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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: K. Bergman and O. Gerstel
  • Vol. 5, Iss. 9 — Sep. 1, 2013
  • pp: 968–979

Stochastic Planning of Dependable Virtual Infrastructures Over Optical Datacenter Networks

Markos P. Anastasopoulos, Anna Tzanakaki, and Dimitra Simeonidou  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 5, Issue 9, pp. 968-979 (2013)
http://dx.doi.org/10.1364/JOCN.5.000968


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Abstract

This paper focuses on the design of multiple dependable virtual infrastructures (VIs) over converged optical network and IT resources supporting uncertain elastic cloud services. VI dependability is defined as the VI ability to offer resilience in the case of IT resource failures and security guarantees in terms of isolation of VIs that share a common physical infrastructure. The VI planning optimization objective is to minimize the overall energy consumption. To address these issues together with the time variability and uncertainty of elastic cloud services, a novel VI planning scheme based on stochastic linear programming (SLP) is proposed. To cope with the increasing computational complexity inherently imposed in SLP formulations, the sample average approximation technique and Lagrangian relaxation are used to solve the SLP problem in an efficient manner. Our modeling results illustrate interesting trade-offs between the overall energy consumption of the VIs and the dependability impact on the energy consumption and the utilization of the infrastructure resources.

© 2013 Optical Society of America

OCIS Codes
(060.4254) Fiber optics and optical communications : Networks, combinatorial network design
(060.4256) Fiber optics and optical communications : Networks, network optimization

ToC Category:
Research Papers

History
Original Manuscript: December 4, 2012
Revised Manuscript: May 24, 2013
Manuscript Accepted: June 11, 2013
Published: August 7, 2013

Citation
Markos P. Anastasopoulos, Anna Tzanakaki, and Dimitra Simeonidou, "Stochastic Planning of Dependable Virtual Infrastructures Over Optical Datacenter Networks," J. Opt. Commun. Netw. 5, 968-979 (2013)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-5-9-968

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