基于SLA波长业务的ASON风险规避算法
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引用本文:林 民 山.基于SLA波长业务的ASON风险规避算法[J].计算技术与自动化,2021,(4):59-63
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作者单位
林 民 山 (泉州职业技术大学福建 泉州 362000) 
中文摘要:为使智能光网络(ASON)在受灾时各等级协定(SLA)波长业务重获局向资源,研究了一种风险规避算法。首先通过构建动态损毁数学模型为不同SLA等级波长业务的连接分别设定稳定度阈值条件。然后借鉴启发式算法计算思想为受灾的各等级SLA波长业务分别制定自愈策略。再根据灾后通路资源需求变化设计带宽重置方案以保证灾后SLA业务的生存性。仿真表明,算法在稳健性、失效率、呼损率多指标中均有良好的优势。
中文关键词:智能光网络  业务等级  阈值  局向
 
ASON Risk Aversion Algorithm Based on SLA Wavelength Service
Abstract:A risk aversion algorithm is proposed to recover the local resources for wavelength services of all levels of agreement (SLA) in ASON. Firstly, a dynamic damage mathematical model is constructed to set the stability threshold conditions for the connection of wavelength services with different SLA levels. Then, the self-healing strategies for each level of SLA wavelength service affected by the disaster are formulated by using heuristic algorithm. Then, the bandwidth reset scheme is designed according to the change of channel resource demand after disaster to ensure the survivability of SLA service. Simulation results show that the algorithm has good advantages in robustness, failure rate and call loss rate.
keywords:ASON  sevice level agreement  threshold  routing
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