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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. 11 — Nov. 1, 2013
  • pp: 1195–1201

Asymmetric Optical Connections for Improved Network Efficiency

Sheryl L. Woodward, Weiyi Zhang, Balagangadhar G. Bathula, Gagan Choudhury, Rakesh K. Sinha, Mark D. Feuer, John Strand, and Angela L. Chiu  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 5, Issue 11, pp. 1195-1201 (2013)
http://dx.doi.org/10.1364/JOCN.5.001195


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Abstract

Links in an IP network are unidirectional but currently are routed over bidirectional optical circuits with identical AZ and ZA capacities. Potentially there could be savings if the two directions of an optical circuit could be treated independently. In this study of possible savings, we have quantified the asymmetry of traffic on a current large IP backbone. A theoretical greenfield network with similarly asymmetric traffic is modeled, and it is shown that the use of unidirectional circuits to satisfy traffic demands provides significant equipment savings. We consider this study of the benefits of this approach to be a first step in deciding whether it makes economic sense to tackle the hurdles that would face such a major change in network design and operations.

© 2013 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4250) Fiber optics and optical communications : Networks

ToC Category:
Research Papers

History
Original Manuscript: June 20, 2013
Revised Manuscript: August 19, 2013
Manuscript Accepted: August 23, 2013
Published: October 22, 2013

Citation
Sheryl L. Woodward, Weiyi Zhang, Balagangadhar G. Bathula, Gagan Choudhury, Rakesh K. Sinha, Mark D. Feuer, John Strand, and Angela L. Chiu, "Asymmetric Optical Connections for Improved Network Efficiency," J. Opt. Commun. Netw. 5, 1195-1201 (2013)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-5-11-1195

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