Method and apparatus for updating an online computer program
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United States of America Patent
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Oct 24, 2000
Grant Date -
N/A
app pub date -
Jan 23, 1998
filing date -
Jan 23, 1998
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Abstract
The computer programs in redundant, high-reliability systems can be updated in real-time, without a service outage by performing a memory-to-memory data transfer. Old data structures from the primary computer are assembled into a predetermined block of data that is transferred to the secondary, redundant computer. The organization of the transferred block of data is known by the second computer program which disassembles the block of data into new data structures required by the new computer program running on the redundant computer. The memory-to-memory data precludes any system outage attributable to lost data.
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