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Network adapter with TCP windowing support

  • US 6,788,704 B1
  • Filed: 08/05/1999
  • Issued: 09/07/2004
  • Est. Priority Date: 08/05/1999
  • Status: Expired due to Term
First Claim
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1. A method for operating a network adapter coupled to a host computer, the adapter having a host-resident driver and separate adapter hardware, the method comprising:

  • the network adapter driver accepting a request from a host-based transmission protocol layer to transmit a block of data to a remote endpoint;

    the network adapter segmenting the block of data into multiple data packets;

    the network adapter hardware transmitting the packets to the remote endpoint; and

    the network adapter interpreting acknowledgment data, relevant to those packets, sent by the remote endpoint to the host-based transmission protocol layer, wherein interpreting comprises applying a filter to received acknowledgment packets, the filter applying a selection criteria to prevent at least some received acknowledgment packets addressed to the host-based transmission protocol layer from being forwarded to the host-based transmission protocol layer.

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