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  • Hirofumi Takahashi thinks this is interesting:

  • Router link information advertises a router’s adjacent neighbors with a triple of (Router ID, Neighbor ID, Cost), where cost is the cost of the link to the neighbor.

  • Stub network information advertises a router’s directly connected stub subnets (subnets with no neighbors) with a triple of (Router ID, Network ID, Cost).

  • From

    Cover of Routing TCP/IP, Volume 1, 2/e


    Router Link Information and Stub Network Infomation