Optical Communication Technology, Volume. 49, Issue 2, 69(2025)
Analysis on the survivability resilience of optical fiber communication transmission network
To enhance the survivability resilience of optical fiber communication transmission network in complex adversarial environments, this paper systematically establishes a physical-logical network interdependence model and, for the first time, proposes a four-dimensional survivability resilience evaluation framework incorporating vulnerability factors, recovery factors, response time, and restoration time. A quantitative evaluation model is established using data normalization and weighted summation methods. Through empirical analysis of a regional optical fiber communication transmission network, the impacts of primary-backup route planning, response time, and recovery time on survivability resilience metrics are investigated. The results indicate that adopting a load-sharing strategy for primary-backup paths increases the survivability resilience score by 16 points, reducing the response time to 2 minutes improves the score by 5.5 points, while extending the recovery time to 60 minutes decreases the score by 5 points.
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YUAN Haibo, ZHOU Zheng, CHEN Yukai, LIN Keling, YAO Daobao, LI Yunlong, LIAO Xingfeng. Analysis on the survivability resilience of optical fiber communication transmission network[J]. Optical Communication Technology, 2025, 49(2): 69
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Received: Jul. 22, 2024
Accepted: Apr. 25, 2025
Published Online: Apr. 25, 2025
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