Method and system of measuring latency and packet loss in a network by using probe packets
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United States of America Patent
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Oct 24, 2006
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N/A
app pub date -
Apr 30, 2002
filing date -
Dec 19, 2001
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Abstract
The invention provides a method which involves inserting probe packets on a per service basis for transmission on a respective round trip; and for each service using the probe packets to calculate packet latency for probe packets which is representative of packet latency for all packets transmitted for the service. In some embodiments, data plane time stamps are used to accurately time probe latency. The invention also provides a method which involves inserting probe packets on a per service basis for transmission on a respective destination network element; and at the destination network element for a given service using the probe packets to calculate one way packet loss for the service.
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