Survivable IP Over WDM : An Efficient Mathematical Programming Problem Formulation

  title={Survivable IP Over WDM : An Efficient Mathematical Programming Problem Formulation},
  author={Qi Deng and Galen H. Sasaki},
The problem of laying out a survivable IP network over a WDM network is considered. The links of the IP network are realized by unprotected lightpaths of the WDM network, and the lightpaths must be routed so that the IP network remains connected after any fault. Crochat and Le Boudec [2] introduced the problem for the case of single fiberlink failures, and Modiano and Narula-Tam [5] provided an integer linear programming problem (ILP) formulation. However, the ILP is difficult to solve. An… CONTINUE READING
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