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Dynamic next hop routing protocol

  • US 6,421,731 B1
  • Filed: 10/29/1996
  • Issued: 07/16/2002
  • Est. Priority Date: 10/29/1996
  • Status: Expired due to Term
First Claim
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1. In a wireless network having a plurality of nodes which roam about the network, a method for routing data among the nodes whereby at least one node carries out the steps of:

  • maintaining a list of nodes which are reachable through the at least one node based on communication received from other nodes;

    when receiving data for which the node is not the ultimate destination, attempting to forward the data towards the ultimate destination based on the list of nodes;

    transmitting a router solicitation requesting the other nodes to communicate at least a portion of their respective list of nodes to the at least one node in the event there are less than a predetermined number of nodes listed in the at least one node'"'"'s list of nodes, the router solicitation identifying which node or nodes information is requested; and

    upon receiving the router solicitation from the at least one node, the other nodes performing a triggered update which causes the other nodes to transmit a router advertisement to neighboring nodes, the router advertisement only including routing information for nodes whose routing information has changed since a last router advertisement and for those nodes requested in the router solicitation.

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