Method and System for Annotating Network Flow Information
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United States of America Patent
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N/A
Issued Date -
Jul 2, 2009
app pub date -
Dec 29, 2007
filing date -
Dec 29, 2007
priority date (Note) -
Abandoned
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Abstract
A scalable flow monitoring solution takes in standard flow records exported from network devices such as routers, switches, firewalls, hubs, etc., and annotates the flow with additional information. This information is derived from a number of sources, including Border Gateway Protocol (BGP), Simple Network Management Protocol (SNMP), user configuration, and other, intelligent flow analysis. These annotations add information to the flow data, and can be used to perform value-added flow analysis. The annotated flow is then resent to a configurable set of destinations using standard flow formatting, e.g., Cisco System Inc.'s NetFlow, in one implementation. This allows the annotated flow to be processed and the enhanced information to be used by other flow analysis tools and existing flow analysis infrastructure.
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