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System and method of aggregating discontiguous address ranges into addresses and masks using a plurality of repeating address blocks

  • US 20020038380A1
  • Filed: 05/14/2001
  • Published: 03/28/2002
  • Est. Priority Date: 05/15/2000
  • Status: Active Grant
First Claim
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1. A method of creating a discontiguous address plan for an enterprise, comprising:

  • determining a hierarchy of route advertisement optimization for an enterprise;

    determining the number of route advertisement aggregation points at each level of the hierarchy;

    rounding each number up to a power of a base number of the address plan;

    determining a number of network security policy areas for the enterprise;

    determining a number of addresses for each of the network security policy areas;

    rounding each number of addresses up to a power of the base number to produce a plurality of rounded addresses;

    allocating an address range for each of the plurality of rounded addresses so that a starting address of the address range begins on a power of the base number;

    determining a size of the plurality of address ranges;

    rounding the size of the plurality of address ranges up to a power of the base number to produce the size of a repeating policy pattern;

    assigning an instance of the repeating policy pattern to each of the route advertisement aggregation points; and

    determining an address and a mask for each of the network security policy areas in the repeating policy patterns.

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