Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/10397
Title: Recovery escalation with load balancing and backup resources sharing in survivable WDM optical networks
Authors: Guo, L
Wang, X
Cao, J 
Zheng, X
Keywords: Load balancing
Multi-link failures
Recovery escalation
Shared protection
WDM networks
Issue Date: 2009
Source: Photonic network communications, 2009, v. 18, no. 3, p. 393-399 How to cite?
Journal: Photonic Network Communications 
Abstract: In this paper, we propose a new survivable algorithm, called Enhanced Shared-Path Protection (ESPP), to tolerate multi-link failures in WDM optical networks. In ESPP, we consider the load balancing method to reduce the blocking probability for computing the primary paths, and we also use the idea of backup resources sharing to save backup resources for computing the backup paths. In order to tolerate multi-link failures, we perform the recovery escalation mechanism to establish new routes for carrying the traffic affected by the failures. Simulation results show that, compared with the conventional algorithm, ESPP has better resource utilization ratio, lower blocking probability, and higher protection ability.
URI: http://hdl.handle.net/10397/10397
ISSN: 1387-974X
DOI: 10.1007/s11107-009-0201-2
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