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Method and apparatus for allocating and using range identifiers as input values to content-addressable memories

  • US 6,775,737 B1
  • Filed: 10/09/2001
  • Issued: 08/10/2004
  • Est. Priority Date: 10/09/2001
  • Status: Active Grant
First Claim
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1. A method comprising:

  • identifying each of a plurality of non-overlapping intervals with one of a plurality of unique identifiers;

    maintaining an indication of a mapping between the plurality of non-overlapping intervals and the plurality of unique identifiers;

    determining a particular unique identifier from said plurality of unique identifiers based on a value and said plurality of non-overlapping intervals; and

    performing a lookup operation on an associative memory using the particular unique identifier to generate a result.

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