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Method and apparatus to reduce cumulative effect of dynamic metric advertisement in smart grid/sensor networks

  • US 8,743,866 B2
  • Filed: 11/22/2010
  • Issued: 06/03/2014
  • Est. Priority Date: 08/16/2010
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • receiving an advertisement at a node in a network, the advertisement comprising a metric value and a gain factor, wherein the metric value indicates a path cost to a root node of the network, and wherein the metric value is advertised only when it exceeds a threshold;

    determining at the node a local link cost and a local gain factor for each link of the node;

    computing a resulting path cost from the node to the root node and a cumulative gain factor based on the metric value, the gain factor, the local link cost, and the local gain factor; and

    advertising the resulting path cost and the cumulative gain factor at the node to another node in the network.

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