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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editor: Richard A. Linke
  • Vol. 5, Iss. 11 — Nov. 1, 2006
  • pp: 870–880

Reliable services with fast protection in IP/MPLS over optical networks

Anna Urra, Eusebi Calle, and Jose L. Marzo  »View Author Affiliations


Journal of Optical Networking, Vol. 5, Issue 11, pp. 870-880 (2006)
http://dx.doi.org/10.1364/JON.5.000870


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Abstract

Feature Issue on High Availability in Optical Networks

We define new quality-of-service (QoS) routing schemes with protection in Internet Protocol (IP)/Multiprotocol Label Switching (MPLS) over optical networks. The novelty of the proposed routing schemes is the use of the knowledge of the logical links already protected by the optical layer. The logical topology defined by the optical layer is given and fixed, and we assume that it is partially protected. Thereby, at the IP/MPLS layer, spare capacity is reserved to protect only those links that are unprotected. Moreover, we also characterize the traffic services based on their level of reliability and QoS requirements. In order to guarantee fast protection, segment protection and shared backups are combined, resulting in suitable fault recovery time and resource consumption. A complete set of experiments proves that the proposed schemes are more efficient than the previous ones in terms of resources used to protect the network, failure impact, and blocking probability.

© 2006 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:
High Availability in Optical Networks

History
Original Manuscript: February 2, 2006
Revised Manuscript: August 30, 2006
Manuscript Accepted: September 8, 2006
Published: October 26, 2006

Virtual Issues
High Availability in Optical Networks (2006) Journal of Optical Networking

Citation
Anna Urra, Eusebi Calle, and Jose L. Marzo, "Reliable services with fast protection in IP/MPLS over optical networks," J. Opt. Netw. 5, 870-880 (2006)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jon-5-11-870

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