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Cost calculation in load balancing switch protocols

  • US 6,577,600 B1
  • Filed: 01/11/1999
  • Issued: 06/10/2003
  • Est. Priority Date: 01/11/1999
  • Status: Expired due to Term
First Claim
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1. A method operable within a network switch for determining costs associated with communication to other network switches and device through ports of said network switch, said method comprising the steps of:

  • computing periodically, within said network switch, a port latency value associated with operation of a port of said network switch, the port latency value equal to a queue depth of data stored in at least one queue associated with said port divided by a data transfer speed associated with a port of the network switch; and

    computing periodically, within said network switch, a port load factor cost value as a ratio of said port latency value and the available throughput of said port.

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