Method for data replication with conflict detection

Details Method for data replication with conflict detection Method for data replication with conflict detection

1998-05-20

2000-05-02

Homere, Jean R.

Data processing: database and file management or data structures

Database design

Data structure types

707203, 707 10, G06F 1730

Patent

active

060584017

ABSTRACT:
Communication costs are reduced in a distributed system that supports data replication with conflict detection by sending small values or nulls as replacements for field values that are not strictly used for replication or conflict detection. Specifically, nulls are propagated for new values of unmodified fields, old values of fields in unmodified groups of linked fields, and old values of fields for which conflict detection has been disabled. Flag values that indicate which actual old and new values were sent may be generated and propagated along with the replicated data.

REFERENCES:
patent: 5737601 (1998-04-01), Jain et al.
patent: 5806075 (1998-09-01), Jain et al.
patent: 5870759 (1999-02-01), Bauer et al.
patent: 5870765 (1999-02-01), Bauer et al.
patent: 5884325 (1999-03-01), Bauer et al.
patent: 5926816 (1999-07-01), Bauer et al.

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