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Parsing a packet header

  • US 8,782,199 B2
  • Filed: 10/18/2002
  • Issued: 07/15/2014
  • Est. Priority Date: 10/14/1997
  • Status: Expired due to Fees
First Claim
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1. A method for use with a computer system, comprising:

  • receiving, with a network controller for a host computer, a packet that includes a header, the header indicating a first characteristic that is associated with a transport layer of a multiple layer protocol stack and a second characteristic that is associated with an application layer of the stack;

    parsing the packet with the network controller to extract said first and second characteristics, wherein said first characteristic includes an identification of a Transmission Control Protocol (TCP) connection, and said second characteristic includes a length of application data being received; and

    passing a handle from the network controller to the host computer to indicate said first and second characteristics, wherein the handle associates the packet with a flow that corresponds to the TCP connection, and indicates an amount of said application data to be stored in the host computer.

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