EONs中一种混合路径专有保护算法
为了降低带宽阻塞率,节约频谱资源,在动态业务到达的弹性光网络(EONs)场景下,不同业务请求的路径状况可能不同,因此不能确定单路径专有保护与带宽分割多路径专有保护的优劣。文章结合单路径专有保护和带宽分割多路径专有保护提出了一种混合路径专有保护(HDPP)算法。该算法利用路径的单位频谱效率和路径跳数计算了<italic>k</italic>条链路不相关候选路径,并提出了一种考虑单位频隙最高频谱效率和路径跳数以及路径上最大可用频谱信息的多路径频谱分配(MPSA)算法,最后,HDPP算法在多种生存性方案中选择出最佳方案。仿真结果表明,与对比算法相比,所提算法在阻塞率和频谱利用...
| Published in: | Guangtongxin yanjiu |
|---|---|
| Main Authors: | 张盛峰, 袁强, 陈会丹, 黄胜 |
| Format: | Article |
| Language: | Chinese |
| Published: |
《光通信研究》编辑部
2021-01-01
|
| Subjects: | |
| Online Access: | http://www.gtxyj.com.cn/thesisDetails#10.13756/j.gtxyj.2021.02.004 |
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