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Intelligent network interface system and method for accelerated protocol processing

  • US 7,502,869 B2
  • Filed: 11/28/2003
  • Issued: 03/10/2009
  • Est. Priority Date: 10/14/1997
  • Status: Expired due to Fees
First Claim
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1. A system for communication between by a local host that is connectable by a network to a remote host, the system comprising:

  • a communication processing device (CPD) that is integrated into the local host to connect the network and the local host, said CPD including hardware configured to analyze Internet Protocol (IP) and Transmission Control Protocol (TCP) headers of network packets, anda central processing unit (CPU) running protocol processing instructions in the local host to create a TCP connection between the local host and the remote host, said CPU providing to said CPD a media-access control (MAC) address, an IP address and a TCP port that correspond to said connection, wherein said CPD and said CPU are configured such that a message transferred between the network and the local host is generally processed by said CPD instead of said CPU when said CPD controls said connection and said message corresponds to said connection.

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