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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: Keren Bergman and Vincent Chan
  • Vol. 1, Iss. 2 — Jul. 1, 2009
  • pp: A160–A169

Protection of Dynamic and Flexible Bandwidth on Demand in Metro Agile All-Optical Ring Networks

Wei Yang, Sofia A. Paredes, Henry Schriemer, and Trevor J. Hall  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 1, Issue 2, pp. A160-A169 (2009)
http://dx.doi.org/10.1364/JOCN.1.00A160


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Abstract

In agile all-optical networks, time division multiplexing in the optical domain is applied on wavelength channels to further divide each wavelength channel into subchannels in order to enable bandwidth virtualization. By introducing intelligent control, agile all-optical networks can serve dynamic and flexible bandwidth on demand. Metro networks with a ring topology are considered, and the protection of critical demands in agile all-optical networks is investigated. A protection scheme for single-duct ring networks is proposed followed by a rearrangeable bandwidth allocation scheme to decrease blocking in critical connection setup. Inefficient network resource utilization and signal degradation are two issues in survivable single-duct ring networks. Therefore, a survivable dual-duct ring infrastructure is presented as a solution for the survivability of this type of network in order to improve the efficiency of network resource utilization and signal quality.

© 2009 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
(060.4257) Fiber optics and optical communications : Networks, network survivability

ToC Category:
Optical Networks for the Future Internet

History
Original Manuscript: October 31, 2008
Revised Manuscript: January 21, 2009
Manuscript Accepted: February 26, 2009
Published: June 30, 2009

Virtual Issues
Optical Networks for the Future Internet (2009) Journal of Optical Networking

Citation
Wei Yang, Sofia A. Paredes, Henry Schriemer, and Trevor J. Hall, "Protection of Dynamic and Flexible Bandwidth on Demand in Metro Agile All-Optical Ring Networks," J. Opt. Commun. Netw. 1, A160-A169 (2009)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-1-2-A160


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