Data audits based on timestamp criteria in replicated data bases

Details Data audits based on timestamp criteria in replicated data bases Data audits based on timestamp criteria in replicated data bases

1997-11-07

1999-08-10

Black, Thomas G.

Data processing: database and file management or data structures

Database design

Data structure types

707202, 707203, 707 10, 707 8, 455433, 455413, 39518218, 39520033, G06F 1730

Patent

active

059374136

ABSTRACT:
The present invention provides a method which uses a data audit function in order to maintain a consistency about a plurality of data stored as a replication data among data base nodes consisting of a mobile communication system. The method for auditing data based on timestamp criteria in replicated data bases in a digital mobile telecommunication system includes the steps of: (a) when there is a database access request, setting a time stamp about tuple accessed by the request, and managing a start, suspend, stop and resume events for a audit process; (b) managing a current status of the audit process, and information necessary for scanning each tuple; and (c) managing a request queue for the data base and CPU load. Accordingly, the present invention satisfies a system basic requirement being a real-time access in a mobile communication system including at least two data bases, maintains a consistency between two data replicated to each other, accurately controls a relationship between a mobile subscriber and a mobile terminal, and removes the incorrect data and the garbage data which may occur in a system operation, thereby effectively using the data base resource.

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patent: 5627877 (1997-05-01), Penttonen
Electrical Communication; GSM Network Systems and Overall System Integration; M. Feldman, J.P. Rissen, pp. 141-154, Jun. 1993.
"Service Control Point (SCP) for the GSM and Personal Communications Systems", A Athanaopulos and N. Risidore, ORBITEL Mobile Communications Ltd., UK, Telecommunications, 1990, IEE Conf. Pub. 331, Jun. 1991.
"The (GSM) HLR--Advantages and Challenges", Bent Gabelgaard, Dansk MobilTelefon I/S, Denmark, Universl Personal Communications, 1994 3rd Int'l, Apr. 1994.

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