Method for overload control in a packet switch that processes packet streams having different priority levels
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United States of America Patent
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Jul 23, 1996
Grant Date -
N/A
app pub date -
Dec 9, 1994
filing date -
Dec 9, 1994
priority date (Note) -
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Abstract
A system and method that controls potential overload of packet switches when the packet switch has multiple packet streams with different priority levels. A counter is associated with the higher priority packet stream, so that when the counter reaches a predetermined number, the higher priority packet stream is disabled, so that the lower priority packet stream may be processed. When the counter reaches the predetermined number, interrupts are disabled, thus inhibiting processing of the higher priority packet stream. Advantageously, a predetermined number of polled packets are processed before interrupts are enabled.
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