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High speed polling protocol for multiple node network

  • US 5,416,777 A
  • Filed: 03/11/1993
  • Issued: 05/16/1995
  • Est. Priority Date: 04/10/1991
  • Status: Expired due to Fees
First Claim
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1. A communication network comprising:

  • a plurality of remote nodes, each of said remote nodes comprising node processor means for repeating received messages addressed to others of said nodes;

    a plurality of links which connect said plural nodes in a network of said nodes;

    means for transmitting a polling message addressed to at least plural ones of said remote nodes; and

    wherein each of said remote nodes comprise poll-responsive means responsive upon receipt of said polling message for transmitting a poll-answering message and for relaying said polling message to others of said remote nodes;

    wherein each remote node is connected to plural ones of said links, and wherein said poll-responsive means comprise;

    means for sensing which one of said plural links connected to said node said polling message arrived on; and

    means responsive to said means for sensing for transmitting said poll-answering message on the link on which said polling message arrived while simultaneously transmitting said polling message on another link to which said node is connected;

    wherein each of said remote nodes further comprises;

    means for sensing a poll-answering message received on one of said links from another one of said remote nodes; and

    means responsive to said means for sensing a poll-answering message for transmitting said poll-answering message received from said other one of said remote nodes on all links to which said node is connected.

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