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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: K. Bergman and O. Gerstel
  • Vol. 6, Iss. 2 — Feb. 1, 2014
  • pp: 114–126

Optimal Route, Spectrum, and Modulation Level Assignment in Split-Spectrum-Enabled Dynamic Elastic Optical Networks

Albert Pagès, Jordi Perelló, Salvatore Spadaro, and Jaume Comellas  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 6, Issue 2, pp. 114-126 (2014)
http://dx.doi.org/10.1364/JOCN.6.000114


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Abstract

The spectrum fragmentation effect in elastic optical networks is one of their main limitations. Multiple techniques have been proposed to address this problem, with the split spectrum approach (SSA) being a very interesting candidate among them. This technique is based on splitting a demand into smaller sub-demands when a blocking situation arises. In split-spectrum-enabled networks, the route, spectrum, and modulation level assignment (RSMLA) problem that appears in elastic optical networks is further complicated due to the signal splitting operation. In this paper we present novel mechanisms to optimally attack this problem; various possible implementations of the SSA are also discussed. We highlight the benefits of the proposed mechanisms through illustrative results and compare the various implementation solutions in terms of average network cost.

© 2014 Optical Society of America

OCIS Codes
(060.1155) Fiber optics and optical communications : All-optical networks
(060.4251) Fiber optics and optical communications : Networks, assignment and routing algorithms
(060.4256) Fiber optics and optical communications : Networks, network optimization

ToC Category:
Research Papers

History
Original Manuscript: June 11, 2013
Revised Manuscript: November 19, 2013
Manuscript Accepted: December 4, 2013
Published: January 15, 2014

Citation
Albert Pagès, Jordi Perelló, Salvatore Spadaro, and Jaume Comellas, "Optimal Route, Spectrum, and Modulation Level Assignment in Split-Spectrum-Enabled Dynamic Elastic Optical Networks," J. Opt. Commun. Netw. 6, 114-126 (2014)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-6-2-114

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