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Method and apparatus for analyzing networks

  • US 5,247,517 A
  • Filed: 09/02/1992
  • Issued: 09/21/1993
  • Est. Priority Date: 10/20/1989
  • Status: Expired due to Term
First Claim
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1. A circuit for monitoring a token ring network having a token circulating on a ring comprising:

  • interface means coupled to said ring for receiving signals from said ring, said interface means providing a first output;

    converting means coupled to said first output for converting said first output to one of a plurality of symbols, said converting means providing a second output;

    detecting means coupled to said second output for detecting combinations of said plurality of symbols, said detecting means providing a plurality of third outputs, each of said outputs representing one of a plurality of combinations of said symbols; and

    network utilization determining means coupled to said plurality of third outputs for determining network performance by calculating network utilization parameters of network utilization token rotation time, ring delay, and bandwidth utilization based on integration of said plurality of third outputs over time.

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