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Two design problems for the IP/MPLS over WDM networks

Publiceringsår: 2005
Språk: Engelska
Sidor: 241-248
Publikation/Tidskrift/Serie: 5th International Workshop on Design of Reliable Communication Networks
Dokumenttyp: Konferensbidrag
Förlag: IEEE--Institute of Electrical and Electronics Engineers Inc.


Design problems related to the next generation Internet core networks can be difficult to solve in an exact way. Hence, for large networks they may require approximate algorithms. The paper considers two optimization problems for off-line design of robust NGI core networks carrying elastic traffic with a two-layer IP/MPLS over WDM architecture. The problems are NP-hard and are formulated as mixed-integer programs. An efficient approximate iterative method based on separate design of the two layers is proposed for solving the problems; the method is illustrated with numerical examples


  • Electrical Engineering, Electronic Engineering, Information Engineering
  • Communication Systems
  • optimization problems
  • Internet core networks
  • iterative method
  • WDM networks
  • resilience
  • multilayer network design


5th International Workshop on Design of Reliable Communication Networks
  • ISBN: 0-7803-9439-9

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