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Directional integrity enforcement in a bi-directional braided ring network

  • US 7,502,334 B2
  • Filed: 11/19/2004
  • Issued: 03/10/2009
  • Est. Priority Date: 11/19/2003
  • Status: Active Grant
First Claim
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1. A node comprising:

  • an interface to communicatively couple the node to a first channel and a second channel, the first channel supporting communications in a first logical direction and the second channel supporting communications in a second logical direction;

    wherein the first channel communicatively couples the node to a first neighbor node and a first neighbor'"'"'s neighbor node;

    wherein the second channel communicatively couples the node to the first neighbor node and the first neighbor'"'"'s neighbor node; and

    wherein, when the first neighbor node is scheduled to transmit on both the first and second channels and the node receives a first frame of data from the first neighbor node via the first channel, the node;

    forwards the first frame to the first neighbor'"'"'s neighbor along the second channel;

    receives a second frame of data from the first neighbor'"'"'s neighbor via the first channel;

    compares at least a portion of the first frame to at least a portion of the second frame; and

    relays at least one of the first frame and the second frame along the first channel with information indicative of the comparison.

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