Dynamic Steiner Tree Problem

  title={Dynamic Steiner Tree Problem},
  author={Makoto Imase and Bernard M. Waxman},
  journal={SIAM J. Discrete Math.},
This paper proposes a new problem, which we call the Dynamic Steiner Tree Problem. This is related to multipoint connection routing in communications networks, where the set of nodes to be connected changes over time. This problem can be divided into two cases, one in which rearrangement of existing routes is not allowed and a second in which rearrangement is allowed. In the first case, we show that there is no algorithm whose worst error ratio is less than 1/2 log n where n is the number of… CONTINUE READING
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