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Computer interconnect system with transmit-abort function

  • US 5,020,020 A
  • Filed: 04/07/1989
  • Issued: 05/28/1991
  • Est. Priority Date: 04/07/1989
  • Status: Expired due to Term
First Claim
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1. A computer interconnect system for packet data transmission between a first node and a second node by an intermediate node, comprising:

  • (a) transmit/receive means at said first node coupled by a path to said second node for transmitting a packet to said second node via said intermediate node or for receiving a packet at said first node, said transmit/receive means including means for aborting transmission of a packet before the packet ends when said intermediate node signals by a flow control signal directed to said first node that said packet can not be successfully forwarded by said intermediate node to said second node;

    (b) packet buffer means for temporarily storing packets of data received from said path or to be transmitted on said path;

    (d) coupling means for transferring packets between said transmit/receive means and said packet buffer means;

    (e) processor means, and data transfer means for transferring a packet from said processor means to said packet buffer means before transmission by said transmit/receive means, and for transferring a packet from said packet buffer means to said processor means after receiving said packet by said transmit/receive means.

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