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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. 7 — Jul. 1, 2010
  • pp: 389–399

Intelligent p-Cycle Protection for Dynamic Multicast Sessions in WDM Networks

Taiming Feng, Lu Ruan, and Wensheng Zhang  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 2, Issue 7, pp. 389-399 (2010)
http://dx.doi.org/10.1364/JOCN.2.000389


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Abstract

In WDM networks, it is important to maintain the survivability of communication sessions when link failure occurs due to the high bandwidth provided by a fiber link. Link failures have more serious impact on multicast sessions than on unicast sessions since a link used by a multicast session may carry traffic to multiple destinations. Thus, it is more critical to protect multicast sessions against single link failures. Researchers have proposed various protection schemes for multicast sessions, including tree-based, path-based, and segment-based schemes. Tree-based schemes suffer excessive use of network capacity, whereas path-based and segment-based schemes require long restoration times. In this paper, we propose a new p -cycle-based dynamic multicast protection scheme named I p C, which achieves both fast restoration and high capacity efficiency. The main feature of I p C is that it computes high efficiency p -cycles on demand to protect dynamic multicast sessions as they arrive. Extensive simulations have been conducted to evaluate the proposed I p C scheme, and the results show that it outperforms an existing p -cycle-based scheme.

© 2010 Optical Society of America

OCIS Codes
(060.4255) Fiber optics and optical communications : Networks, multicast
(060.4257) Fiber optics and optical communications : Networks, network survivability

ToC Category:
Research Papers

History
Original Manuscript: April 3, 2008
Revised Manuscript: May 7, 2010
Manuscript Accepted: May 11, 2010
Published: June 9, 2010

Citation
Taiming Feng, Lu Ruan, and Wensheng Zhang, "Intelligent p-Cycle Protection for Dynamic Multicast Sessions in WDM Networks," J. Opt. Commun. Netw. 2, 389-399 (2010)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-2-7-389

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