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Author (up) Leiva, A.; Machuca, C.M.; Beghelli, A.; Olivares, R. pdf  doi
  Title Migration Cost Analysis for Upgrading WDM Networks Type
  Year 2013 Publication Ieee Communications Magazine Abbreviated Journal IEEE Commun. Mag.  
  Volume 51 Issue 11 Pages 87-93  
  Abstract We present a generic step-by-step methodology for evaluating the total cost of migrating from a capacity-exhausted WDM network to different upgraded alternatives. The presented methodology is the first effort to provide a generic evaluation framework (allowing the evaluation of scenarios with different traffic growth rates, optical technologies, network architectures, and resource allocation algorithms) that considers both capital and operational expenditures of the upgraded alternatives to then identify the lowest-cost option. Previous works have just evaluated specific scenarios or only CapEx or OpEx (not both). As a way of illustration, the proposed methodology was applied to compare the migration cost of two upgrading scenarios. The methodology allowed identifying the lowest-cost alternative, categorizing the key cost factors of CapEx and OpEx, and evaluating its impact on the migration cost. Surprisingly, results for the study case presented show that migrating to an automatically provisioned network does not necessarily lead to cost savings.  
  Address [Leiva, Ariel] Pontificia Univ Catolica Valparaiso, Valparaiso, Chile, Email:;  
  Corporate Author Thesis  
  Publisher Ieee-Inst Electrical Electronics Engineers Inc Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0163-6804 ISBN Medium  
  Area Expedition Conference  
  Notes WOS:000327426500013 Approved  
  Call Number UAI @ eduardo.moreno @ Serial 329  
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