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Interconnect fault detection and localization method and apparatus

  • US 5,987,629 A
  • Filed: 03/20/1998
  • Issued: 11/16/1999
  • Est. Priority Date: 02/22/1996
  • Status: Expired due to Fees
First Claim
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1. An apparatus for generating a fault detecting status message at a node in a packet switched network having a status message-based link flow control protocol, the node having a status information generator, comprising:

  • an error code generator coupled to the status information generator for generating an error code corresponding to the status message;

    a link interface coupled to the error code generator and to the status message for sequentially coupling the status message and the error code to the link;

    a fault detector coupled to receive the status message for detecting a fault in the link, wherein the fault detector isolates the fault in response to detecting the fault; and

    an error monitor unit, coupled to the fault detector for analyzing the fault detected.

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