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      • Department of Electrical and Electronics Engineering
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      Robust path design algorithms for traffic engineering with restoration in MPLS networks

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      Author
      Yetginer, Emre
      Karasan, Ezhan
      Date
      2002-07
      Source Title
      IEEE International Symposium on Computers and Communications
      Publisher
      IEEE
      Pages
      933 - 938
      Language
      English
      Type
      Conference Paper
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      Abstract
      In this paper we study traffic engineering of restorable paths in multiprotocol label switching (MPLS) networks. We consider off-line computation of working and restoration paths with path rerouting as the restoration scheme. First we compute a link-disjoint path set for given set of demands. Using this path set we study four approaches for selecting working and restoration paths, and formulate each method as an integer linear programming (ILP) problem. A traffic uncertainty model is developed in order to compare these approaches based on their robustness with respect to changing traffic patterns. We obtain numerical results and compare these design approaches based on the number of additional demands carried and the distribution of residual capacity over the network. © 2002 IEEE.
      Keywords
      Integer linear programming
      Link-disjoint paths
      Multiprotocol label switching networks
      Off-line computation
      Residual capacity
      Restoration paths
      Traffic engineering
      Traffic uncertainties
      Highway engineering
      Integer programming
      Restoration
      Permalink
      http://hdl.handle.net/11693/27558
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/ISCC.2002.1021784
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