Packet sampling using rate-limiting mechanisms
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United States of America Patent
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Mar 10, 2015
Grant Date -
N/A
app pub date -
Oct 10, 2011
filing date -
Apr 18, 2005
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Abstract
A network device configured to i) control a rate of traffic while operating in a rate-limiting mode, and ii) mirror traffic while operating a sampling mode. The network device includes an ingress circuit configured to receive packets, and a rate limiter in communication with the ingress circuit. The rate limiter is configured to, while the network device is operating in the rate-limiting mode, perform a rate-limiting scheme to control a rate of the packets received through the ingress circuit. The rate limiter is further configured to, while the network device is operating in the sampling mode, perform a modified form of the rate-limiting scheme to mirror the packets received through the ingress circuit.
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