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Optimal virtual topology design using bus-label switched paths

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Author

  • Yannick Brehon
  • Daniel Kofman
  • Michal Pioro
  • Madiagne Diallo

Summary, in English

Despite an observable trend in reducing the number of layers in core and metropolitan area networks, still the optimal design of multi-layer networks (like IP over WDM) remains a important issue as a means to reduce CAPEX and OPEX. In multi-layer networks, usually a connection oriented transport network (like WDM) is used to deploy a layout for optimal transport of traffic. In today's networks, the layouts are based on point to point LSPs. We will show here that by using a novel concept named bus-LSPs, we can achieve some significant savings for the operator, both in terms of CAPEX and OPEX. We also introduce a heuristic algorithm to design optimal layouts, a provide a quantitative evaluation.

Publishing year

2007

Language

English

Pages

1001-1010

Publication/Series

IEEE Journal on Selected Areas in Communications

Volume

25

Issue

5

Document type

Journal article

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • layout
  • virtual topology design
  • bus-LSP

Status

Published

ISBN/ISSN/Other

  • ISSN: 1558-0008