Method for maintaining time synchronization between two processors in a network interface
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United States of America Patent
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Jun 29, 1999
Issued Date -
N/A
app pub date -
Jul 25, 1995
filing date -
Oct 1, 1992
priority date (Note) -
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Abstract
A method for performing timer synchronization between a first processor having a first timer and a second processor having a second timer is presented. The first processor issues to the second processor a first timer value corresponding to the current value of the first timer and the second timer compares the first timer value with a second timer value corresponding to the current value of the second timer. If the second timer value is less than the first timer value, the second processor increments the second timer value to a new second timer value equal to the first timer value. If the second timer value is greater than the first timer value, the second processor issues to the first processors the second timer value and the first processor adjusts the first timer value to be equal to the second timer value.
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