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      • Faculty of Engineering
      • Department of Electrical and Electronics Engineering
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      An efficient virtual topology design and traffic engineering scheme for IP/WDM networks

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      Author
      Şengezer, Namık
      Karasan, Ezhan
      Date
      2007
      Source Title
      Proceedings of the 11th International IFIP TC6 Conference, ONDM 2007
      Print ISSN
      0302-9743
      Publisher
      Springer
      Pages
      319 - 328
      Language
      English
      Type
      Conference Paper
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      Abstract
      We propose an online traffic engineering (TE) scheme for efficient routing of bandwidth guaranteed connections on a Multiprotocol label switching (MPLS)/wavelength division multiplexing (WDM) network with a traffic pattern varying with the time of day. We first consider the problem of designing the WDM virtual topology utilizing multi-hour statistical traffic pattern. After presenting an effective solution to this offline problem, we introduce a Dynamic tRaffic Engineering AlgorithM (DREAM) that makes use of the bandwidth update and rerouting of the label switched paths (LSPs). The performance of DREAM is compared with commonly used online TE schemes and it is shown to be superior in terms of blocked traffic ratio.
      Keywords
      Dynamic routing
      LSP
      MPLS
      Traffic engineering
      Virtual topology design
      Fiber optic networks
      Network protocols
      Online systems
      Problem solving
      Telecommunication traffic
      Bandwidth
      Design
      Topology
      Blocked traffic ratio
      Wavelength division multiplexing
      Permalink
      http://hdl.handle.net/11693/26998
      Published Version (Please cite this version)
      https://doi.org/10.1007/978-3-540-72731-6_35
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      • Department of Electrical and Electronics Engineering 3597
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