Router packet filtering and mapping
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United States of America Patent
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Apr 30, 2013
Grant Date -
Oct 28, 2010
app pub date -
Apr 22, 2010
filing date -
Apr 22, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method includes determining in a router whether a test portion of a received packet matches test data specified in a filter. The test portion is specified in the filter by a first offset parameter and a first length parameter. The received packet is modified by the router replacing data in a map portion of the packet with map data specified in the filter if the test portion matches the test data. The map portion is also specified in the filter by a second offset parameter and a second length parameter.
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