Spectrum Allocation Algorithms for Elastic DWDM Networks on Dynamic Operation

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8 Scopus citations

Abstract

In this paper we propose two new spectrum allocation (SA) algorithms called Best Fit (BF) and Bit Rate-Aware (BRA), which are applicable to elastic DWDM optical networks under dynamic operation. In addition, we propose a new performance evaluation metric called spectrum fragmentation index, complementing the traditional analysis based on the blocking probability of connections. It evaluates and compares the performance of the algorithms through simulation. The results show that the proposed algorithm BRA presents the best performance compared with the most algorithms cited in the literature.

Original languageEnglish
Article number6893994
Pages (from-to)1012-1018
Number of pages7
JournalIEEE Latin America Transactions
Volume12
Issue number6
DOIs
StatePublished - 1 Sep 2014

Keywords

  • Elastic Optical Networking
  • Spectrum Allocation Algorithms
  • Spectrum Fragmentation

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