System and method for failover
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United States of America Patent
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Nov 6, 2007
Grant Date -
Aug 2, 2007
app pub date -
Jan 18, 2007
filing date -
Nov 24, 2003
priority date (Note) -
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Abstract
The present invention provides a novel system and method for failover. In an embodiment, a primary server and a backup server are available to a plurality of clients. Messages containing requests are processed by the primary server, while a mirror image of transaction records generated by the processing of those requests is maintained in volatile memory of both the primary server and the backup server. In this mode of operation, the volatile memory is periodically flushed to non-volatile memory.
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