Method and apparatus for updating distributed databases in a tel

Details Method and apparatus for updating distributed databases in a tel Method and apparatus for updating distributed databases in a tel

1997-09-03

1999-10-26

Amsbury, Wayne

Data processing: database and file management or data structures

Database design

Data structure types

G06F 1730

Patent

active

059744294

ABSTRACT:
A method and apparatus for updating user data stored on databases distributed throughout a teleconmmunications network is described. A central database server stores a master copy of the user data from which a transaction journal may be created. The transaction journal includes every change in user data entered at the central database server during provisioning sessions. The remote nodes of the network contain databases which ideally store user data which is consistent with the user data records in the central database server. To achieve this the new transaction journal entries are propagated at regular intervals to the remote nodes. During a transition period, the central database server and the remote nodes are updated with new software. To accommodate nodes during the transition period which can be running on either the old or new software, the transaction journal preferably has two sets of user data, a first set for use with nodes running the old software and a second set for nodes running the new software. When a remote node is to be updated it is connected to the central database server and an audit is made of the software version and the age of the user data stored on the remote node. Based on the version number of the software, either the first or second set of transaction journal updates are propagated towards and applied on the remote node without halting call processing at the remote node.

REFERENCES:
patent: 5008814 (1991-04-01), Mathur
patent: 5212789 (1993-05-01), Rago
patent: 5555418 (1996-09-01), Nissson et al.
patent: 5751574 (1998-05-01), Loebig
patent: 5771386 (1998-06-01), Baumbauer

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