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Methods and apparatus for characterizing a route in a fibre channel fabric

  • US 20050169188A1
  • Filed: 06/12/2002
  • Published: 08/04/2005
  • Est. Priority Date: 06/12/2002
  • Status: Active Grant
First Claim
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1. A method for providing route characteristic information in a fibre channel fabric, the method comprising:

  • providing a fibre channel frame at a source fibre channel switch, the fibre channel frame identifying the source fibre channel switch and a destination, wherein the fibre channel frame includes a loopback field indicating that the fibre channel frame should be looped back to the source fibre channel switch;

    transmitting the fibre channel frame downstream toward the destination;

    receiving the looped back fibre channel frame at the source fibre channel switch, the loopback fibre channel frame including time stamp information associated with a plurality of fibre channel switches between the source fibre channel switch and the destination, wherein the time stamp information provides information for determining characteristics associated with upstream and downstream transmission between the source fibre channel switch and the destination.

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