Router software upgrade employing redundant processors
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 18, 2004
Grant Date -
N/A
app pub date -
Feb 24, 2000
filing date -
Feb 24, 2000
priority date (Note) -
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Abstract
Systems and methods for replacing software controlling active routers while minimizing impact on network operation are provided by virtue of one embodiment of the present invention. The software replacement process takes advantage of packet processor redundancy. An active packet switching device to be reprogrammed is de-activated and a redundant packet switching device takes over. The no longer active packet switching device is reprogrammed before being reactivated.
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