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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 8 — Apr. 18, 2005
  • pp: 3087–3095

Dynamic segment shared protection algorithm for reliable wavelength-division-multiplexing mesh networks

Jin Cao, Lei Guo, Hongfang Yu, and Lemin Li  »View Author Affiliations

Optics Express, Vol. 13, Issue 8, pp. 3087-3095 (2005)

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With the maturation of the technology of Wavelength-Division-Multiplexing (WDM) in optical networks, the survivable design has become a key issue. In this paper, we propose a Segment Shared Protection Algorithm (SSPA), which is based on the reliability of the networks and the different levels of the fault tolerance requested by the users, to protect the single-link failure in WDM optical networks. The main idea of the SSPA is to provide a backup path for a segment, which is divided in accordance with the policy of the Differentiated Reliability (DiR), on the primary path of each connection request. Under the guarantee of the blocking probability and the connection’s reliability, the SSPA has higher resource utilization ratio and faster recovery time than the previous algorithm PSPA-DiR. We evaluate the effectiveness of the SSPA and the results are found to be promising.

© 2005 Optical Society of America

OCIS Codes
(060.4250) Fiber optics and optical communications : Networks
(060.4510) Fiber optics and optical communications : Optical communications

ToC Category:
Research Papers

Original Manuscript: February 28, 2005
Revised Manuscript: April 6, 2005
Published: April 18, 2005

Jin Cao, Lei Guo, Hongfang Yu, and Lemin Li, "Dynamic segment shared protection algorithm for reliable wavelength-division-multiplexing mesh networks," Opt. Express 13, 3087-3095 (2005)

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  1. S. Ramamurthy, L.Sahasrabuddhe, B. Mukherjee, �??Survivable WDM mesh networks,�?? J. Lightwave Technol. 21, 870-883 (2003). [CrossRef]
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  10. Pin-Han Ho, Hussein T. Mouftah, �??A Novel Survivable Routing Algorithm for Shared Segment Protection in Mesh WDM Networks With Partial Wavelength Conversion,�?? IEEE JSAC. 22, 1548-1560 (2004).
  11. L. Guo, H. Yu, and L. Li, �??Path protection algorithm with trade-off ability for survivable wavelength-division-multiplexing mesh networks,�?? Opt. Express. 12, 5834-5839 (2004), <a href=" http://www.opticsexpress.org/abstract.cfm?URI=OPEX-12-24-5834">http://www.opticsexpress.org/abstract.cfm?URI=OPEX-12-24-5834</a> [CrossRef] [PubMed]
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