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Verification of active nodes in an open network

  • US 6,480,473 B1
  • Filed: 12/29/1998
  • Issued: 11/12/2002
  • Est. Priority Date: 12/29/1998
  • Status: Expired due to Fees
First Claim
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1. An information processing system (100;

  • 110;

    150) comprising a plurality of information processing nodes (102, 106;

    112, 118;

    154a-d;

    200), wherein;

    .the nodes are functionally connected to form a network;

    the system enables propagating a polling-token across the network;

    the network is topologically configured as a directed graph for a purpose of propagating the polling-token;

    each respective one of the nodes communicates (314) a polling-token along the network to a respective next one of the nodes;

    each respective one of the nodes has a respective polling-timer (234);

    the system initiates a reconfiguring (334) of the network if a specific one of the polling-timers expires before the polling-token is received.

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