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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: K. Bergman and V. Chan
  • Vol. 2, Iss. 6 — Jun. 1, 2010
  • pp: 319–331

Cross-Layer Approach to Survivable DWDM Network Design

Amir Askarian, Yuxiang Zhai, Suresh Subramaniam, Yvan Pointurier, and Maïté Brandt-Pearce  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 2, Issue 6, pp. 319-331 (2010)
http://dx.doi.org/10.1364/JOCN.2.000319


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Abstract

All-optical networks, in which the electrical regeneration bottlenecks are removed, are seen as the next-generation backbone networks. Any link failure in these high-speed environments, if not dealt with promptly, is catastrophic and can cause the loss of gigabits of data. While techniques to improve the survivability of optical networks are now well-established, such is not the case with all-optical networks. In these environments, the absence of regeneration implies that physical impairments accumulate over long paths. So-called cross-layer techniques mitigate the physical impairments’ impact on the network layer performance. In this work, we apply cross-layer techniques, previously successfully applied to the impairment-constrained routing and wavelength assignment problem [IEEE J. Sel. Areas Commun., vol. 26, p. 32, 2008], to the problem of improving the survivability of all-optical networks facing link failures. To the best of our knowledge, cross-layer survivability of all-optical networks has never been studied before. We present algorithms that improve the network survivability over non-cross-layer algorithms by decreasing both the blocking probability and the vulnerability of the network to failures. Our mechanisms are evaluated with extensive simulations for a realistic regional-sized network. The cross-layer algorithms are computationally intensive, and to alleviate this issue we propose two new compound restoration algorithms as well as two novel quality-of-transmission-aware protection schemes that exhibit low blocking probability and have a moderate vulnerability ratio and time complexity.

© 2010 Optical Society of America

OCIS Codes
(060.1155) Fiber optics and optical communications : All-optical networks
(060.4257) Fiber optics and optical communications : Networks, network survivability
(060.4264) Fiber optics and optical communications : Networks, wavelength assignment
(060.4265) Fiber optics and optical communications : Networks, wavelength routing

ToC Category:
Research Papers

History
Original Manuscript: August 1, 2008
Revised Manuscript: January 26, 2010
Manuscript Accepted: April 2, 2010
Published: May 12, 2010

Citation
Amir Askarian, Yuxiang Zhai, Suresh Subramaniam, Yvan Pointurier, and Maïté Brandt-Pearce, "Cross-Layer Approach to Survivable DWDM Network Design," J. Opt. Commun. Netw. 2, 319-331 (2010)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-2-6-319

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