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Control plane architecture for automatically switched optical network

  • US 20030235153A1
  • Filed: 03/31/2003
  • Published: 12/25/2003
  • Est. Priority Date: 06/20/2002
  • Status: Active Grant
First Claim
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1. A method of determining an acceptability of a port for a connection in an Automatically Switched Optical Network, the port having a current port load, the method comprising:

  • if the current port load is below a lower threshold, determining that the port is acceptable;

    if the current port load is above an upper threshold, determining that the port is not acceptable; and

    if the current port load is between the lower threshold and the upper threshold, determining whether the current port load was most recently above the upper threshold or below the lower threshold, and;

    if the current port load was most recently above the upper threshold, determining that the port is not acceptable; and

    if the current port load was most recently below the lower threshold, determining that the port is acceptable.

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