Risk-aware Optical Network Service Restoration Algorithm under Persistent Disasters

Xuerang GUO; Yike JIANG; Yaping LI; Qiang ZHANG; Meng LIAN; Yongli ZHAO

doi:10.13756/j.gtxyj.2024.220069

Study On Optical Communications, Volume. 50, Issue 2, 22006901(2024)

Risk-aware Optical Network Service Restoration Algorithm under Persistent Disasters

Xuerang GUO^1、*, Yike JIANG², Yaping LI³, Qiang ZHANG¹, Meng LIAN², and Yongli ZHAO²

Author Affiliations

¹Electric Power Research Institude, State Grid Xinjiang Electric Co., Ltd., Wulumuqi 830000, China

²State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China

³Dispatching and Control Center of Electric Power Co., Ltd., State Grid Xinjiang Electric Co., Ltd., Wulumuqi 830000, China

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Figures & Tables(8)

Fig. 1. The topology of the simulation

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Fig. 2. The secondary failure rate varies with the load

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Fig. 3. The initial service recovery rate varies with the load

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Fig. 4. Restores the average importance of services with load

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Fig. 5. Average service resource usage with load

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Table 1. Link risk change model
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Table 1. Link risk change model
i 链路损伤程度损伤变化概率P
0 链路无损伤 P_0→j
1 链路轻微损伤 P_1→j
2 链路严重损伤 P_2→j
3 链路损伤十分严重 P_3→j
4 链路中断 1

Table 2. Service importance model
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Table 2. Service importance model
m 含义
1 业务比较重要
2 业务非常重要
3 业务强烈重要
4 业务极端重要

Table 3. The modulation format varies with the transmission distance
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Table 3. The modulation format varies with the transmission distance
传输距离/km 调制格式
<625 16QAM
625~1 250 8QAM
1 250~2 500 BPSK
>2 500 ASK

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Xuerang GUO, Yike JIANG, Yaping LI, Qiang ZHANG, Meng LIAN, Yongli ZHAO. Risk-aware Optical Network Service Restoration Algorithm under Persistent Disasters[J]. Study On Optical Communications, 2024, 50(2): 22006901

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