METHOD FOR ESTIMATING AVAILABLE BANDWIDTH OF NETWORK LINK USING TIME STAMP FUNCTION OF INTERNET CONTROL MESSAGE PROTOCOL
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United States of America Patent
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Issued Date -
Apr 24, 2008
app pub date -
Oct 26, 2006
filing date -
Oct 20, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed is a method for estimating an available bandwidth of a network link by transmitting small-sized probing packets using a time stamp function of an Internet control message protocol (ICMP) and using time information of the probing packet returned. According to the invention, even when the separate program or function is not activated in the router, it is possible to easily estimate and monitor the available bandwidth of the exterior network link connected to the network being managed. Accordingly, it is possible to operate the network more stably and to detect the abnormal sign of the network at early stage, thereby quickly coping with it. In addition, it is possible to prevent the excessive traffic or load from being caused in the network.
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