Use of DPI to extract and forward application characteristics
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United States of America Patent
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Apr 24, 2012
Grant Date -
Oct 8, 2009
app pub date -
Apr 3, 2008
filing date -
Apr 3, 2008
priority date (Note) -
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Abstract
Various exemplary embodiments are a method and related device and computer-readable medium including one or more of the following: receiving a packet sent from the source node to the destination node; associating the packet with an active flow by accessing information in the packet; performing deep packet inspection (DPI) to identify an application associated with the active flow; determining a classification for the packet based on characteristics of the identified application; associating, with the packet, information identifying the classification; forwarding the packet including the information identifying the classification towards the destination node; and performing processing on the packet at a downstream device by extracting the classification from the packet.
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