Method for determining label assignments for a router

  • US 6,408,001 B1
  • Filed: 10/21/1998
  • Issued: 06/18/2002
  • Est. Priority Date: 10/21/1998
  • Status: Expired due to Term
First Claim
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1. A method for determining packet label assignments at a router comprising the steps of:

  • detecting, at said router, a plurality of unlabeled packets having a common destination address;

    identifying, over a predetermined time period, a count value for said plurality of unlabeled packets having said common destination address;

    calculating a packet transport density value utilizing said count value and said predetermined time period;

    issuing a dedicated label to establish a new switched packet flow if said packet transport density value is greater than a first threshold value; and

    forwarding, without issuing a label and without merging with an existing switched packet flow, packets subsequently arriving at said router and corresponding to said plurality of unlabeled packets having said common destination address, if said packet transport density value is less than a second threshold value, wherein said first threshold value is greater than said second threshold value.

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