System and method for identifying upper layer protocol message boundaries

CAFC
  • US 7,295,555 B2
  • Filed: 08/29/2002
  • Issued: 11/13/2007
  • Est. Priority Date: 03/08/2002
  • Status: Active Grant
First Claim
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1. A method for locating a framing header in a received Transmission Control Protocol (TCP) frame, the method comprising:

  • locating a backwards-pointing marker; and

    using information stored in the backwards-pointing marker to locate the framing header,wherein locating a backwards-pointing marker comprises subtracting an initial value and performing a modulo operation on a TCP sequence number with respect to a preset marker interval.

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