judging judges an inconsistency in the transmitted operational information, when the object included in the operational information is not registered in the one of said information administrating processes.

31. A method, comprising:

storing operational information for hierarchical objects, wherein said operational information is transmitted between information administrating processes which register the hierarchical objects;

judging an inconsistency in the transmitted information when the operational information is received, based on the object included in the operational information and the object registered in one of said information administrating processes; and

correcting the object which is registered in the one of said information administrating processes, based on the transmitted operational information, when said judging judges an inconsistency in the transmitted operational information.

32. A method according to claim 31, wherein said judging judges an inconsistency in the transmitted operational information, when the object included in the operational information is not registered in the one of said information administrating processes.

33. A method according to claim 31, wherein said operational information includes transmitter-information specifying one of the information administrating processes which transmitted said operational information, and said correcting corrects the object registered in the one of said information administrating processes, by obtaining objects from the one of the information administrating processes which is specified by said transmitter-information.

34. A computer readable medium, comprising:

storing operational information for hierarchical objects, wherein said operational information is transmitted between information administrating functions which register the hierarchical objects; and

judging an inconsistency in the transmitted information when the operational information is received, based on the object included in the operational information and the object registered in one of said information administrating functions.

35. A computer readable medium according to claim 34, wherein said judging judges an inconsistency in the transmitted operational information, when the object included in the operational information is not registered in the one of said information administrating functions.

36. A computer readable medium, comprising:

storing operational information for hierarchical objects, wherein said operational information is transmitted between information administrating functions which register the hierarchical objects;

judging an inconsistency in the transmitted information when the operational information is received, based on the object included in the operational information and the object registered in one of said information administrating functions; and

correcting the object which is registered in the one of said information administrating functions, based on the transmitted operational information, when said judging judges an inconsistency in the transmitted operational information.

37. A computer readable medium according to claim 36, wherein said judging judges an inconsistency in the transmitted operational information, when the object included in the operational information is not registered in the one of said information administrating functions.

38. A computer readable medium according to claim 36, wherein said operational information includes transmitter-information specifying one of the information administrating functions which transmitted said operational information, and said correcting corrects the object registered in the one of said information administrating functions, by obtaining objects from the one of the information administrating functions which is specified by said transmitter-information.