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Methods for performing packet classification via prefix pair bit vectors

  • US 20060221956A1
  • Filed: 06/28/2005
  • Published: 10/05/2006
  • Est. Priority Date: 03/31/2005
  • Status: Abandoned Application
First Claim
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1. A method, comprising:

  • identifying unique prefix pairs in an access control list (ACL), each prefix pair comprising a combination of a source prefix and a destination prefix;

    defining a prefix pair bit vector for each unique source prefix and unique destination prefix in the ACL, each prefix pair bit vector including a string of bits, each bit position in the string associated with a corresponding prefix pair; and

    associating a list of transport field value combinations with each prefix pair, each list comprising at least one instance of transport field values defined by a corresponding entry in the ACL including the source prefix and destination prefix defining the prefix pair.

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