Planning of dynamic virtual optical cloud infrastructures: The GEYSERS approach

A. Tzanakaki, M. Anastasopoulos, K. Georgakilas, G. Landi, G. Bernini, N. Ciulli, J.F. Riera, E. Escalona, J.A. Garcia-Espin, X. Hesselbach, S. Figuerola, S. Peng, R. Nejabati, D. Simeonidou, D. Parniewicz, B. Belter, J.R. Martinez

Research output: Contribution to journalArticle (Academic Journal)peer-review

14 Citations (Scopus)

Abstract

This article focuses on planning and replanning of virtual infrastructures over optical cloud infrastructures comprising integrated optical network and IT resources. This concept has been developed in the context of the European project GEYSERS. GEYSERS has proposed a novel multi-layer architecture, described in detail, that employs optical networking capable of provisioning optical network and IT resources for end-to-end cloud service delivery. The procedures required to perform virtual infrastructure planning and replanning at the different architecture layers are also detailed. An optimization scheme suitable to dynamically plan and replan virtual infrastructures is presented and compared to conventional approaches, and the benefits of dynamic replanning are discussed and quantified. The final project demonstration, focusing on planning, replanning, and dynamically establishing virtual infrastructures over the physical resources, is presented, while some emulation results are provided to further evaluate the performance of the GEYSERS solution. © 2014 IEEE.
Original languageEnglish
Pages (from-to)26-34
Number of pages9
JournalIEEE Communications Magazine
Volume52
Issue number1
Early online date16 Jan 2014
DOIs
Publication statusPublished - Jan 2014

Keywords

  • Cloud infrastructures
  • Conventional approach
  • Integrated optical networks
  • Multi-layer architectures
  • Optical networking
  • Optimization scheme
  • Virtual Infrastructure Planning
  • Virtual infrastructures
  • Information technology
  • Geysers

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