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Comparison of failure dependent protection strategies in optical networks

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Abstract

The criticality of survivable network design and operation increases with increasing transmission speed. Path protection strategies achieve better network utilization compared to link protection strategies; however, the recovery time of connections in path protection strategies are higher than that in link protection strategies. This paper evaluates and compares the performance of three failure dependent strategies: (1) failure dependent path protection; (2) link protection; and (3) Diversion—a variant of the segmented path protection approach. In addition, a framework for evaluating the connection recovery time is also developed. The protection strategies are compared for their recovery time and blocking performance using extensive simluations.

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Authors and Affiliations

  1. Department of Electrical and Computer Engineering, University of Arizona, Tucson, AZ, 85721, USA

    Srinivasan Ramasubramanian

  2. National Instruments, 11500 N Mopac Expwy, Austin, TX, 78759-3504, USA

    Avinash S. Harjani

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  1. Srinivasan Ramasubramanian
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  2. Avinash S. Harjani
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Correspondence to Srinivasan Ramasubramanian.

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Ramasubramanian, S., Harjani, A.S. Comparison of failure dependent protection strategies in optical networks. Photon Netw Commun 12, 195–210 (2006). https://doi.org/10.1007/s11107-006-0028-z

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  • DOI: https://doi.org/10.1007/s11107-006-0028-z

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