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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editor: Keren Bergman
  • Vol. 7, Iss. 4 — Apr. 1, 2008
  • pp: 365–377

Assessment of a constraint-based routing algorithm for translucent 10Gbits/s DWDM networks considering fiber nonlinearities

Stephan Pachnicke, Tom Paschenda, and Peter Krummrich  »View Author Affiliations


Journal of Optical Networking, Vol. 7, Issue 4, pp. 365-377 (2008)
http://dx.doi.org/10.1364/JON.7.000365


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Abstract

We present a constraint-based routing (CBR) approach for real-time operation considering both linear as well as nonlinear signal quality degrading effects in a heterogeneous network infrastructure. Different novel routing algorithms are assessed regarding their blocking probabilities. Furthermore, regenerator pools are placed at a limited number of nodes selected by a heuristic algorithm taking into account the physical impairments. It is shown that CBR together with intelligent regenerator placement can decrease the blocking probability significantly.

© 2008 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.4251) Fiber optics and optical communications : Networks, assignment and routing algorithms

ToC Category:
RESEARCH PAPERS

History
Original Manuscript: December 11, 2007
Revised Manuscript: February 18, 2008
Manuscript Accepted: February 22, 2008
Published: March 31, 2008

Citation
Stephan Pachnicke, Tom Paschenda, and Peter Krummrich, "Assessment of a constraint-based routing algorithm for translucent 10Gbits/s DWDM networks considering fiber nonlinearities," J. Opt. Netw. 7, 365-377 (2008)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jon-7-4-365

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