Deep trace memory system for a protocol analyzer

  • US 6,393,587 B2
  • Filed: 05/03/2001
  • Issued: 05/21/2002
  • Est. Priority Date: 11/17/1997
  • Status: Expired due to Term
First Claim
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1. A protocol analyzer that stores traces captured from high-speed communication interface having a transfer rate of at least 1 gigabit per second, the protocol analyzer comprising:

  • an interface port that provides a connection to the communication interface;

    a trace buffer memory;

    logic circuitry that controls selective write operations of traces from the interface port to the trace buffer memory; and

    a hardware search engine that searches the entire contents of the trace buffer memory for a specified data pattern in less than 10 seconds.

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