Bidirectional database replication scheme for controlling ping-ponging
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United States of America Patent
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Sep 19, 2000
Issued Date -
N/A
app pub date -
Jun 8, 1999
filing date -
Jun 8, 1999
priority date (Note) -
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Abstract
Transaction ping-pong is selectively prevented in a bidirectional database replication system. The system has a plurality of nodes connected via communication media in a topology. Each node includes a database and a transaction transmitter or collector which sends transactions posted to the database to a database at one or more other nodes for replication in the databases of the one or more other nodes. All transactions to be posted to databases in remote nodes that were sent by a local node are detected, and the database at the local node is inhibited from posting selective transactions which were detected as being originally sent by the local node.
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