Method and apparatus for data network sampling

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20070019548A1
SERIAL NO

11258444

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Abstract

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Disclosed is an informed sampling technique for biasing a sample data set toward network data of interest for a particular application. Network data received at a network node (for example at a rate which is greater than a sampling rate for which the network node is configured) is chosen to be included in a sample set based on one or more predetermined signatures which are chosen to bias the sample set toward network data of interest for a particular application. For example, the sample set may be biased to include data of interest for fraud detection, spam detection, and intrusion detection. The particular signature(s) may be predefined by a user, or may be automatically generated by another network application. The invention may be implemented at various levels and nodes of a network. For example, the informed sampling may be implemented at a traffic monitoring function of a network router, a flow collector which receives network flow data from the router, or both.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
AT&T CORP.NEW YORK, NY2901

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Krishnamurthy, Balachander New York, NY 91 2054

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